CN104255773A - Pesticide composition containing dinotefuran and fluazinam - Google Patents
Pesticide composition containing dinotefuran and fluazinam Download PDFInfo
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- CN104255773A CN104255773A CN201410544537.4A CN201410544537A CN104255773A CN 104255773 A CN104255773 A CN 104255773A CN 201410544537 A CN201410544537 A CN 201410544537A CN 104255773 A CN104255773 A CN 104255773A
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Abstract
The invention discloses pesticide composition containing dinotefuran and fluazinam. The pesticide composition comprises active ingredients in parts by weight as follows: 1-30 parts of dinotefuran and 1-60 parts of fluazinam. According to the pesticide composition containing dinotefuran and fluazinam, pest resistance to the pesticide can be eliminated and delayed, the control effect is superior to a single agent, the pesticide composition is resistant to rain wash, good in fast-acting property and long in lasting period, the use times are reduced, time saving and labor saving are achieved, various pests and diseases can be controlled simultaneously, and the pesticide cost is reduced.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of composition pesticide containing MTI-446 and fluazinam.
Background technology
Due to the single use of agricultural chemicals and medication not science, unreasonable, increase the weight of the resistance of insect to the agricultural chemicals of current use rapidly, make high cost, long-time some agricultural chemicals new components dropping into development shorten service life, access times are many simultaneously, also increased the weight of environmental pollution and increased drug cost.Citrus psylla is unique medium that yellow twig is propagated, and when having the tender tip the same year, can occur in 1 year 11 ~ 14 generations, and field generations is overlapping, and single wood louse passes disease rate up to 70-80%, and adult can fly, and difficulty of prevention and cure is high.Meanwhile, at each growth period of oranges and tangerines, except wood louse, occur, so this type of damage by disease and insect problem in the urgent need to address while also having the disease such as the insect pests such as two spotted spider mite, blister mite, leaf miner, aleyrodid and resin disease (rubber is sick), anthracnose.At present for the control of insect agriculturally easily producing resistance, what main way was exploitation and existing kind without between the new composition of cross resistance or existing pesticide species is composite, the former is because required development cost is high, the cycle is long, and current development rate is far away less than the speed that pest resistance to insecticide produces.
MTI-446, english common name dinotefuran, chemical name: (RS)-1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine, it is a kind of insecticide in anabasine, this medical instrument has the features such as tag, strong, the quick-acting height of absorption in stomach toxicity and root, long 3-4 week lasting period (theoretical lasting effect 43 days), insecticidal spectrum are wide, and have excellent preventive effect to sucking insect, and namely show very high insecticidal activity at very low dosage.Be mainly used in the aphid in the various crop such as control wheat, paddy rice, cotton, vegetables, fruit tree, tobacco leaf, leafhopper, plant hopper, thrips, aleyrodid and resistant strain thereof, have efficiently coleoptera, diptera and Lepidoptera, diptera, beetle order and total wing order insect simultaneously, and to blattaria, have efficiently from the sanitary insect pest such as ant, housefly.
Fluazinam; english common name fluazinam; the chloro-N-of chemical name 3-(3-chloro-5-trifluoromethyl-2-pyridine radicals)-α, α, α-three fluoro-2; 6-dinitro-ρ-toluidines; belonging to 2,6-dinitroanilines, is prevention & protection bactericide; prevention in advance can guarantee that fruit, quality of vegetable are good, is mainly used in the disease such as shot hole, anthracnose, scab on the downy mildew on control vegetables, gray mold, anthracnose and fruit tree.
Above-mentioned insect pest all creates certain pesticide resistance to MTI-446 or fluazinam, is used alone and does not reach desirable control efficiency.At present, we not yet find the Patents and bibliographical information that MTI-446 and fluazinam are combinationally used.
Summary of the invention
Object of the present invention solves the problems of the technologies described above, a kind of composition pesticide containing MTI-446 and fluazinam is provided, can overcome and delay pest resistance to insecticide, preventive effect has been better than single dose, resistance of rainwater washing against, quick-acting are good, the lasting period is long, reduce access times, save time, laborsaving, various pests and disease can be prevented and treated simultaneously, reduce drug cost.
For realizing above-mentioned object, technical scheme of the present invention is:
Contain a composition pesticide for MTI-446 and fluazinam, comprise active component, described active component is MTI-446 and fluazinam, counts by weight:
MTI-446 1-30 part;
Fluazinam 1-60 part.
This composition pesticide also comprises auxiliary agent, described auxiliary agent comprise in dispersant, emulsifier, antifreezing agent, thickener, defoamer, solvent, wetting agent, disintegrant and filler one or more.
The parts by weight that the above auxiliary agent adds are:
The above emulsifier is one or more in calcium dodecyl benzene sulfonate, alkylpolyoxyethylene, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, thermally coupled distillation columns, aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether, dodecyl polyoxyethylene sulfonic acid sodium salt and phenethyl phenol polyethenoxy ether;
The above solvent is one or more in dimethylbenzene, diesel oil, toluene, cyclohexanol, methyl alcohol, soybean oil, turpentine oil, methyl oleate, solvent naphtha, dimethyl formamide, ethanol, N-pyrrolidones, ethyl acetate and aqueous solvent;
The above wetting agent is lauryl sodium sulfate, calcium dodecyl benzene sulfonate, methyl naphthalene sulfonate formaldehyde condensate, pull open in powder, Negel and spaonin powder one or more;
The above dispersant is one or more in sodium lignin sulfonate, calcium lignosulfonate, alkylphenol polyoxyethylene formaldehyde condensation products sodium sulphate, alkyl benzene calcium sulfonate, alkylphenol polyoxyethylene, polycarboxylic acids sodium, aliphatic amine polyoxyethylene ether and glycerine fatty acid fat acid ester polyoxyethylene ether;
The above antifreezing agent is one or more in ethylene glycol, propane diols, glycerine and urea;
The above thickener is one or more in xanthans, Magnesiumaluminumsilicate, CMC and polyvinyl alcohol;
The above defoamer is one or more in silicone oil, organic silicone and polypropylene glycerol aether;
The above disintegrant is one or more in bentonite, ammonium sulfate, sodium bicarbonate, aluminium chloride and succinic acid;
The above filler is one or more in white carbon, kaolin, diatomite, precipitated calcium carbonate and starch.
The formulation of composition pesticide of the present invention is suspending agent, aqueous emulsion, water dispersible granules, microemulsion or wetting powder.
The preparation method containing the pesticide sterilizing Pesticidal combination of MTI-446 and fluazinam as above, it is mixed by weight active component and auxiliary agent, can obtain by the conventional machining mode of its formulation.
The purposes containing the pesticide sterilizing Pesticidal combination of MTI-446 and fluazinam as above, it is the application in control mandarin tree wood louse, two spotted spider mite, blister mite, resin disease, anthracnose.
Component of the present invention is commercially available prod.
Compared with prior art, the beneficial effect that the present invention has is:
1. MTI-446 of the present invention has the features such as tag, strong, the quick-acting height of absorption in stomach toxicity and root, long 3-4 week lasting period (theoretical lasting effect 43 days), insecticidal spectrum are wide, and have excellent preventive effect to sucking insect, and namely show very high insecticidal activity at very low dosage.Be mainly used in the aphid in the various crop such as control wheat, paddy rice, cotton, vegetables, fruit tree, tobacco leaf, leafhopper, plant hopper, thrips, aleyrodid and resistant strain thereof, have efficiently coleoptera, diptera and Lepidoptera, diptera, beetle order and total wing order insect simultaneously.Fluazinam effect is better than conventional protecting bactericide.Non-resistant, the lasting period is long, and reduce times for spraying, to save time, laborsaving, with other medicaments without cross resistance, resistance of rainwater washing against, to people, animal, natural enemy and Environmental security.Fluazinam itself is defined as bactericide, all has good control efficiency to disease a lot of on fruit and vegetables.But we are through overtesting, find citrus red mite, blister mite also has good preventive effect.
2. the present composition is the combination of desinsection and bactericide, MTI-446 and fluazinam composite with mass ratio 1:60 ~ 30:1, higher synergistic effect can be produced, overcome and delayed pest resistance to insecticide, preventive effect is better than single dose, resistance of rainwater washing against, quick-acting are good, the lasting period is long, reduce access times, save time, laborsaving, various pests and disease can be prevented and treated simultaneously, reduce drug cost.The present invention is to insect agriculturally, especially go up and have obvious synergistic effect to mandarin tree wood louse, two spotted spider mite, blister mite, resin disease (rubber is sick), anthracnose, to other insect on the crop such as paddy rice, vegetables, as the diseases such as leafhopper, thrips, plant hopper, downy mildew, gray mold also have good control efficiency.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to the scope that embodiment represents.
Embodiment 1:50% fluazinam MTI-446 suspending agent
Embodiment 2:2% fluazinam MTI-446 suspending agent
Embodiment 3:60% fluazinam MTI-446 suspending agent
Embodiment 4:40% fluazinam MTI-446 suspending agent
Embodiment 5:30% fluazinam MTI-446 suspending agent
The preparation method of embodiment 1-5 is: after taking raw material according to the proportioning of each embodiment, by raw material, solvent stirring and dissolving, adds the auxiliary agent such as emulsification, dispersion and carries out high speed shear emulsification, makes corresponding MTI-446 fluazinam suspending agent.
Embodiment 6:40% fluazinam MTI-446 aqueous emulsion
Embodiment 7:2% fluazinam MTI-446 aqueous emulsion
Embodiment 8:60% fluazinam MTI-446 aqueous emulsion
Embodiment 9:40% fluazinam MTI-446 aqueous emulsion
Embodiment 10:30% fluazinam MTI-446 aqueous emulsion
The preparation method of embodiment 6-10 is: after taking raw material according to the proportioning of each embodiment, by raw material, solvent stirring and dissolving, adds emulsifier and carries out high speed shear emulsification, makes corresponding fluazinam MTI-446 aqueous emulsion.
Embodiment 11:25% fluazinam MTI-446 water dispersible granules
Embodiment 12:2% fluazinam MTI-446 water dispersible granules
Embodiment 13:55% fluazinam MTI-446 water dispersible granules
Embodiment 14:65% fluazinam MTI-446 water dispersible granules
Embodiment 15:40% fluazinam MTI-446 water dispersible granules
The preparation method of embodiment 11-15 is: after taking raw material according to the proportioning of each embodiment, by raw material co-grinding, makes corresponding fluazinam MTI-446 water dispersible granules through granulation, drying.
Embodiment 16:30% fluazinam MTI-446 wetting powder
Embodiment 17:2% fluazinam MTI-446 wetting powder
Embodiment 18:60% fluazinam MTI-446 wetting powder
Embodiment 19:65% fluazinam MTI-446 wetting powder
Embodiment 20:40% fluazinam MTI-446 wetting powder
The preparation method of embodiment 16-20 is: after taking raw material according to the proportioning of each embodiment, raw material is mixed ultramicro grinding, makes corresponding fluazinam MTI-446 wetting powder.
Embodiment 21:40% fluazinam dinotefuran micron-emulsion
Embodiment 22:10% fluazinam dinotefuran micron-emulsion
Embodiment 23:60% fluazinam dinotefuran micron-emulsion
Embodiment 24:40% fluazinam dinotefuran micron-emulsion
Embodiment 25:30% fluazinam dinotefuran micron-emulsion
The preparation method of embodiment 20-25 is: after taking raw material according to the proportioning of each embodiment, by raw material, solvent stirring and dissolving, adds emulsifier, water carries out high speed shear, makes corresponding fluazinam dinotefuran micron-emulsion.
Application Example:
In order to detect the insecticidal effect of composition of the present invention, now enumerate following experimental data:
With the fountain height after the dilution of the medicament of following table 1 to table 10 all by the conventional spray requirement of this area, namely the positive back side of leaf, fruit surface are sprayed to formation drop-wise and flow down.
Application Example 5
The 30% fluazinam MTI-446 suspending agent that the embodiment of the present invention 5 is obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, spray-on process, double dilution method is adopted during preparating liquid, evenly spray in oranges and tangerines branch leaf and fruit, first time dispenser is carried out at the sick their early stage of resin, execute 4 times altogether, within after last medicine 20 days, investigate, investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, 2 strain trees are investigated in every community, every strain is by east, south, west, north, in the sampling of five points, often some investigation two branches, each branch investigation top down 4 leaves and whole fruit, total leaf (really) number of record investigation, sick leaf (really) number and sick level, calculate disease index and preventive effect.
Application Example 5 result of the test is as table 1:
Table 130% fluazinam MTI-446 suspending agent control oranges and tangerines resin disease (rubber is sick) test of pesticide effectiveness result
Table 1 result of the test shows, start to execute first time medicine at oranges and tangerines resin disease (rubber is sick) initial stage of origination, thank spend after setting middle and later periods, young fruit period, fruit growth period respectively execute once again, 30% fluazinam MTI-446 suspending agent control oranges and tangerines resin disease (rubber is sick), by 1500 times of dilution sprayings, have good preventive effect.
Application Example 7
The 2% fluazinam MTI-446 aqueous emulsion embodiment of the present invention 7 obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in oranges and tangerines leaf tow sides, contain at orange caterpillar and send out phase dispenser 1 time, insect population radix is investigated shortly before dispenser, after dispenser, each investigation in 1 day, 3 days, 7 days is once survived borer population, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, and 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 orientation investigation 5 killed tips, the aphid number of every tip investigation top tip 5 leaves, calculating relative control effect.
Application Example 7 result of the test:
Table 22% fluazinam MTI-446 aqueous emulsion control orange caterpillar test of pesticide effectiveness result
Table 2 result of the test shows, contains send out phase dispenser mandarin tree aphid, and 2% fluazinam MTI-446 aqueous emulsion, by above usage amount spray medicine, has good preventive effect to control orange caterpillar.
Application Example 15
The 40% fluazinam MTI-446 water dispersible granules embodiment of the present invention 15 obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dissolved dilution by process dosage and be made into liquid, the whole strain of mandarin tree is sprayed, take out at orange young and send out phase dispenser 1 time, insect population radix is investigated shortly before dispenser, after dispenser, each investigation in 5 days, 10 days, 15 days is once survived borer population, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method employing is determined strain and is determined tip investigation, 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 different azimuth choose 2 and have the worm tip to mark, the every tip of investigation records is lived borer population.District compares with blank, calculates relative control effect.
Application Example 15 result of the test:
Table 340% fluazinam MTI-446 water dispersible granules prevents and treats diaphorina citri test of pesticide effectiveness result
Table 3 result of the test shows, in mandarin tree wood louse harm phase dispenser, 40% fluazinam MTI-446 water dispersible granules, when above usage amount, has good preventive effect to preventing and treating diaphorina citri.
The 40% fluazinam MTI-446 water dispersible granules embodiment of the present invention 15 obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in oranges and tangerines leaf tow sides, contain at orange caterpillar and send out phase dispenser 1 time, insect population radix is investigated shortly before dispenser, after dispenser, each investigation in 1 day, 3 days, 7 days is once survived borer population, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, and 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 orientation investigation 5 killed tips, the aphid number of every tip investigation top tip 5 leaves, calculating relative control effect.
Table 440% fluazinam MTI-446 water dispersible granules control orange caterpillar test of pesticide effectiveness result
Table 4 result of the test shows, contains send out phase dispenser mandarin tree aphid, and 40% fluazinam MTI-446 water dispersible granules, when above usage amount, has good preventive effect to control orange caterpillar.
Application Example 16
The 30% fluazinam MTI-446 wetting powder that the embodiment of the present invention 16 is obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in mandarin tree blade, branch is to moistening, oranges and tangerines blister mite peak of occurrence dispenser in early stage 1 time, investigation mite quantity alive shortly before dispenser, after dispenser 1 day, 7 days, 14 days, 21 days, each investigation in 28 days is once fixed a point the mite number remaining alive of leaf, totally 5 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method is that 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 azimuth mark side shoots, the mite quantity alive of investigation 20 new leaf backs, directly observes the mite number in each visual field with 10 times of folding hand held magnascopes.District compares with blank, calculates relative control effect.
Application Example 16 result of the test:
Table 530% fluazinam MTI-446 wetting powder control oranges and tangerines blister mite test of pesticide effectiveness result
Table 5 result of the test shows, in the dispenser in early stage of mandarin tree blister mite peak of occurrence, 30% fluazinam MTI-446, when above usage amount, has good preventive effect to wetting powder control oranges and tangerines blister mite.
The 30% fluazinam MTI-446 wetting powder that the embodiment of the present invention 16 is obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in mandarin tree blade tow sides, limb is to moistening, contain citrus red mite and send out initial stage dispenser 1 time, investigation mite quantity alive shortly before dispenser, after dispenser 15 days, 20 days, each investigation in 30 days is once fixed a point the remaining two spotted spider mite quantity of leaf, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method is that 2 mandarin trees are investigated in every community, tree crown by east, south, west, north, in 5 orientation respectively mark a treetop branch, investigate 5 blades that every tip pushes up most, investigate remaining two spotted spider mite quantity on 25 blades altogether, directly observe the mite number in each visual field with 10 times of folding hand held magnascopes.District compares with blank, calculates relative control effect.
Table 630% fluazinam MTI-446 wetting powder control citrus red mite test of pesticide effectiveness result
Table 6 result of the test shows, contains send out initial stage dispenser citrus red mite, and 30% fluazinam MTI-446 wetting powder, when above usage amount, has good preventive effect to control citrus red mite.
Application Example 22
The 10% fluazinam dinotefuran micron-emulsion embodiment of the present invention 22 obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dissolved dilution by process dosage and be made into liquid, the whole strain of mandarin tree is sprayed, take out at orange young and send out phase dispenser 1 time, insect population radix is investigated shortly before dispenser, after dispenser, each investigation in 5 days, 10 days, 15 days is once survived borer population, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method employing is determined strain and is determined tip investigation, 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 different azimuth choose 2 and have the worm tip to mark, the every tip of investigation records is lived borer population.District compares with blank, calculates relative control effect.
Application Example 22 result of the test:
Table 710% fluazinam dinotefuran micron-emulsion prevents and treats diaphorina citri test of pesticide effectiveness result
Table 7 result of the test shows, to cause harm phase dispenser mandarin tree wood louse, 10% fluazinam dinotefuran micron-emulsion, when above usage amount, has good preventive effect to preventing and treating diaphorina citri.
Application Example 6
The 40% fluazinam MTI-446 aqueous emulsion embodiment of the present invention 6 obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, adopt spray-on process, double dilution method is adopted during preparating liquid, evenly spray in oranges and tangerines branch leaf and fruit, carry out first time dispenser at the sick their early stage of resin, execute 4 times altogether.Within after last medicine 20 days, investigate.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, 2 strain trees are investigated in every community, every strain by east, south, west, north, in the sampling of five points, often some investigation two branches, each branch investigation top down 4 leaves and whole fruit, several, sick leaf (really) numbers of total leaf (really) of record investigation and sick level, calculate disease index and preventive effect.
Application Example 6 result of the test:
Table 840% fluazinam MTI-446 aqueous emulsion oranges and tangerines resin disease (rubber is sick) test of pesticide effectiveness result
Table 8 result of the test shows, start to execute first time medicine at oranges and tangerines resin disease (rubber is sick) initial stage of origination, thank spend after setting middle and later periods, young fruit period, fruit growth period respectively execute once again, 40% fluazinam MTI-446 aqueous emulsion, when above usage amount is tested, has good preventive effect to control oranges and tangerines resin disease (rubber is sick).
The 40% fluazinam MTI-446 aqueous emulsion that the embodiment of the present invention 6 is obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, adopt spray-on process, double dilution method is adopted during preparating liquid, evenly spray in oranges and tangerines branch leaf and fruit, first time dispenser is carried out at citrus anthracnose their early stage or premorbid, execute 3 times altogether, 10 days, dispenser interval, within after last medicine 15 days, carry out single-round survey, investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community.
Blade disease survey method: 2 strains trees are investigated in every community, every strain by east, south, west, north, in five somes samplings, whole blades of often some investigation two tips, total leaf tree of record investigation, sick leaf tree and sick level, calculating disease index and preventive effect.
Fruit disease investigation method: two strain mandarin trees are investigated, every strain random searching 100 fruits in every community, total fruit tree of record investigation and sick fruit number, calculate diseased fruit rate and preventive effect.
Application Example 6 result of the test:
Table 940% fluazinam MTI-446 aqueous emulsion citrus anthracnose test of pesticide effectiveness result
Table 9 result of the test shows, first time dispenser is carried out at citrus anthracnose their early stage or premorbid, young fruit period, fruit growth period are respectively executed once again, and 40% fluazinam MTI-446 aqueous emulsion, when above dosage is tested, has good preventive effect to control citrus anthracnose.
Application Example 11
The 25% fluazinam MTI-446 water dispersible granules that the embodiment of the present invention 11 is obtained and 500 grams per liter fluazinam suspending agents, 10% MTI-446 suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in mandarin tree blade, branch is to moistening, oranges and tangerines blister mite peak of occurrence dispenser in early stage 1 time, investigation mite quantity alive shortly before dispenser, after dispenser 1 day, 7 days, 14 days, 21 days, each investigation in 28 days is once fixed a point the mite number remaining alive of leaf, totally 5 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method is that 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 azimuth mark side shoots, the mite quantity alive of investigation 20 new leaf backs, directly observes the mite number in each visual field with 10 times of folding hand held magnascopes.District compares with blank, calculates relative control effect.
Application Example 11 result of the test:
Table 1025% fluazinam MTI-446 water dispersible granules control oranges and tangerines blister mite test of pesticide effectiveness result
Table 10 result of the test shows, in the dispenser in early stage of mandarin tree blister mite peak of occurrence, 25% fluazinam MTI-446 water dispersible granules, when above usage amount is tested, has good preventive effect to control oranges and tangerines blister mite.
Following instance illustrates the synergistic effect of composition
Pesticide sterilizing Pesticidal combination is to the Toxicity Determination of diaphorina citri
Subjects is diaphorina citri.
Test adopts medicine embrane method.Get cylindrical transparent glass preserving jar (base diameter 6.8cm, bottleneck diameter 5.5cm, high 8.7cm), add the liquid that 50ml has been diluted to desired concn, cover tightly lid, shake up gently, be inverted 30s, make a bottle inwall all stick liquid, then liquid is poured out, then allow bottle naturally dry.The identical liquid of oranges and tangerines tender shoots is soaked 1min, after naturally drying, puts into the bottle dried; The moisturizing of tender shoots base portion is encased with the cotton of dipped identical liquid.Wood louse adult band plug teat glass gathers from kamuning tree.Each process repetition 3 times, each repetition 10 adults.With putting into each process bottle after co2 anesthesia (18-20s) during process, blank clear water, each bottleneck 40 order gauzes are built, in case adult flies out.Dead worm has been checked whether, borer population of living before record medicine after 20 minutes.To the vial after worm be connect be placed in the illumination box of temperature (25 ± 1) DEG C.After medicine, 24h estimates dead borer population, live worm worm, calculates lethality, and clear water contrast lethality is no more than 10% for efficiency test.
First concentration conversion is become natural logrithm value, corrected mortality is converted into arcsine transformation value.Again with arcsine transformation value for dependent variable, with dosage natural logrithm value for independent variable, carry out linear regression analysis by DPS Biological Statistic Analysis Software, draw the toxicity regression linear equation of each medicament.Toxicity index and the co-toxicity coefficient (CTC) of medicament is calculated according to the abundant method of Sun Yun.
Actual measurement toxicity index=standard agent EC50/ reagent agent EC50 × 100
The theoretical toxicity index of the single dose=content of single dose actual measurement toxicity index × single dose in mixture
The theoretical toxicity index sum of mixture theoretical toxicity index=each single dose
Theoretical toxicity index × 100 of toxicity index/mixture of co-toxicity coefficient=mixture actual measurement
Evaluation criterion: CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect.
Table 11: the toxicity index of each medicament and the co-toxicity coefficient of fluazinam MTI-446
| Reagent agent | Proportioning | EC 50(mg/kg) | Co-toxicity coefficient |
| Fluazinam | -- | 5.68 | - |
| MTI-446 | -- | 4.17 | - |
| Fluazinam: MTI-446 | 60：1 | 3.63 | 155.55 |
| Fluazinam: MTI-446 | 50：1 | 3.54 | 159.30 |
| Fluazinam: MTI-446 | 40：1 | 3.42 | 164.63 |
| Fluazinam: MTI-446 | 30：1 | 3.31 | 169.78 |
| Fluazinam: MTI-446 | 15：1 | 3.09 | 179.76 |
| Fluazinam: MTI-446 | 1：1 | 2.78 | 172.99 |
| Fluazinam: MTI-446 | 1：5 | 2.61 | 167.17 |
| Fluazinam: MTI-446 | 1：10 | 2.74 | 155.96 |
| Fluazinam: MTI-446 | 1：15 | 2.81 | 150.91 |
| Fluazinam: MTI-446 | 1：20 | 2.87 | 147.17 |
| Fluazinam: MTI-446 | 1：30 | 2.93 | 143.55 |
Table 11 shows fluazinam and MTI-446, and 50:1 ~ 1:20 is composite in mass ratio, all has synergistic effect to diaphorina citri, and when especially proportioning is between 1:5 ~ 40:1, synergy is more remarkable, and co-toxicity coefficient is all greater than 160, is far longer than the evaluation criterion 120 of synergistic effect.
Composition of the present invention is to the Toxicity Determination of citrus red mite:
The slide infusion process that test adopts FAO (Food and Agriculture Organization of the United Nation) (FAO) to recommend.The female one-tenth mite of 20 work inoculated by every block slide, and the basis of 3 preliminary experimenies is established series concentration value, and clear water contrasts, and often processes 3 times and repeats (totally 60 female one-tenth mites).Leaching medicine 5 blots with blotting paper after second immediately, then puts into 24-26 DEG C of insulating box, within after medicine 48 hours, checks lethality, calculates corrected mortality.Concentration conversion is become natural logrithm value, corrected mortality is converted into arcsine transformation value, then with arcsine transformation value for dependent variable, with dosage natural logrithm value for independent variable, carry out linear regression analysis by DPS Biological Statistic Analysis Software, draw the toxicity regression linear equation of each medicament.Toxicity regression linear equation according to each medicament obtains corrected mortality arcsine transformation value (y), draws EC50 value by looking into antilogarithm table, then calculates toxicity index and the co-toxicity coefficient (CTC) of medicament according to the abundant method of Sun Yun.
Actual measurement toxicity index=standard agent EC50/ reagent agent EC50 × 100
The theoretical toxicity index of the single dose=content of single dose actual measurement toxicity index × single dose in mixture
The theoretical toxicity index sum of mixture theoretical toxicity index=each single dose
Theoretical toxicity index × 100 of toxicity index/mixture of co-toxicity coefficient=mixture actual measurement
Evaluation criterion: CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect, and experimental result please refer to table 12:
Table 12: the toxicity index of each medicament and the co-toxicity coefficient of fluazinam MTI-446
| Reagent agent | Proportioning | EC 50(mg/kg) | Co-toxicity coefficient |
| MTI-446 | -- | 7.82 | - |
| Fluazinam | -- | 5.47 | - |
| MTI-446: fluazinam | 1：60 | 4.23 | 129.32 |
| MTI-446: fluazinam | 1：50 | 3.97 | 138.59 |
| MTI-446: fluazinam | 1：40 | 3.81 | 144.63 |
| MTI-446: fluazinam | 1：30 | 3.26 | 169.43 |
| MTI-446: fluazinam | 1：15 | 2.93 | 190.26 |
| MTI-446: fluazinam | 1：1 | 3.41 | 188.78 |
| MTI-446: fluazinam | 5：1 | 4.14 | 176.27 |
| MTI-446: fluazinam | 10：1 | 4.51 | 166.87 |
| MTI-446: fluazinam | 15：1 | 4.59 | 165.91 |
| MTI-446: fluazinam | 20：1 | 4.76 | 164.44 |
| MTI-446: fluazinam | 30：1 | 4.87 | 158.38 |
The experimental result of table 12 shows MTI-446 and fluazinam, and 1:50 ~ 20:1 is composite in mass ratio, and all have synergistic effect to citrus red mite, when especially proportioning is between 1:40 ~ 20:1, synergy is more remarkable.
Composition of the present invention is to the Toxicity Determination of oranges and tangerines resin disease (broken skin is sick):
Test adopts mycelial growth rate method, get experiment liquid that 5ml prepares to join the hot medium of 45ml (PDA medium is housed, 45-50 DEG C) conical flask in, after shaking up, pour rapidly diameter 90mm glass culture dish into, band medicine medium 12ml poured into by each culture dish, each process 4 repetition, horizontal rest, cooling after flat board.Cut bacterium cake with diameter 5mm card punch from the examination bacterium edge that supplies cultivating 4d, the one side with mycelia received on the malicious medium of band with choosing pin, all operations all carries out sterile working at superclean bench.Being placed on by flat board after process after cultivating 4d in the constant temperature aseptic culture case of 20 DEG C adopts right-angled intersection method to measure the colony diameter of each process respectively, calculates the mean value of each process colony diameter, the average net growth of colony diameter and mycelial growth inhibition rate.
Bacterium colony net growth (mm)=colony diameter-5
Concentration conversion is become natural logrithm value by mycelial growth inhibition rate (%)=((contrast bacterium colony net growth-process bacterium colony net growth)/contrast bacterium colony net growth) × 100, inhibiting rate conversion arcsin function value, with arcsine letter replacement value for dependent variable, with dosage natural logrithm value for independent variable, linear regression analysis is carried out by DPS Biological Statistic Analysis Software, draw regression equation, then carry out anti-natural logrithm convert draw EC50.Toxicity index and the co-toxicity coefficient (CTC) of medicament is calculated according to the abundant method of Sun Yun.
Actual measurement toxicity index=standard agent EC50/ reagent agent EC50 × 100
The theoretical toxicity index of the single dose=content of single dose actual measurement toxicity index × single dose in mixture
The theoretical toxicity index sum of mixture theoretical toxicity index=each single dose
Theoretical toxicity index × 100 of toxicity index/mixture of co-toxicity coefficient=mixture actual measurement
Evaluation criterion: CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect, and experimental result please refer to table 13;
Table 13: the toxicity index of each medicament and the co-toxicity coefficient of fluazinam MTI-446
| Reagent agent | Proportioning | EC 50(mg/kg) | Co-toxicity coefficient |
| MTI-446 | - | 10.26 | - |
| Fluazinam | - | 6.43 | - |
| MTI-446: fluazinam | 1：60 | 5.14 | 125.87 |
| MTI-446: fluazinam | 1：50 | 4.68 | 138.41 |
| MTI-446: fluazinam | 1：40 | 4.23 | 153.41 |
| MTI-446: fluazinam | 1：30 | 3.72 | 174.96 |
| MTI-446: fluazinam | 1：15 | 3.31 | 198.90 |
| MTI-446: fluazinam | 1：1 | 3.62 | 218.39 |
| MTI-446: fluazinam | 5：1 | 4.31 | 216.55 |
| MTI-446: fluazinam | 10：1 | 4.75 | 204.90 |
| MTI-446: fluazinam | 15：1 | 5.03 | 196.66 |
| MTI-446: fluazinam | 20：1 | 5.94 | 167.96 |
| MTI-446: fluazinam | 30：1 | 6.58 | 152.99 |
The experimental result of table 13 shows MTI-446 and fluazinam composition, and 1:50 ~ 30:1 is composite in mass ratio, and all have synergistic effect to oranges and tangerines resin disease (broken skin is sick), when especially proportioning is between 1:40 ~ 20:1, synergy is more remarkable.
Claims (5)
1. contain a composition pesticide for MTI-446 and fluazinam, comprise active component, it is characterized in that: described active component is MTI-446 and fluazinam, counts by weight:
MTI-446 1-30 part;
Fluazinam 1-60 part.
2. a kind of composition pesticide containing MTI-446 and fluazinam according to claim 1, it is characterized in that: this composition pesticide also comprises auxiliary agent, described auxiliary agent comprise in dispersant, emulsifier, antifreezing agent, thickener, defoamer, solvent, wetting agent, disintegrant and filler one or more.
3. a kind of composition pesticide containing MTI-446 and fluazinam according to claim 2, is characterized in that: the parts by weight that described auxiliary agent adds are:
Dispersant 0.1-15 part;
Emulsifier 0.1-12 part;
Antifreezing agent 0.1-4 part;
Thickener 0.1-4 part;
Defoamer 0.1-2 part;
Solvent 25.9-95.8 part;
Wetting agent 0.1-15 part;
Disintegrant 0.1-6 part;
Filler 8-97.5 part.
4. a kind of composition pesticide containing MTI-446 and fluazinam according to Claims 2 or 3, is characterized in that: described emulsifier is one or more in calcium dodecyl benzene sulfonate, alkylpolyoxyethylene, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, thermally coupled distillation columns, aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether, dodecyl polyoxyethylene sulfonic acid sodium salt and phenethyl phenol polyethenoxy ether;
Described solvent is one or more in dimethylbenzene, diesel oil, toluene, cyclohexanol, methyl alcohol, soybean oil, turpentine oil, methyl oleate, solvent naphtha, dimethyl formamide, ethanol, N-pyrrolidones, ethyl acetate and aqueous solvent;
Described wetting agent is lauryl sodium sulfate, calcium dodecyl benzene sulfonate, methyl naphthalene sulfonate formaldehyde condensate, pull open in powder, Negel and spaonin powder one or more;
Described dispersant is one or more in sodium lignin sulfonate, calcium lignosulfonate, alkylphenol polyoxyethylene formaldehyde condensation products sodium sulphate, alkyl benzene calcium sulfonate, alkylphenol polyoxyethylene, polycarboxylic acids sodium, aliphatic amine polyoxyethylene ether and glycerine fatty acid fat acid ester polyoxyethylene ether;
Described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine and urea;
Described thickener is one or more in xanthans, Magnesiumaluminumsilicate, CMC and polyvinyl alcohol;
Described defoamer is one or more in silicone oil, organic silicone and polypropylene glycerol aether;
Described disintegrant is one or more in bentonite, ammonium sulfate, sodium bicarbonate, aluminium chloride and succinic acid;
Described filler is one or more in white carbon, kaolin, diatomite, precipitated calcium carbonate and starch.
5. a kind of composition pesticide containing MTI-446 and fluazinam according to claim 4, is characterized in that: the formulation of composition pesticide is suspending agent, aqueous emulsion, water dispersible granules, microemulsion or wetting powder.
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| CN106212526A (en) * | 2016-08-08 | 2016-12-14 | 苏州莱奥生物技术有限公司 | A kind of organic insecticidal pesticide |
| CN109429863A (en) * | 2018-11-22 | 2019-03-08 | 西南大学 | The method that soil applies dinotefuran prevention and control citrus leaf-miner, citrus psylla and aphid |
| CN110583683A (en) * | 2019-08-28 | 2019-12-20 | 广东省农业科学院植物保护研究所 | Insecticidal composition containing dinotefuran and trichlorfon |
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| CN101541179A (en) * | 2006-11-29 | 2009-09-23 | 三井化学株式会社 | Pest control composition and method of preventing pest damage |
| CN102802422A (en) * | 2009-06-17 | 2012-11-28 | 石原产业株式会社 | Control Agent For Soft Rot And Control Method For The Same |
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| CN101541179A (en) * | 2006-11-29 | 2009-09-23 | 三井化学株式会社 | Pest control composition and method of preventing pest damage |
| CN102802422A (en) * | 2009-06-17 | 2012-11-28 | 石原产业株式会社 | Control Agent For Soft Rot And Control Method For The Same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106212526A (en) * | 2016-08-08 | 2016-12-14 | 苏州莱奥生物技术有限公司 | A kind of organic insecticidal pesticide |
| CN109429863A (en) * | 2018-11-22 | 2019-03-08 | 西南大学 | The method that soil applies dinotefuran prevention and control citrus leaf-miner, citrus psylla and aphid |
| CN110583683A (en) * | 2019-08-28 | 2019-12-20 | 广东省农业科学院植物保护研究所 | Insecticidal composition containing dinotefuran and trichlorfon |
| CN110583683B (en) * | 2019-08-28 | 2021-04-16 | 广东省农业科学院植物保护研究所 | Insecticidal composition containing dinotefuran and trichlorfon |
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