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CN106342872A - Composition containing mefenoxam, azoxystrobin and clothianidin, seed coating agent and application - Google Patents

Composition containing mefenoxam, azoxystrobin and clothianidin, seed coating agent and application Download PDF

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Publication number
CN106342872A
CN106342872A CN201610767131.1A CN201610767131A CN106342872A CN 106342872 A CN106342872 A CN 106342872A CN 201610767131 A CN201610767131 A CN 201610767131A CN 106342872 A CN106342872 A CN 106342872A
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China
Prior art keywords
metalaxyl
clothianidin
fluoxastrobin
seed coat
agent
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CN201610767131.1A
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Chinese (zh)
Inventor
王鹏
姚文权
段新新
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HUATE WESTERN SHAANXI SCIENCE AND TECHNOLOGY INDUSTRIAL Co Ltd
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HUATE WESTERN SHAANXI SCIENCE AND TECHNOLOGY INDUSTRIAL Co Ltd
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Priority to CN201610767131.1A priority Critical patent/CN106342872A/en
Publication of CN106342872A publication Critical patent/CN106342872A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N51/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/06Coating or dressing seed
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/08Immunising seed
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/46N-acyl derivatives
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/541,3-Diazines; Hydrogenated 1,3-diazines

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a composition containing mefenoxam, azoxystrobin and clothianidin and a seed coating agent. The mass ratio of mefenoxam to azoxystrobin to clothianidin (effective components) is (1-20):(1-20):(1-40). An experiment proves that the seed coating agent can effectively improve the rate of emergence of seeds and has a good prevention effect in such crops as peanuts, corns, wheat and potatoes against pests and diseases.

Description

Compositionss containing Metalaxyl-M and Fluoxastrobin and clothianidin, seed coat agent and purposes
Technical field
The present invention relates to technical field of pesticide combination and in particular to a kind of containing Metalaxyl-M and Fluoxastrobin and clothianidin Compositionss and seed coat agent.
Background technology
Seed coat agent be a kind of for crop seed process, there are the pesticidal preparations of film forming characteristicss, it can be in the surface of the seed The film containing referred to as kind of the clothing of pesticide active ingredient for the solidification.Seed coat agent in soil imbibition but be not dissolved, do not affect plant The required moisture of the normal germination of son and air pass through, and contained pesticide efficacy composition can slowly discharge, and protects seed not by ground Lower insect and the injury of various pathogenic bacteria, have preventing and treating sprout term disease and insect pest, improve percentage of seedgermination, promote crops seedling stage to be good for The effects such as Kang Shengchang.
Metalaxyl-M, Chinese nickname: n- (2- Methoxyacetyl)-n- (2,6- xylyl)-d- methyl lactamine;n- (2,6- xylyl)-n- (Methoxyacetyl)-d- alanine methyl ester.Belong to the wide spectrum systemic fungicide of phenylamide.Medicine Thing mainly passes through with, stem, and leaf absorbs, and can make cauline leaf process, seed treatment and soil treatment, to downy mildew, phytophthora, rotten mould The crop pest that bacterium etc. causes has significant prevention effect.
Fluoxastrobin, Chinese nickname: (e)-[2- [6- (2- cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl] -3- methoxy propyl E pioic acid methyl ester;Amici reaches;(e) -2- { 2- [6 (2- cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl } -3- methoxy acrylic acid first Ester.It is new and effective, wide spectrum, systemic fungicide. can be used for stem and leaf spraying, seed treatment, also can carry out scholar's earth process.To many Kind of fungal disease all has good activity, and with have antibacterial no interactions resistance at present.For corn, Oryza sativa L., Fructus Vitis viniferae, Ma Ling Potato, vegetable, fruit tree and other crop, to these crop safeties.
Clothianidin, Chinese nickname: (e) -1- (2- chloro- 1,3-thiazoles -5- ylmethyl) -3- methyl -2- nitroguanidine;1-(2- Chloro- 5- benzothiazolylmethyl) -3- methyl -2- nitroguanidine;Clothianadin.It is one of anabasine insecticide, highly effective and safe, choosing Selecting property is high, has and tags, stomach toxicity and systemic activity.
Content of the invention
It is an object of the present invention to provide a kind of compositionss containing Metalaxyl-M and Fluoxastrobin and clothianidin, there is bactericidal effect Have insecticidal effect simultaneously concurrently, improve percentage of seedgermination, cover crop is not endangered by pest and disease damage, its active component Metalaxyl-M and phonetic The mass ratio of bacterium ester and clothianidin is 1-20:1-20:1-40.
Further, in the composition, Metalaxyl-M, the mass ratio of Fluoxastrobin is 1:10-10:1, Metalaxyl-M and The quality of Fluoxastrobin and the mass ratio with clothianidin are 1:1-1:20.
It is a further object of the present invention to provide a kind of seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin, for planting Attached bag clothing uses, and has bactericidal effect and has insecticidal effect simultaneously concurrently, improve percentage of seedgermination, cover crop is not endangered by pest and disease damage Evil.For realizing the object of the invention, the present invention adopts the following technical scheme that
A kind of seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin it is characterised in that: effective ingredient be Metalaxyl-M, phonetic Bacterium ester, clothianidin, effective ingredient Metalaxyl-M, Fluoxastrobin, the mass ratio of clothianidin is respectively 1-20:1-20:1-40.
Further technical scheme is: has the Metalaxyl-M of bactericidal activity, the mass ratio of Fluoxastrobin is 1:10-10: 1, there is the Metalaxyl-M of bactericidal activity, Fluoxastrobin is 1:1-1:20 with the clothianidin mass ratio with insecticidal activity.
The pesticidal preparations dosage form that described seed coat agent can be configured to is suspension seed-coating agent, and seed treatment dispersibles powder, Seed treatment dispersibles granule.
When described seed coat agent dosage form is suspending agent seed coat agent, in preparation, the mass ratio shared by each composition is Metalaxyl-M 1- 20%, Fluoxastrobin 1-20%, clothianidin 1%-40%, auxiliary element is: dispersant 1-5%, antifreezing agent 1-5%, film former 0.1-5%, increases Thick dose of 1-5%, defoamer 0.1-2%, warning coloration 1-5%, water supplies 100%.Concrete procedure of processing is: joins above-mentioned by above-mentioned formula In side, each component is sufficiently mixed, through telling shear-mixed uniformly, sand milling 2-3 hour in sand mill, make particle diameter 5 microns with Under, obtain final product suspension seed-coating agent.
When described seed coat agent dosage form is to dispersible powder, in preparation, the mass ratio shared by each composition is Metalaxyl-M 1- 20%, Fluoxastrobin 1-20%, clothianidin 1%-40%, auxiliary element is: dispersant 2-8%, wetting agent 1-6%, film former 1-10%, alert Guard against color 1-5%, filler supplies 100%.Concrete procedure of processing is: by above-mentioned formula by each component mixing in above-mentioned formula, mixed Close stirrer for mixing to stir, pulverized through jet mill, the seed treatment obtaining final product the present invention after mix homogeneously can Dispersion powder.
When described seed coat agent dosage form is to dispersible granule, in preparation, the mass ratio shared by each composition is Metalaxyl-M 1- 20%, Fluoxastrobin 1-20%, clothianidin 1%-40%, auxiliary element is: dispersant 1-6%, wetting agent 2-6%, disintegrating agent 1-10%, becomes Membrane 1-5%, warning coloration 1-5%, filler supplies 100%.Concrete procedure of processing is: mixes all above-mentioned each component by above-mentioned formula Even, carry out mix homogeneously after comminution by gas stream, be subsequently adding fluidized bed pelletizer pelletize, or carry out extruder grain after the kneading that adds water, It is dried, through sample analysis after screening, the seed treatment obtaining final product the present invention dispersibles granule.
Described dispersant is selected from lignosulfonates, naphthalene sulfonate, polycarboxylate, Ketohexamethylene formaldehyde condensation products, naphthalene sulphur Hydrochlorate formaldehyde condensation products, aliphatic amine polyoxyethylene ether, aliphatic acid polyethenoxy ether, aliphatic alcohol polyoxyethylene sulfonate, alkyl Phenol polyethenoxy ether sulfonate, alkylphenol polyoxyethylene phosphate, APES formaldehyde condensation products sulfat, lose At least one in water sorbitol polyoxyethylene ether.
Described wetting agent is selected from sodium lauryl sulphate, calcium dodecyl benzene sulfonate, pull open powder, wetting and penetrating agent t, tea soap Element, fatty alcohol-polyoxyethylene ether, at least one in alkylnaphthalene sulfonate etc..
Described disintegrating agent is selected from bentonite, carbamide, ammonium sulfate, sodium sulfate, at least one in sodium carbonate.
Described thickening agent is selected from xanthan gum, aluminium-magnesium silicate, hydroxymethyl cellulose, hydroxypropyl cellulose, polyvinyl alcohol, Sargassum Sour sodium, arabic gum, Polyethylene Glycol, Polyvinylpyrrolidone, polyacrylamide, at least one in sodium polyacrylate etc..
Described film former selects xanthan gum, hydroxymethyl cellulose, polyvinyl alcohol, sodium alginate, polyvinyl alcohol, Arab Glue, polyacrylamide, Polyethylene Glycol, polyvinyl acetate, at least one in starch etc..
Described antifreezing agent be selected from ethylene glycol, propylene glycol, glycerol, carbamide, ammonium sulfate, sodium sulfate, in sodium chloride at least A kind of.
Described defoamer is selected from silicone defoamer, aliphatic alcohols compound, at least in fatty acid compound Kind.
Described filler is selected from Kaolin, precipitated calcium carbonate, kieselguhr, bentonite, attapulgite, potter's clay, white carbon, jade At least one in rice starch.
Described warning coloration is selected from rose violet, rose-red, pinkish red, carmine, at least one in the color such as acid scarlet.
The present invention to Metalaxyl-M, furtherd investigate by Fluoxastrobin and clothianidin, finds Metalaxyl-M, Fluoxastrobin and thiophene worm Amine carries out compounded combination and has obvious potentiation, not only can prevent and treat kind of a biography, soil-borne disease, and can prevent and treat underground evil simultaneously Worm, improves germination percentage.The seed coat agent that the present invention provides, uses for seed pelleting, has bactericidal effect and has parasite killing effect simultaneously concurrently Really, improve percentage of seedgermination, cover crop is not endangered by pest and disease damage.
The seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin of the present invention can be used for Semen arachidis hypogaeae, Semen Maydiss, Semen Tritici aestivi, Ma Ling During the sowing of the crops such as potato, seed pelleting uses and is used for preventing and treating Semen arachidis hypogaeae, Semen Maydiss, Semen Tritici aestivi, potatoes and other crops sprout term disease and insect pest In application.
Specific embodiment
Below the technical scheme in the embodiment of the present invention is described in detail, described embodiment does not represent all Embodiment.The every other embodiment that those skilled in the art are obtained under the premise of not making creative work, all belongs to In the scope of protection of the invention.
Embodiment 1:
Metalaxyl-M 2%, Fluoxastrobin 10%, clothianidin 30%, dispersant 8%, wetting agent 4%, film former 3%, warning coloration 2%, filler Supply 100%, mix homogeneously in mixer, through jet mill pulverize after in mixer mix homogeneously, that is, be obtained 42% essence Metalaxyl Fluoxastrobin clothianidin seed treatment dispersibles powder.
Embodiment 2:
Metalaxyl-M 5%, Fluoxastrobin 5%, clothianidin 40%, dispersant 10%, wetting agent 5%, film former 2%, warning coloration 4%, filler Supply 100%, mix homogeneously in mixer, through jet mill pulverize after in mixer mix homogeneously, that is, be obtained 50% essence Metalaxyl Fluoxastrobin clothianidin seed treatment dispersibles powder.
Embodiment 3:
Metalaxyl-M 15%, Fluoxastrobin 3%, clothianidin 40%, dispersant 8%, wetting agent 6%, film former 4%, warning coloration 1%, filler Supply 100%.Mix homogeneously in mixer, after pulverizing through jet mill in mixer mix homogeneously, obtain final product 58% smart first Frost spirit Fluoxastrobin clothianidin seed treatment dispersibles powder.
Embodiment 4:
By dispersant 4%, antifreezing agent 4%, thickening agent 3%, defoamer 0.5%, film former 1%, warning coloration 3%, water supplies 100%, through height Fast shear-mixed uniformly, sequentially adds Metalaxyl-M 1%, Fluoxastrobin 5%, clothianidin 20%, sand milling 2-3 hour, makes in sand mill Particle diameter, below 5 microns, obtains final product 26% Metalaxyl-M Fluoxastrobin clothianidin suspension seed-coating agent.
Embodiment 5:
By dispersant 5%, antifreezing agent 3%, thickening agent 2%, defoamer 0.5%, film former 2%, warning coloration 2%, water supplies 100%, through height Fast shear-mixed uniformly, sequentially adds Metalaxyl-M 5%, Fluoxastrobin 5%, clothianidin 30%, sand milling 2-3 hour, makes in sand mill Particle diameter, below 5 microns, obtains final product 40% Metalaxyl-M Fluoxastrobin clothianidin suspension seed-coating agent.
Embodiment 6:
By dispersant 4%, antifreezing agent 5%, thickening agent 1%, defoamer 0.5%, film former 3%, warning coloration 3%, water supplies 100%, through height Fast shear-mixed uniformly, sequentially adds Metalaxyl-M 10%, Fluoxastrobin 2%, clothianidin 30%, sand milling 2-3 hour in sand mill, Make particle diameter below 5 microns, obtain final product 42% Metalaxyl-M Fluoxastrobin clothianidin suspension seed-coating agent.
Embodiment 7
Metalaxyl-M 10%, Fluoxastrobin 10%, clothianidin 40%, dispersant 6%, wetting agent 4%, disintegrating agent 15%, film former 4%, alert Guard against color 3%, filler supplies 100%.Mix homogeneously in mixer, mix homogeneously after jet mill, it is subsequently adding fluid bed Extruder grain after comminutor or the kneading that adds water, drying, sample analysis after screening, obtain final product 60% Metalaxyl-M Fluoxastrobin clothianidin Seed treatment dispersibles granule.
Embodiment 8
Metalaxyl-M 20%, Fluoxastrobin 5%, clothianidin 40%, dispersant 6%, wetting agent 4%, disintegrating agent 10%, film former 3%, warning Color 2%, filler supplies 100%.Mix homogeneously in mixer, mix homogeneously after jet mill, it is subsequently adding fluid bed and make Extruder grain after grain machine or the kneading that adds water, drying, sample analysis after screening, obtain final product 65% Metalaxyl-M Fluoxastrobin clothianidin kind Subprocessing dispersibles granule.
Embodiment 9
Metalaxyl-M 5%, Fluoxastrobin 20%, clothianidin 30%, dispersant 8%, wetting agent 2%, disintegrating agent 20%, film former 2%, warning Color 2%, filler supplies 100%.Mix homogeneously in mixer, mix homogeneously after jet mill, it is subsequently adding fluid bed and make Extruder grain after grain machine or the kneading that adds water, drying, sample analysis after screening, obtain final product 55% Metalaxyl-M Fluoxastrobin clothianidin kind Subprocessing dispersibles granule.
The method that this experiment is combined using Toxicity Determination and field test.First pass through Toxicity Determination, determine Co-toxicity coefficient (ctc) after two kinds of medicaments are compounding by a certain percentage, ctc < 80 is antagonism, and 80≤ctc≤120 are to be added to make With ctc > 120 be potentiation, on this basis, then carry out field test.
Table 1. Metalaxyl-M, the Fluoxastrobin and clothianidin Toxicity Determination to black scurf of potato
As shown in Table 1, Metalaxyl-M and Fluoxastrobin compound in the range of 10:1-1:10 and all show notable synergistic effect, and 1: 10 synergistic effects are the most obvious, and the addition of clothianidin does not have harmful effect to the bactericidal effect of Metalaxyl-M and Fluoxastrobin, and anti- Control and while disease, insect is played with certain prevention effect.
Field control effectiveness test (one)
Subjects: fusarium root rot of maize
Test kind: Zheng Dan 958
EXPERIMENTAL DESIGN, sets 5 process altogether:
42% Metalaxyl-M Fluoxastrobin clothianidin seed treatment of embodiment 1 dispersibles powder, and it is 1 that note processes numbering;
40% Metalaxyl-M Fluoxastrobin clothianidin suspension seed-coating agent of embodiment 5, it is 2 that note processes numbering;
65% Metalaxyl-M Fluoxastrobin clothianidin seed treatment of embodiment 8 dispersibles granule, and it is 3 that note processes numbering;
3% Metalaxyl-M suspension seed-coating agent, it is 4 that note processes numbering;
With clear water as blank, it is 5 that note processes numbering.
Experimental plot arranges, experimental plot random alignment, and experimental plot area is 60m2, is repeated 4 times.
Application method:
Add water in the ratio that 100 kilograms of seed doses convert 2 liters of water in table Chinese medicine consumption before sowing and be tuned into medicinal liquid, then by medicinal liquid It is sufficiently stirred for seed, so that medicinal liquid is uniformly bonded on seed, sow after airing.
Investigation method:
Disease index is investigated.10d after emergence of corn, the every cell of 30d, 60d takes 5 points of samplings, and each treatment region takes 30 plants Investigation, record total strain number and diseased plant number at different levels, disease index, calculate prevention effect.
Stage division:
0 grade: plant basal part of stem and master, the equal disease-free spot of fibrous root;
1 grade: a small amount of scab is had on basal part of stem and main root;
3 grades: on basal part of stem and main root, scab is more, lesion area accounts for cervical region and the 1/4-1/2 of the root gross area;
5 grades: on basal part of stem and main root, scab is many and larger, and lesion area accounts for cervical region and the 1/2-3/4 of the root gross area;
7 grades: on basal part of stem and main root, scab in flakes, forms around stem phenomenon, but root system is not dead;
9 grades: root system necrosis, plant above ground portion wilts or dead.
Drug effect computational methods:
Disease index=σ (disease numbers of sheets * at different levels are relative to value of series)/(investigating total leaf book * 9) * 100
Prevention effect (%)=[1- (disease index after disease index * treatment region medicine before blank district medicine)/(blank district medicine Disease index before disease index * treatment region medicine afterwards)] * 100%
Table 2 Metalaxyl-M Fluoxastrobin clothianidin seed coat agent prevents and treats fusarium root rot of maize result of the test
Process numbering Preparation dosage (gram/100kg seed) After planting 30 days preventive effects (%) After planting 60 days preventive effects (%) After planting 90 days preventive effects (%)
1 1 86.97 87.52 83.31
2 1 87.69 88.43 82.34
3 1 85.69 86.97 81.36
4 2 74.36 75.21 70.56
5 -- -- -- --
From table 2 it can be seen that Metalaxyl-M and azoxystrobin compound seed coat agent will be substantially better than to the prevention effect of fusarium root rot of maize Metalaxyl-M single dose, and the addition of clothianidin has no adverse effects to the field bactericidal effect of Metalaxyl-M and Fluoxastrobin.
Field control effectiveness test (two)
Subjects: Semen arachidis hypogaeae root rot, peanut grub
Test kind: four red
EXPERIMENTAL DESIGN, sets 6 process altogether:
50% Metalaxyl-M Fluoxastrobin clothianidin seed treatment of embodiment 2 dispersibles powder, and it is 1 that note processes numbering;
26% Metalaxyl-M Fluoxastrobin clothianidin suspension seed-coating agent of embodiment 4, it is 2 that note processes numbering;
55% Metalaxyl-M Fluoxastrobin clothianidin seed treatment of embodiment 9 dispersibles granule, and it is 3 that note processes numbering;
3% Metalaxyl-M suspension seed-coating agent, it is 4 that note processes numbering;
20% clothianidin suspension seed-coating agent, it is 5 that note processes numbering:
With clear water as blank, it is 6. that note processes numbering
Experimental plot arranges, experimental plot random alignment, and experimental plot area is 60m2, is repeated 4 times.
Application method:
Add water in the ratio that 100 kilograms of seed doses convert 2 liters of water in table Chinese medicine consumption before sowing and be tuned into medicinal liquid, then by medicinal liquid It is sufficiently stirred for seed, so that medicinal liquid is uniformly bonded on seed, sow after airing.
Investigation method:
Semen arachidis hypogaeae root rot investigation method
Disease index is investigated.10d after emergence of corn, the every cell of 30d, 60d takes 5 points of samplings, and each treatment region takes 30 plants Investigation, record total strain number and diseased plant number at different levels, disease index, calculate prevention effect.
Stage division:
0 grade: plant basal part of stem and master, the equal disease-free spot of fibrous root;
1 grade: a small amount of scab is had on basal part of stem and main root;
3 grades: on basal part of stem and main root, scab is more, lesion area accounts for cervical region and the 1/4-1/2 of the root gross area;
5 grades: on basal part of stem and main root, scab is many and larger, and lesion area accounts for cervical region and the 1/2-3/4 of the root gross area;
7 grades: on basal part of stem and main root, scab in flakes, forms around stem phenomenon, but root system is not dead;
9 grades: root system necrosis, plant above ground portion wilts or dead.
Drug effect computational methods:
Disease index=σ (disease numbers of sheets * at different levels are relative to value of series)/(investigation total number of sheets * 9) * 100
Prevention effect (%)=[1- (disease index after disease index * treatment region medicine before blank district medicine)/(blank district medicine Disease index before disease index * treatment region medicine afterwards)] * 100%
Peanut grub prevention effect investigation method:
Test and investigate 1 time in the harvesting peanut phase.Every 8 points of samplings of cell checkerboard type, do not put 5 caves, investigate peanut grub work borer population, and By 3 grades of killed fruit numbers of investigation.Calculate prevention effect.
Stage division:
0 grade: pod is complete, no killed shape;
1 grade: pod epidermis is killed, killed area accounts for less than 1/3;
2 grades: the killed area of pod epidermis is more than 1/3, or has killed duck eye, but pod is complete, does not affect yield;
3 grades: pod has killed formation hole fruit, kernel is killed, affects yield.
Drug effect computational methods:
Live borer population * 100 for prevention effect (%)=(check plot work borer population-chemicals treatment district work borer population)/check plot
The killed index of pod (%)=
σ (this killed fruit rank of killed fruit number *)/(the investigation killed rank of total fruit number * highest) * 100
Fruit retention effect (%)=
(the killed index of the blank district pod-killed index of chemicals treatment district pod)/blank district pod killed index * 100
Table 3 Metalaxyl-M Fluoxastrobin clothianidin seed coat agent prevents and treats Semen arachidis hypogaeae root rot result of the test
Process numbering Preparation dosage (gram/100kg seed) After planting 30 days preventive effects (%) After planting 60 days preventive effects (%) After planting 90 days preventive effects (%)
1 1 84.68 85.04 83.49
2 1 86.37 87.25 84.66
3 1 85.53 85.86 82.47
4 2 73.63 72.65 71.48
5 2 -- -- --
6 -- -- -- --
Table 4 Metalaxyl-M Fluoxastrobin clothianidin seed coat agent prevents and treats peanut grub result of the test
Process numbering Preparation dosage (gram/100kg seed) Larva preventive effect (%) Foliar symptoms Fruit retention effect (%)
1 1 87.85 12.45 85.68
2 1 88.36 11.57 86.65
3 1 87.98 12.13 86.12
4 2 -- -- --
5 2 82.65 13.97 84.27
6 -- -- -- --
From table 3, table 4 is as can be seen that Metalaxyl-M and azoxystrobin compound seed coat agent are obvious to the prevention effect of Semen arachidis hypogaeae root rot Better than Metalaxyl-M single dose, and the addition of clothianidin has no adverse effects to the field bactericidal effect of Metalaxyl-M and Fluoxastrobin.With When, the addition of clothianidin also shows preferable prevention effect to peanut grub.

Claims (9)

1. a kind of compositionss containing Metalaxyl-M and Fluoxastrobin and clothianidin it is characterised in that active component Metalaxyl-M and The mass ratio of Fluoxastrobin and clothianidin is 1-20:1-20:1-40.
2. as claimed in claim 1 a kind of compositionss containing Metalaxyl-M and Fluoxastrobin and clothianidin it is characterised in that In described compositionss, Metalaxyl-M, the mass ratio of Fluoxastrobin is 1:10-10:1, the quality of Metalaxyl-M and Fluoxastrobin and and thiophene The mass ratio of worm amine is 1:1-1:20.
3. a kind of seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin it is characterised in that: effective ingredient Metalaxyl-M, phonetic Bacterium ester, the mass ratio of clothianidin is 1-20:1-20:1-40.
4. the seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin according to claim 3 it is characterised in that: tool The Metalaxyl-M of bactericidal activity and the mass ratio of Fluoxastrobin is had to be 1:10-10:1, the quality of Metalaxyl-M and Fluoxastrobin and and thiophene The mass ratio of worm amine is 1:1-1:20.
5. the seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin according to claim 3 it is characterised in that: described The pesticidal preparations dosage form that can be configured to of seed coat agent be suspension seed-coating agent for pesticidal preparations dosage form, seed treatment dispersibles powder Agent, seed treatment dispersibles granule.
6., according to the arbitrary described seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin of claim 3-5, its feature exists In: when described seed coat agent dosage form is suspending agent seed coat agent, in preparation, the mass ratio shared by each composition is Metalaxyl-M 1-20%, Fluoxastrobin 1-20%, clothianidin 1%-40%, auxiliary element is: dispersant 1-5%, antifreezing agent 1-5%, film former 0.1-5%, thickening agent 1-5%, defoamer 0.1-2%, warning coloration 1-5%, water supplies 100%.
7., according to the arbitrary described seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin of claim 3-5, its feature exists In: when described seed coat agent dosage form is to dispersible powder, in preparation, the mass ratio shared by each composition is Metalaxyl-M 1-20%, phonetic Bacterium ester 1-20%, clothianidin 1%-40%, auxiliary element is: dispersant 2-8%, wetting agent 1-6%, film former 1-10%, warning coloration 1- 5%, filler supplies 100%.
8., according to the arbitrary described seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin of claim 3-5, its feature exists In: when described seed coat agent dosage form is to dispersible granule, in preparation, the mass ratio shared by each composition is Metalaxyl-M 1-20%, phonetic Bacterium ester 1-20%, clothianidin 1%-40%, auxiliary element is: dispersant 1-6%, wetting agent 2-6%, disintegrating agent 1-10%, film former 1- 5%, warning coloration 1-5%, filler supplies 100%.
9. according to the arbitrary described seed coat agent containing Metalaxyl-M and Fluoxastrobin and clothianidin of claim 3-5 be used for Semen arachidis hypogaeae, When Semen Maydiss, Semen Tritici aestivi, potatoes and other crops sowing, seed pelleting uses and is used for preventing and treating Semen arachidis hypogaeae, Semen Maydiss, Semen Tritici aestivi, potatoes and other crops Application in sprout term disease and insect pest.
CN201610767131.1A 2016-08-31 2016-08-31 Composition containing mefenoxam, azoxystrobin and clothianidin, seed coating agent and application Pending CN106342872A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114766480A (en) * 2022-03-16 2022-07-22 深圳诺普信农化股份有限公司 Water dispersible granule and preparation method and application thereof

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Publication number Priority date Publication date Assignee Title
CN1604737A (en) * 2001-11-27 2005-04-06 辛根塔参与股份公司 Seed treatment compositions
CN101227820A (en) * 2004-08-17 2008-07-23 先正达参股股份有限公司 Anabasine composition containing water for seed processing
CN101242739A (en) * 2005-06-29 2008-08-13 先正达参股股份有限公司 Liquid compositions for treating plant propagation materials

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1604737A (en) * 2001-11-27 2005-04-06 辛根塔参与股份公司 Seed treatment compositions
CN101227820A (en) * 2004-08-17 2008-07-23 先正达参股股份有限公司 Anabasine composition containing water for seed processing
CN101242739A (en) * 2005-06-29 2008-08-13 先正达参股股份有限公司 Liquid compositions for treating plant propagation materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114766480A (en) * 2022-03-16 2022-07-22 深圳诺普信农化股份有限公司 Water dispersible granule and preparation method and application thereof

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Application publication date: 20170125