CN103609571A - Emamectin benzoate and abamectin containing pesticidal composition - Google Patents
Emamectin benzoate and abamectin containing pesticidal composition Download PDFInfo
- Publication number
- CN103609571A CN103609571A CN201310622640.1A CN201310622640A CN103609571A CN 103609571 A CN103609571 A CN 103609571A CN 201310622640 A CN201310622640 A CN 201310622640A CN 103609571 A CN103609571 A CN 103609571A
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- CN
- China
- Prior art keywords
- avermectin
- abamectin
- pesticidal composition
- emamectin benzoate
- dimension salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 230000000361 pesticidal effect Effects 0.000 title claims abstract description 31
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to an emamectin benzoate and abamectin containing pesticidal composition. The effective components of the pesticidal composition are the binary compound of emamectin benzoate and abamectin. The mass ratio of the emamectin benzoate to the abamectin is (1-50):(50-1), the mass fraction ratio of the effective components including the emamectin benzoate and the abamectin in the preparation is 1-80%, the remaining components of the pesticidal composition are auxiliary components allowably used and received in pesticides, and the dosage form of the pesticidal composition is missible oil, suspending agent, wettable powder, water dispersible granule, emulsion in water, microemulsion, granula, microcapsule and water aqua. The pesticidal composition is mainly used for preventing and controlling insect pests such as red-belt tortrix, myzus persicae and noctuid, cotton bollworms, tobacco hornworms, plutella xylostella armyworms, asparagus caterpillar, dry-land laphygma exiguaHiibner, cabbage loopers, cabbage plusia agnata staudinger, imported cabbageworms, red spiders and the like on vegetables and fruits.
Description
Technical field
The present invention relates to agriculture chemical compounding technical field, particularly relate to a kind of Pesticidal combination that contains first dimension salt and Avermectin.
Background technology
Avermectin is that a class of first being developed by the large village of university, Japanese North Zhi Denghe U.S. Merck company has desinsection, kills mite, ten hexa-atomic Macrocyclic lactone compounds of eelworm-killing activity, in streptomycete, streptomyces griseus fermentation produces, and mite class and insect are had to stomach toxicity and action of contace poison.Spray leaf surface and can decompose rapidly dissipation, the active component infiltrating in plant parenchyma can be present in tissue and have conduction the long period, to taking food the insect of harm in evil mite and plant tissue, has long residual effect.Be mainly used in antagonism insect, as diamond-back moth, leaf miner, two spotted spider mite.
First dimension salt is a kind of new and effective semisynthetic antibiotics insecticide that starts to synthesize from fermented product AVERMECTIN B1, it has super-high-efficient, low toxicity (preparation is closely nontoxic), low-residual, the nuisanceless feature that waits biopesticide, with Avermectin first insecticidal activity improved 3 orders of magnitude, activity to the larva of lepidopterous insects and other many insects is high, existing stomach poison function is double action of contace poison again, under low-down dosage (0.084 ~ 2g/ha), there is good effect, and in the process of pest control, beneficial insect is not injured, be conducive to the integrated control to insect, expanded in addition insecticidal spectrum, reduced the toxicity to people and animals.The a lot of insects of first dimension salt pair have the incomparable activity of other agricultural chemicals, especially to Lepidoptera, diptera, super-high-efficient, as (beetle neither belong to Lepidoptera and diptera) such as red tape leaf roller, cigarette aphid noctuid, cotton bollworm, maduca sexta, diamond-back moth mythimna separata, beet armyworm, the greedy noctuid in nonirrigated farmland, cabbage looper, cabbage looper, imported cabbageworm, cabbage heart snout moth's larva, wild cabbage horizontal stripe snout moth's larva, tomato hawkmoth, colorado potato beetle, Mexico ladybugs.
?in the real process of agricultural production, using chemical agent is the most effectively means of control plant pest, but the problem the most easily producing by chemical control insect is the generation of pest resistance to insecticide.And long-term use single chemical insecticide continuously high dose, easily cause the series of problems such as residual, environmental pollution of medicament.Reasonably chemical insecticide is composite or be mixed and have expansion insecticidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay pest resistance and the positive feature such as drug-fast generation and development, pesticide compositional or to be mixed be one of the effective method the most addressing the above problem.We filter out first dimension salt and abamectin compounded on the basis of lab screening and field trial, have obvious synergistic effect.And about first dimension salt with abamectin compounded Pesticidal combination and apply and there is no at present people and reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective agricultural insecticide composition, and the insect pests such as noctuid, cabbage looper, cabbage looper, imported cabbageworm, two spotted spider mite are coveted in the red tape leaf roller, cigarette aphid noctuid, cotton bollworm, maduca sexta, diamond-back moth mythimna separata, beet armyworm, the nonirrigated farmland that are mainly used in preventing and treating on vegetables and fruit.
Technical scheme of the present invention realizes by following measures:
A kind of Pesticidal combination that contains first dimension salt and Avermectin, in this Pesticidal combination, the mass ratio of active ingredient first dimension salt and Avermectin is 1～50: 50～1, described Pesticidal combination of the present invention is through toxicity test experimental verification, the mass ratio of first dimension salt and Avermectin is 1～40: 40～1 o'clock, synergistic effect was better.
The formulations of pesticide that described Pesticidal combination of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations, aqua.First dimension salt and the gross mass of Avermectin in preparation account for 1%～80% of the whole quality of the pharmaceutical preparations, while wherein accounting for 1%～50%, and toxicity and residually reach good balance, cost is also lower.
The specific embodiments of the formulations of pesticide that Pesticidal combination of the present invention is mixed with is as follows:
Described Pesticidal combination is cream preparation, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 10～30 parts of conventional emulsifiers; 20～50 parts of conventional solvents; 1～5 part of conventional synergist.The concrete production stage of this cream preparation is for first adding active ingredient first dimension salt and Avermectin in solvent the oily liquids that becomes transparent and homogeneous after adding again emulsifier, synergist to stir after dissolving completely, filling, can be made into the cream preparation of the present composition.
Described Pesticidal combination is suspending agent, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 5～20 parts of dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; 0～10 part of penetrating agent; 0.1～5 part of pH value conditioning agent; Water, surplus.The concrete production stage of this suspending agent is for first mixing other auxiliary agents, through high speed shear, mix, add active ingredient first dimension salt and Avermectin, in ball crusher, abrading-ball is 2～3 hours, make a diameter all below 5mm, can be made into the suspending agent preparation of the present composition.
Described Pesticidal combination is wetting powder, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 3～10 parts of dispersants; 1～5 part of wetting agent; Filler, surplus.The concrete production stage of this wetting powder is: by above-mentioned formula, active ingredient first dimension salt is mixed with Avermectin and dispersant, wetting agent and filler, uniform stirring in stirred tank, after airslide disintegrating mill, mixing, can be made into the wetting powder of the present composition.
Described Pesticidal combination is water dispersible granules, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 3～10 parts of dispersants; 1～10 part of wetting agent; 1～5 part of disintegrant; Filler surplus.The concrete production stage of this water dispersible granules is: by above-mentioned formula, active ingredient first dimension salt is mixed with Avermectin and dispersant, wetting agent, disintegrant and filler, with micro jet, pulverize, through mediating, then add and in fluidized bed prilling dryer, carry out granulation, dry, screening by sample analysis, can be made into the water dispersible granules of the present composition.
Described Pesticidal combination is aqueous emulsion, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 3～30 parts of emulsifier; 5～15 parts of solvents; 2～15 parts of stabilizing agents; 1～5 part of antifreezing agent; 0.1～8 part of defoamer; 0.2～2 part of thickener; Water, surplus.The concrete production stage of this aqueous emulsion is: first first is tieed up to salt and Avermectin, solvent and emulsifier, cosolvent is added together, and makes to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When reactor high speed stirs, oil phase is added to water, slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, can be made into the aqueous emulsion of the present composition.
Described Pesticidal combination is microemulsion, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 10～30 parts of emulsifier, 1～8 part of antifreezing agent, 0.5～10 part of stabilizing agent, 20～50 parts of conventional solvent cosolvents.First is tieed up to salt and Avermectin is dissolved completely with cosolvent, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, evenly mix, finally add water, after fully stirring, can be made into microemulsion.
Described Pesticidal combination is granule, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 1～10 part of wetting dispersing agent; 0.1～5 part of thickener; 0.1～5 part of defoamer; Castor oil, surplus is supplied.Each components such as active ingredient first dimension salt and Avermectin, dispersant, stabilizing agent, defoamer and solvent are mixed by the ratio of filling a prescription, put into after the grinding of sand milling still, send in mixer for well-distribution and mix and get product.
Described Pesticidal combination is microcapsule formulations, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 5～20 parts, urea; 5～20 parts, formaldehyde; 5～20 parts of emulsifying dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; Water, surplus.In being housed, the there-necked flask of agitating device adds urea and formaldehyde (amount of substance ratio is about l:1.5～2.0), left and right, pH value to 8～9 with sodium hydroxide solution regulator solution, then be warming up to 70～80 ℃, reaction obtains stable urea resin prepolymer.Get a certain amount of first dimension salt and be dissolved in cyclohexane with the former medicine of Avermectin, and add emulsifying dispersant in solution, follow vigorous stirring, be made into take and contain the O/W type stable emulsion that the aqueous solution of emulsifying dispersant is water.Above-mentioned urea resin prepolymer is added in emulsion, regulate pH value, polymerization reaction take place under acid catalysis condition, is wrapped oil phase substance, forms microcapsule granule.Slowly heat up, solidify, temperature is controlled at 40～50 ℃, hardening time 1h.Selection adds appropriate auxiliary agent, the microcapsules that gets final product stablely.
Described Pesticidal combination is aqua, and the mass fraction of component is: 1～50 part of first dimension salt; 1～50 part of Avermectin; 0.1～30 part of wetting dispersing agent; 2～8 parts of antifreezing agents; 0.1～1 part of defoamer; 0.1～3 part of thickener; 5～15 parts of spreader-stickers; Water, surplus is supplied.Active ingredient first is tieed up to salt and Avermectin, with cosolvent, dissolved completely, then add other compositions such as dispersant, antifreezing agent, defoamer, evenly mix, finally add water, after fully stirring, get final product to obtain finished product.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any or more than one any mixtures than forming in polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture forming.
It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,201108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, and Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen is phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, a kind of in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more of fatty alcohol.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in precipitated calcium carbonate.
The present invention be take active ingredient and is that the compounded pesticides of first dimension salt and Avermectin has obvious synergistic effect, delay the drug-fast generation in key, and reduced to become to produce cost and use cost, the insect pests such as noctuid, cabbage looper, cabbage looper, imported cabbageworm, two spotted spider mite are coveted in the red tape leaf roller, cigarette aphid noctuid, cotton bollworm, maduca sexta, diamond-back moth mythimna separata, beet armyworm, the nonirrigated farmland that are mainly used in preventing and treating on vegetables and fruit.
Embodiment
For making technical scheme of the present invention, object and advantage are clearer, and the present invention describes with following specific embodiment, but the present invention is not limited to these examples.The mode that effect experiment of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio of below mentioning is all ratio of quality and the number of copies.
Embodiment: first dimension salt proportioning co-toxicity experiments different from Avermectin.
1.1 reagent agent
The former medicine of 90% first dimension salt, 96% the former medicine of Avermectin amine, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test targets
Diamond-back moth: the third-instar larvae of the responsive type diamond-back moth that 5 generations of indoor continuous raising and its Individual Size are consistent with physiological status.Temperature (25 ± 2) ℃.Relative moisture 65% ± 5%, periodicity of illumination 12/12h (L/D).
1.3 experimental procedure
1.3.1 medicament preparation
First use the former medicine of acetone solution, according to the result of preliminary experiment, two appropriate former medicines are made into several different proportionings, then it is stand-by with acetone, each processing to be diluted to respectively to several concentration gradients.
The drop method that adopts NY/T1 154.1-2006 to recommend is measured.By micro intravenous drip device solvent clean, regulate dropper to stand-by state.With writing brush, choose the examination worm CO of neat and consistent
2slight paralysis is placed in 9cm culture dish, then with micro intravenous drip device, medicament is dripped to the belly of polypide by head, every some drops physic liquor 0.1L, the corresponding acetone containing with drop 0.1L be treated to contrast, the examination worm after drop is moved to (28
2) ℃, in the culture dish of relative moisture 75%, normally cultivate.Every processing repeats for 4 times, 20 examination worms of every repetition.
1.4 control time
After processing, 24h investigation examination worm death condition (judgement examination worm death standard is gently to sting without autonomic response with pin), records total borer population and dead borer population.
1.5 data statistics and analysis
According to investigation statistics, calculate the corrected mortality that each is processed.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1 154.7-2006.If contrast lethality <5%, does not proofread and correct, contrast lethality, between 5%-20%, is proofreaied and correct by formula 2, contrast lethality >20%, and test need be reformed.
The logarithm value of drug concentration (mg/L) of take is independent variable X, and the probability value of corrected mortality of take is dependent variable y, sets up respectively virulence regression equation formula, adopts DPS software to calculate the LC of single dose and each proportioning mixture
50according to the abundant method of Sun Yun, calculate co-toxicity coefficient (CTC).Co-toxicity coefficient CTC, computing formula is as follows: (first of take dimension salt is standard medicament, and its toxicity index is 100):
The EC of the toxicity index of Avermectin (TI)=first dimension salt
50the EC of/Avermectin
50* 100
The EC of the true toxicity index (ATI) of M=first dimension salt
50the EC of/M
50* 100
TI * P Avermectin of TI * P first dimension salt+Avermectin of the theoretical toxicity index (TTI) of M=first dimension salt
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In formula:
M is first dimension salt and the mixture of the different proportionings of Avermectin
P first dimension salt is first dimension salt shared ratio in mixture
P Avermectin is Avermectin shared ratio in mixture.
2.1 toxicity test results
The indoor measurement result of table 1 first dimension salt and Abamectin on Plutella
As can be seen from the table, while being 1:50～50:1 dilution in active ingredient first dimension salt and Avermectin ratio, its co-toxicity coefficient is all greater than 120, shows certain synergistic effect, and the synergistic effect that wherein first dimension salt and Avermectin are 1:10～10:1 is the most obvious.Result of the test shows, at indoor conditions carapax et plastruw testudinis dimension salt, with abamectin compounded, diamond-back moth all had to higher activity, advises suitable proportion 1:10～10:1 left and right mixture preparation to carry out further field control effectiveness test, to evaluate its field practical application effect.
3, the experimental result of field trial control diamond-back moth, cotton bollworm
3.1 field trial control diamond-back moths
3.1.1 test method
Test is carried out at Kaiping City, Guangdong Province suburb truck garden.By each, process design concentration and carry out routine to water spray.Spraying equipment is WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out routine spraying, makes every effort to evenly thoughtful during spray medicine.During dispenser, field diamond-back moth is 1～2 instar larvae peak period.
3.1.2 investigation method
In dispenser Qian Mei community by 5 samplings of diagonal. every wild cabbage 2～3 strains (depending on insect density) of choosing Eggs of Diamondback Moth and larva.Statistics is demarcated diamondback moth larvae head number in strain. using this as dispenser before insect population radix.Within the 1st day, 3 days, 7 days after dispenser, investigate respectively the diamondback moth larvae number of determining residual survival in strain. using and proofread and correct insect population decline rate as control efficiency.
3.1.3 drug effect computational methods
Insect population decline rate (%)=(larva number after medicine prelarva number-medicine)/medicine prelarva number * 100
Preventive effect (%)=(treatment region insect population decline rate-contrast insect population decline rate)/(100-check plot insect population decline rate) * 100.
3.1.4 poisoning investigation method
Within 7 days after medicine, observe wild cabbage growing state, range estimation medicament to wild cabbage without poisoning.
3.1.5 field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, by different consumptions, carry out field experiment, after medicine, its control efficiency to diamond-back moth is better than contrasting medicament, with first dimension salt and Avermectin with the composite control of 1:3 ratio diamond-back moth instant effect, efficiency time is long, and control efficiency is good, and insecticidal effect increases progressively along with the increase of consumption.This is mixed, and can effectively control the harm of diamond-back moth to host, to the raising of quality of vegetable with increase production significantly, has stronger popularizing value.
3.2 field trial control cotton aphids
3.2.1 test method
Test Zhang Wuzhuan village, the careless villages and small towns Cotton Fields in Chengwu County and carry out, soil is clay, the cultivation condition of middle fertility ，Ge community, water and fertilizer management uniformity.Cotton variety is transgenic cotton against pests Lumianyan 15.
3.2.2 investigation method
5 samplings of experimental plot inner opposite angle line, fix 4 strains at every, and every strain is 3 of upper, middle and lower leaf fixedly, 60 leaves of fixing investigation 20 strain altogether, and 1d before medicine and after dispenser, 3d, 7d checks the remaining borer population of living, and calculates insect population decline rate and control efficiency.
3.2.3 drug effect computational methods
Insect population decline rate (%)=(larva number after medicine prelarva number-medicine)/medicine prelarva number * 100
Preventive effect (%)=(treatment region insect population decline rate-contrast insect population decline rate)/(100-check plot insect population decline rate) * 100.
3.2.4 poisoning investigation method
Within 7 days after medicine, observe cotton growth situation, range estimation medicament to cotton without poisoning.
3.2.5 field control effectiveness test result
As can be seen from Table 3, the Mixed Pharmacy of different proportion, by different consumptions, carry out field experiment, after medicine, its control efficiency to aphid is better than contrasting medicament, first dimension salt and Avermectin are with the composite anti-instant effect that eliminates aphis of 1:3 ratio, efficiency time is long, and control efficiency is good, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication is processed cotton is not all produced to poisoning.To the raising of cotton quality with increase production significantly, there is stronger popularizing value.
To sum up described in indoor biometrics and twice field experiment result, of the present inventionly take first dimension salt and Avermectin and carry out two yuan of composite Pesticidal combinations as active ingredient, to diamond-back moth, the insects such as cotton aphid show good control efficiency, to target crop safety, compare with single dose, Pesticidal combination of the present invention has mechanism of action uniqueness, unit consumption is few, quick-acting is good, lasting period is long, the plurality of advantages such as effect field is more wide in range, to plant insect pest, can there is better control, so, in research and development of the present invention and promotion conference, produce very large economic worth, to vast vegetables, the protection tool of the increasing both production and income of the peasant household in fruit tree producing region and local environment is of great significance.
Claims (4)
1. one kind contains the Pesticidal combination that first is tieed up salt and Avermectin, it is characterized in that: active ingredient first dimension salt and two yuan of the Avermectin of this Pesticidal combination are composite, all the other are auxiliary element, and wherein the mass ratio of active ingredient first dimension salt and Avermectin is 1～50: 50～1.
2. Pesticidal combination according to claim 1, is characterized in that: first dimension salt and the gross weight of Avermectin in preparation account for 1%～80% of the whole quality of the pharmaceutical preparations.
3. Pesticidal combination according to claim 3, is characterized in that: first dimension salt and the gross weight of Avermectin in preparation account for 1%～50% of the whole quality of the pharmaceutical preparations.
4. according to the Pesticidal combination described in claim 1 or 2 or 3, it is characterized in that: the formulation of this Pesticidal combination is missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations, aqua
.
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| CN107156180A (en) * | 2017-06-22 | 2017-09-15 | 北京清源保生物科技有限公司 | A kind of Pesticidal combination and its application containing botanical pesticide |
| CN113367164A (en) * | 2018-03-02 | 2021-09-10 | 中国农业科学院棉花研究所 | Method for extracting castor-oil plant insecticidal active substance and combined application of castor-oil plant insecticidal active substance and microbial source insecticide |
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| CN101627762A (en) * | 2009-08-18 | 2010-01-20 | 青岛星牌作物科学有限公司 | Composite of insecticides, miticides and nematicide with synergistic effect and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107156180A (en) * | 2017-06-22 | 2017-09-15 | 北京清源保生物科技有限公司 | A kind of Pesticidal combination and its application containing botanical pesticide |
| CN113367164A (en) * | 2018-03-02 | 2021-09-10 | 中国农业科学院棉花研究所 | Method for extracting castor-oil plant insecticidal active substance and combined application of castor-oil plant insecticidal active substance and microbial source insecticide |
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