CN109984142A - A kind of Pesticidal combination containing double third ring worm esters and shuangweiwei - Google Patents
A kind of Pesticidal combination containing double third ring worm esters and shuangweiwei Download PDFInfo
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- CN109984142A CN109984142A CN201910417353.4A CN201910417353A CN109984142A CN 109984142 A CN109984142 A CN 109984142A CN 201910417353 A CN201910417353 A CN 201910417353A CN 109984142 A CN109984142 A CN 109984142A
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- Prior art keywords
- shuangweiwei
- double
- ring worm
- pesticidal combination
- worm esters
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- 230000000361 pesticidal effect Effects 0.000 title claims abstract description 30
- 241000607479 Yersinia pestis Species 0.000 claims abstract description 22
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- 238000002360 preparation method Methods 0.000 claims abstract description 11
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- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
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- 230000000295 complement effect Effects 0.000 description 2
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- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
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- JCUDAMKYTWVICI-UHFFFAOYSA-N 4-benzyl-2,3-dimethylphenol Chemical compound C1=C(O)C(C)=C(C)C(CC=2C=CC=CC=2)=C1 JCUDAMKYTWVICI-UHFFFAOYSA-N 0.000 description 1
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- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
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- 241001414720 Cicadellidae Species 0.000 description 1
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- UZCGKGPEKUCDTF-UHFFFAOYSA-N fluazinam Chemical compound [O-][N+](=O)C1=CC(C(F)(F)F)=C(Cl)C([N+]([O-])=O)=C1NC1=NC=C(C(F)(F)F)C=C1Cl UZCGKGPEKUCDTF-UHFFFAOYSA-N 0.000 description 1
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- 229930014550 juvenile hormone Natural products 0.000 description 1
- 239000002949 juvenile hormone Substances 0.000 description 1
- 150000003633 juvenile hormone derivatives Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- 238000003044 randomized block design Methods 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
- WKEDVNSFRWHDNR-UHFFFAOYSA-N salicylanilide Chemical compound OC1=CC=CC=C1C(=O)NC1=CC=CC=C1 WKEDVNSFRWHDNR-UHFFFAOYSA-N 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Pesticidal combinations containing double third ring worm esters and shuangweiwei, its effective component is double third ring worm esters (A) and shuangweiwei (B), remaining for allow in pesticidal preparations using auxiliary addition agent, the weight fraction ratio of double third ring worm esters (A) and the shuangweiwei (B) are 40: 1~1: 40, and it is 2%~80% that the sum of the weight of double third ring worm esters (A) and shuangweiwei (B), which account for the Pesticidal combination total weight percent,.The present invention is used for the control of insect of crops.Composition of the present invention has significant synergies, and quick-acting and lasting effect are superior to single dose, can reduce the dosage and number of double third ring worm esters and shuangweiwei, mitigates environmental pollution and delays the generation of pest resistance to insecticide.
Description
Technical field
The invention belongs to technical field of agricultural chemical insecticide, and in particular to a kind of desinsection containing double third ring worm esters and shuangweiwei
Composition, and its it is applied to the sucking pests such as aphid, aleyrodid prevention and treatment on crops.
Background technique
Double third ring worm ester (English common names: afidopyropen；Trade name:)；CAS is logged in
Number: 915972-17-7；Molecular formula: C33H39NO9；Relative molecular mass: 593.7；Develop code name: ME5343.Double third ring worm ester hairs
It is propylene class (pyropenes) compound now in biofermentation products, is that Japanese Mingzhi's pharmacy and Japanese Kitasato Kenkyusho (JP) 9-1, Shirokane 5-chome, Minato-ku, Tokyo 108, Japan are common
A kind of brand new of research and development and the insecticide of the prevention and treatment sucking pest with completely new mechanism of action, have and work
Fastly, efficiently, wide spectrum the features such as.Double third ring worm esters can quickly inhibit insect's food-taking, and the virus because of insect Vector transmission is effectively reduced
Disease and bacterial disease；With excellent desinsection (aphid, aleyrodid etc.) effect；Lasting period is long；It is effective to a variety of worm states of pest
(invalid to ovum)；With outstanding blade penetrating power；Its dosage form is unique, and resistance of rainwater washing against can be used for vegetables, fruit tree, intertillage
Crop and ornamental plant etc..
2019, BASF will be listed at home based on 2 products of double third ring worm esters, and brilliant preventive effect is in China
Resistant insect has good application prospect on administering, and double third ring worm esters future market can the phase.
Shuangweiwei (SHIRLAN, IKF-1216) fenoxycarb fenoxycarb
Shuangweiwei also known as Fenoxycarb 25WG, fenoxycarb, the entitled Fenoxycarb of English, molecular formula is C17H19NO4, molecular weight is
301.3371 CAS registration number is 79127-80-3,.Fenoxycarb is the non-terpenes insect growth tune with juvenile hormone activity
Agent insecticides are saved, have both diphenyl ether and molecule carbamate structure most, early by Syngenta Co., Ltd, Switzerland in eighties of last century nine
The ten's were launched, and one of more than ten of retaining variety of 21st century is classified as by Syngenta.To insect have stomach toxicity and
Action of contace poison, and to insect endocrine hormone there are many regulatory function, to Diptera (including mosquito, horsefly, flies, and in agricultural
Upper common bradysia odoriphaga, Liriomyza), coleoptera (such as various beetles for endangering grain), Homoptera (such as leafhopper, brown plant-hopper, aphid
Worm, mealybug), it is Lepidoptera (such as diamondback moth, Asiatic apple leafminer, apple leaf-miner and various Grapholita spps, Ostrinia furnacalis), different
Sub- wing mesh, Thysanoptera (such as thrips), Neuroptera (such as chrysopa septempunctata), 50 various pests of Corrodentia and some acarians, nematode have
Effect.
In agricultural production, the prevention and control of plant diseases, pest control is guarantee crop yield and the essential link of quality, and agriculture section
Grind the key issues of worker's concern.But crop disease and insect is broken out year after year, and also more difficult, the use of pesticide increase year by year for prevention and treatment
Add, pesticide residue pollutes the problems such as environment also more seriously, is unfavorable for the sustainable development of agricultural.
Different classes of agricultural chemical compound science assembles, not only improvement effect, expands prevention spectrum, additionally aids and delays pest anti-
The generation of pharmacological property, reduces dosage, and save the cost reduces the pollution to environment.
The present invention has made intensive studies the combination of double third ring worm esters, shuangweiwei, find double third ring worm esters, shuangweiwei into
Row combination, has obvious synergistic function, while improving in actual use within the scope of certain compound proportion
To the suckings pest such as agricultural pest control efficiency, especially aphid, aleyrodid, after further study, this is completed
Invention.
Summary of the invention
Aiming at the shortcomings in the prior art with problem, the present invention is intended to provide a kind of containing double third ring worm esters and shuangweiwei
Pesticidal combination, the composition have obvious synergistic function, and are suitable for prevention and treatment agricultural pest.
The present invention is achieved by the following technical programs:
A kind of Pesticidal combination containing double third ring worm esters and shuangweiwei, the effective component of Pesticidal combination are double third rings
Worm ester (A) and shuangweiwei (B), remaining for allow in pesticidal preparations using auxiliary addition agent, double third ring worm esters (A) and shuangweiwei
(B) weight fraction ratio is 40: 1~1: 40, and it is total that the sum of the weight of double third ring worm esters (A) and shuangweiwei (B) accounts for Pesticidal combination
Weight percent is 2%~80%.
Preferably, the weight fraction ratio of double third ring worm esters (A) and shuangweiwei (B) are 20: 1~1: 20.
It is highly preferred that the weight fraction ratio of double third ring worm esters (A) and shuangweiwei (B) are 1: 4~4: 1.
Preferably, the sum of the weight of double third ring worm esters (A) and shuangweiwei (B) accounts for Pesticidal combination total weight percent and is
4%-60%.
The Pesticidal combination can be configured to be suitble to appointing for agricultural use according to methods well known to those skilled in the art
Meaning preparation formulation, preferred dosage form are suspending agent, missible oil, aqueous emulsion, microemulsion, wettable powder.
Auxiliary addition agent needed for the Pesticidal combination is solvent, emulsifier, wetting agent, stabilizer, dispersing agent, thickening
The mixing of one or more of agent, pH adjusting agent, defoaming agent, antifreezing agent, packing agent is known substance, is pesticidal preparations
In common various auxiliary agents, can be varied, be not particularly limited according to different situations.
The present invention also provides the applications of the Pesticidal combination, prevent and treat farming for preventing and treating crop pests or as preparation
Effective component in object pest medicament.
Further, crop pests are sucking pest, including but not limited to aphid, aleyrodid.
Further, crops include but is not limited to wild cabbage, capsicum, soybean, cotton and citrus.
Pesticidal combination provided by the invention, is generally used by spray method, and also can according to need using agricultural
Other of upper application use technology.
With prior art ratio, the beneficial effects of the present invention are:
1, the present invention has apparent synergistic work using the Pesticidal combination after pair the third ring worm esters and shuangweiwei compounding
With suitable for the suckings pest such as prevention and treatment agricultural pest, especially aphid, aleyrodid.
2, the present invention compounds the different double third ring worm esters of the mechanism of action and shuangweiwei, can while expanding insecticidal spectrum
To delay the generation of pest resistance to insecticide.
3, the composition after double third ring worm esters of the invention and shuangweiwei compound can improve on crop pest control
Using effect reduces pesticide dosage, reduces residual quantity of the pesticide on crops.
Specific embodiment
Below with reference to embodiment, the present invention is further described, the preparation method of dosage form is routine in embodiment
Method.
Following according to desirable embodiment of the invention is enlightenment, and by following descriptions, related personnel completely can be
In the range of this invention technical idea, various changes and amendments are carried out.The technical scope of this invention is simultaneously
The content being not limited on specification, it is necessary to determine the technical scope according to the scope of the claims.
Pesticidal combination of the present invention can be prepared into suspending agent, missible oil, the water for being suitble to agriculturally use by known method
Emulsion, microemulsion, wettable powder.Example of formulations as described below is only the preferred embodiment of the present invention, and is only used to explain
The present invention, it cannot be construed as a limitation to the scope of the present invention.
Embodiment (one) example of formulations
1,10% pair of the third ring worm ester shuangweiwei cream preparation of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 8%, shuangweiwei raw medicine (folding hundred) 2%, benzyl dimethyl phenol polyethenoxy
Ether 10%, neopelex 5%, heavy aromatic solvent oil complement to 100%, and the above substance is weight percentage.
In proportion weigh each component after by mixing stirring and processing filtering after that is, obtaining can be made into 3% pair of the third ring worm ester
Shuangweiwei cream preparation.
2,10% pairs of the third ring worm ester shuangweiwei suspending agents of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 8%, shuangweiwei raw medicine (folding hundred) 2%, polycarboxylate 2%, alkyl polyoxy
Ethylene ether phosphate salt 2%, block polyoxy polyethers 1%, ethylene glycol 3%, xanthan gum 0.3%, preservative sodium benzoate 0.5%,
Deionized water adds to 100%, and the above substance is weight percentage.
It weighs in proportion and is sanded after each component mixing, filters to get to 10% pair of the third ring worm ester shuangweiwei suspending agent.
3,12% pairs of the third ring worm ester shuangweiwei microemulsions of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 10%, shuangweiwei raw medicine (folding hundred) 2%, N-Methyl pyrrolidone 5%,
Agriculture breast 220#3%, this disk -60#3%, agriculture breast 160#4%, epoxidized soybean oil 5%, benzoic acid 4%, sorbierite 5%, spend from
Sub- water supplies 100%, and the above substance is weight percentage.
It can be prepared by 12% pair of the third ring worm ester shuangweiwei microemulsion by mentioned component is processed according to a conventional method.
4,12% pairs of the third ring worm ester shuangweiwei aqueous emulsions of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 10%, shuangweiwei raw medicine (folding hundred) 1%, nonyl phenol phosphate 6%, alkane
Base phenol polyethenoxy ether 5%, n-butanol 4%, dimethylbenzene 25%, pyrrolidones 20%, xanthan gum 0.1%, deionized water is supplied
To 100%, the above substance is weight percentage.
Each component is weighed in proportion, dissolves n-butanol and water to form water phase, remaining component is mixed to form oily phase,
Slowly water phase is added in oily phase under cutter effect, and continues shearing 10~30 minutes, 12% double third ring worms are made
Ester shuangweiwei aqueous emulsion.
5,18% pairs of the third ring worm ester shuangweiwei suspending agents of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 10%, shuangweiwei raw medicine (folding hundred) 8%, alkyl polyoxyethylene ether phosphoric acid
Ester salt 4%, block polyoxy polyethers 1%, silicone compound 0.15%, ethylene glycol 3%, xanthan gum 0.3%, preservative benzoic acid
Sodium 0.5%, deionized water add to 100%, and the above substance is weight percentage.
It is weighed after each component mixes in proportion and is sanded, filters, that is, 20% pair of the third ring worm ester shuangweiwei suspending agent is made.
6,20% pairs of the third ring worm ester shuangweiwei missible oil of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 15%, shuangweiwei raw medicine (folding hundred) 5%, calcium dodecyl benzene sulfonate
8%, phenethyl phenol polyethenoxy ether 6%, dimethylbenzene supply 100%, and the above substance is weight percentage.
All raw materials are routinely prepared after weighing each component in proportion and are mixed in the method investment mixing kettle of missible oil, can be made
At 20% pair of the third ring worm ester shuangweiwei missible oil.
7,30% pairs of the third ring worm ester shuangweiwei wettable powders of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 18%, shuangweiwei raw medicine (folding hundred) 12%, alkyl phenol polyoxyethylene ether
3%, lauryl sodium sulfate 4%, white carbon black 10% add kaolin to complement to 100%, and the above substance is weight percentage.
Weigh in proportion after each component by all raw material mixed powders it is broken after can be made into 30% pair of the third ring worm ester shuangweiwei
Wettable powder.
8,51% pairs of the third ring worm ester shuangweiwei water dispersible granules of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 50%, shuangweiwei raw medicine (folding hundred) 1%, Negel 6%, alkane
Base calcium sulfate 5%, carboxymethylcellulose sodium 4% add to 100% with diatomite, and the above substance is weight percentage.
It can be made into 51% double third rings after in proportion mixing all raw materials in micronizer after weighing each component
Worm ester shuangweiwei wettable powder.
9,50% pairs of the third ring worm ester shuangweiwei missible oil of example of formulations
Formula: double third ring worm ester raw medicines (folding hundred) 30%, shuangweiwei raw medicine (folding hundred) 20%, calcium dodecyl benzene sulfonate
7%, phenethyl phenol polyethenoxy ether 6%, dimethylbenzene supply 100%, and the above substance is weight percentage.
All raw materials are routinely prepared after weighing each component in proportion and are mixed in the method investment mixing kettle of missible oil, can be made
At 50% pair of the third ring worm ester shuangweiwei missible oil.
Embodiment (two) indoor biological activity assay and field efficacy verifying
Test example 1, different ratio are to the indoor toxicity test of aphid
Experimental design: test pest is aphid, and selected insect source is acquired from Nanchang County, Nanchang City farm Wu Yang, indoor wild cabbage
Toxicity test is carried out after raising for 3 generations, joint toxicity measuring method is referring to " in People's Republic of China's agricultural industry criteria pesticide room
Bioassay test criterion NY/T 1154.14-2008 " it carries out.It is used again after double third ring worm esters and shuangweiwei raw medicine acetone solution
Water dilution is configured to mother liquor, devises 7 groups of proportions according to mix ratio, each single dose and every group of compounding agent are set according to the method for waiting ratios
It is stand-by to set 5 series mass concentration, cabbage leaves avoid vein and are cut into the disk that diameter is about 5cm, leaf dish are made, by what is made
It takes out and dries after leaf dish immersion dosing solutions 10s to be measured, be then placed in bottom and be covered in the culture dish of moisturizing filter paper, access is big
Small consistent 3 instar larvae, each culture dish access test worm number 20, and each processing is repeated 5 times, to be free of the coordinative solvent of medicament
As blank control.It is 25 DEG C that the test worm come out of the stove, which is put into humidity, relative humidity 70%, the weather of photoperiod L: D=16: 8h
It is raised in incubator, 48h checks the death condition of test worm after processing, touches motionless person with writing brush and is considered as death, and record is total respectively
Borer population and dead borer population calculate corrected mortality.
Using the logarithm of drug concentration (mg/L) as independent variable x, the probit value with corrected mortality is y, establishes poison respectively
Power regression equation, it is for statistical analysis with DPS 7.05, count the LC of each medicament50.Calculate the co-toxicity coefficient of compound drug mixture
(CTC)。
Calculation formula is as follows:
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent LC50)×100；
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent；
Co-toxicity coefficient (CTC)=ATI/TTI × 100；
According to the criteria for classifying of co-toxicity coefficient (CTC), CTC < 80 is antagonism, and 80 < CTC < 120 are summation action,
CTC > 120 is synergistic effect.
Test result:
1 pair of the third ring worm ester (A) of table is with shuangweiwei (B) different ratio to the indoor toxicity test of aphid
As shown in Table 1, the combination after double third ring worm esters compound in the range of 1~40:40~1 with the weight ratio of shuangweiwei
Object, CTC are all larger than 120, show good synergistic effect, rather than are simply added effect, wherein double third ring worm esters with
CTC is maximum when the weight ratio of shuangweiwei is 1: 4, shows that the optimum weight ratio of double third ring worm esters and shuangweiwei is 1: 4.
According on the basis of indoor joint toxicity measuring result we specify the synergy area of double third ring worm esters and shuangweiwei
Between, carry out field efficacy verifying again on this basis with the practical drug effect of each proportion of determination.
The field trial of test example 2, double third ring worm esters and shuangweiwei composition to cabbage aphid
Test method: subjects are aphid, and test is carried out in the Nanchang City, Jiangxi Province county Wu Yang, and the testing site of selection is sweet
Lan Di, wild cabbage grow fine, aphid damage full incidence period.Test method is referring to " National Standard of the People's Republic of China's pesticide field
Test rule GB/T 1464.27-2010 ", radix investigation before being administered, 5 points of each cell samplings, count every by every 5 plants of label
Work borer population in a mark point on all plant.Same method checks remaining borer population living in 3d, 7d, 14d after application and observation is
It is no to have phytotoxicity, calculate Revision insect recluced rate and control efficiency.Cell uses RANDOMIZED BLOCK DESIGN, a cell as a repetition,
Each chemicals treatment is repeated 4 times.Test medicine is the preparation in embodiment (one), and control group is 10% pair of the third ring worm ester pesticide cream
Oil (control A), 8% shuangweiwei agricultural chemicals suspension agent (control B), separately set the blank control test (CK) that clear water is not administered, medicament is equal
It is provided by Jiangxi Zheng Bang crop protection Co., Ltd.Test result is shown in Table 2.
Drug effect calculation method:
Total borer population × 100 before Revision insect recluced rate (%)=(insect population-residual borer population living before medicine)/medicine；
Preventive effect (%)=(one check plot Revision insect recluced rate for the treatment of region Revision insect recluced rate)/(check plot 100- Revision insect recluced rate)
×100。
2 pairs of the third ring worm esters of table and shuangweiwei composition for preventing and controlling cabbage aphid test result
From table 2 it can be seen that double third ring worm esters and shuangweiwei compounding after composition after medicine 7d for prevent and treat brevicoryne brassicae
The preventive effect of worm 14d after 90% or more, medicine is 88.07%-98.29% for the preventive effect for preventing and treating cabbage aphid, aobvious
The preventive effect better than double third ring worm ester single doses and shuangweiwei single dose is write, there is good quick-acting and lasting effect, illustrates double third ring worms
Ester has apparent synergistic effect, rather than simple summation action after compounding according to a certain percentage with shuangweiwei.Meanwhile it protecting
When holding excellent preventive effect, the administration dosage of composition is far below the administration dosage of each single dose.
The field control effectiveness test of test example 3, shuangweiwei and double third ring worm ester compositions to capsicum
Experimental design: using aleyrodid as subjects, testing and carry out in the capsicum field of Yunnan Province Yuxi Tonghai County, test side
Method is referring to " National Standard of the People's Republic of China's pesticide field efficacy medicine test criterion (two) GB/T 17980.16-2000 ".Test
The investigation of Shi Jinhang radix, experimental plot are arranged with random district's groups, and every cell uses 5 point samplings, 10 plants of capsicums of every investigation, system
Borer population living is counted, the remnants that 3d, 7d, 21d investigate each cell with same method after application borer population living has simultaneously seen whether phytotoxicity, counts
Revision insect recluced rate and opposite control efficiency are calculated, each chemicals treatment is repeated 4 times.Test medicine is system obtained in embodiment (one)
Agent 2 (i.e. 18% pair of the third ring worm ester shuangweiwei suspending agent), comparison medicament are 10% pair of the third ring worm ester emulsifiable concentrates for agricultural chemicals (control A),
8% shuangweiwei agricultural chemicals suspension agent (control B), separately sets the blank control test (CK) that clear water is not administered, medicament is by the positive nation in Jiangxi
Crop protection Co., Ltd provides.Test result see the table below 3.
Drug effect calculation method:
Total borer population × 100 before Revision insect recluced rate (%)=(insect population one remains borer population living before medicine)/medicine；
Control efficiency (%)=(treatment region Revision insect recluced rate-check plot Revision insect recluced rate)/(check plot 100- insect population decline
Rate) × 100.
3 pairs of the third ring worm esters of table and shuangweiwei composition for preventing and controlling capsicum aleyrodid pharmacodynamic test result
From table 3 it is observed that shuangweiwei compounded with double third ring worm esters after composition to 3d after the medicine of capsicum aleyrodid
Preventive effect is significantly improved compared with shuangweiwei single dose, the preventive effect of double third ring worm ester single doses, and shuangweiwei and double third ring worm esters are multiple
Composition after matching still reaches 85% or more to the preventive effect of 14d after the medicine of aleyrodid, shows shuangweiwei and double third ring worm esters one
Also there is after compounding within the scope of certainty ratio to aleyrodid excellent preventive and therapeutic effect, and there is good quick-acting and duration；And it is double
Oxygen prestige compound with double third ring worm esters after composition amount of application and shuangweiwei single dose, 3 amount of application phases of double third ring worm ester single doses
Than preventive effect is still just excellent while dosing reduces.
In conclusion Pesticidal combination provided by the invention has apparent synergistic effect to the control of insect of crops,
The dosage of medicament can be reduced, drug cost is reduced, reduces environmental pollution, be worth in agriculturally large-scale promotion application.
Claims (7)
1. a kind of Pesticidal combination containing double third ring worm esters and shuangweiwei, it is characterised in that: the Pesticidal combination it is effective
Ingredient is double third ring worm esters (A) and shuangweiwei (B), remaining be allow in pesticidal preparations using auxiliary addition agent；Double third rings
The weight fraction ratio of worm ester (A) and the shuangweiwei (B) are 40: 1~1: 40；Double third ring worm esters (A) and shuangweiwei (B)
It is 2%~80% that the sum of weight, which accounts for the Pesticidal combination total weight percent,.
2. Pesticidal combination according to claim 1, it is characterised in that: double third ring worm esters (A) and the shuangweiwei
(B) weight fraction ratio is 20: 1~1: 20.
3. Pesticidal combination according to claim 1, it is characterised in that: double third ring worm esters (A) and the shuangweiwei
(B) weight fraction ratio is 1: 4~4: 1.
4. Pesticidal combination according to claim 1, it is characterised in that: double third ring worm esters (A) and the shuangweiwei
(B) it is 4%-60% that the sum of weight, which accounts for the Pesticidal combination total weight percent,.
5. Pesticidal combination described in Claims 1-4 any one is applied to prevention and treatment crop pests or prevents and treats agriculture as preparation
Effective component in crop pest medicament.
6. Pesticidal combination according to claim 5, it is characterised in that: the crop pests are sucking mouth parts evil
Worm, including but not limited to aphid, aleyrodid.
7. Pesticidal combination according to claim 5, it is characterised in that: the crops include but is not limited to wild cabbage, peppery
Green pepper, soybean, cotton and citrus.
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