CN107136116B - Molluscicide composition containing emamectin benzoate - Google Patents
Molluscicide composition containing emamectin benzoate Download PDFInfo
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- CN107136116B CN107136116B CN201710578444.7A CN201710578444A CN107136116B CN 107136116 B CN107136116 B CN 107136116B CN 201710578444 A CN201710578444 A CN 201710578444A CN 107136116 B CN107136116 B CN 107136116B
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- emamectin benzoate
- carbaryl
- molluscicide composition
- molluscicide
- ampullaria gigas
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- 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
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
- A01N55/02—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur containing metal atoms
- A01N55/04—Tin
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- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N47/22—O-Aryl or S-Aryl esters thereof
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- 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 molluscicide composition containing emamectin benzoate, carbaryl or triphenyltin acetate, which belongs to the field of mollusc chemical control. The synergistic ratio of indoor bioassay of the molluscicide composition to ampullaria gigas is 20: 1-1: 20. The composition has the characteristics of obvious synergistic effect, good prevention effect, low dosage, biological safety to environment and targets, multiple treatments with one medicament and the like, can treat other soft body pests (such as oncomelania, slug and the like) and has a good effect of slowing down the drug resistance of the ampullaria gigas to the medicament.
Description
Technical Field
The invention belongs to the field of chemical prevention and control of pests, and particularly relates to a compound molluscicide for preventing and controlling mollusks such as snails, in particular ampullaria gigas.
Background
Pomacea canaliculata (Pomacea canaliculata) is an amphibian freshwater shellfish mollusk, also known as big bottle snail, golden treasure snail and snow snail. Due to the characteristics of wide host range, large food intake, poor appetite, strong stress tolerance, wide adaptability and quick reproductive capacity, the ampullaria gigas are quickly overflowed and damaged in China. The rice seedlings are host crops which are favored by the ampullaria gigas, and the ampullaria gigas quickly becomes malignant aquatic animals which harm rice, thereby seriously threatening the rice production. The ampullaria gigas are distributed in the south of the Yangtze river of China and spread to the north at a speed of 8-10 kilometers each year. In 2000, the world committee on experts in invasive species of the nature protection alliance listed the snail as one of 100 malignant invasive species in the world. The national environmental protection agency listed the snail as one of the 16 "most harmful foreign species" of the first invasion in 2003. If the ampullaria gigas is not reasonably and effectively prevented and treated, the rice damage area in China is further enlarged.
Emamectin Benzoate, a full-name Emamectin Benzoate, is a novel high-efficiency semi-synthetic antibiotic pesticide, has the characteristics of biological pesticides such as ultra-high efficiency, low toxicity, low residue, no public nuisance and the like, has extremely high activity on lepidoptera insect larvae and other pests, and has stomach toxicity and contact poisoning effects.
Carbaryl, also known as carbaryl, whose chemical name is 1-naphthyl-N-methylcarbamate, is used for borer, rice leaf roller, cotton bollworm and the like on crops such as rice, cotton, fruit trees and the like. Has contact poisoning and stomach poisoning effects, and can inhibit death of pests caused by cholinesterase in nervous system.
The triphenyltin acetate, also named as styrene, summer pestilence tin and the like, has good prevention effect on preventing and treating beet brown spot, potato late blight, soybean anthracnose, rice blast and the like, and also has special prevention effect on ampullaria gigas, algae, water snails and the like.
Hitherto, no report on mollusk control of ampullaria gigas and the like by mollusk killing agent composition of emamectin benzoate, carbaryl and triphenyltin acetate has been found.
The invention content is as follows:
the invention aims to provide a molluscicide composition for preventing and treating ampullaria gigas, which is prepared by mixing emamectin benzoate and carbaryl or triphenyltin acetate in a certain ratio, is used for preventing and treating ampullaria gigas, has good effect and low dosage, and can well delay the resistance of the ampullaria gigas to medicaments such as metaldehyde and the like.
The technical scheme adopted by the invention is as follows:
a molluscicide composition containing emamectin benzoate is characterized in that: the preservative consists of active ingredients A and B and auxiliary components, wherein A is emamectin benzoate, B is carbaryl or triphenyltin acetate, and the total weight percentage of the active ingredients is 1-90%.
The molluscicide composition according to claim 1, wherein: the weight ratio of A to B in the molluscicide composition is 20: 1-1: 20.
The molluscicide composition according to claim 1, wherein: the weight ratio of A to B in the molluscicide composition is 10: 1-1: 5.
The molluscicide composition according to claim 1, wherein: the molluscicide composition is prepared from missible oil, a suspending agent, a water dispersible granule, a wettable powder, an aqueous emulsion and a microcapsule suspending agent.
When the invention is missible oil, the weight percentage of each component is as follows:
emamectin benzoate: 1 to 45 percent
Carbaryl/triphenyltin acetate: 1-10%
Solvent: 3 to 30 percent
Emulsifier: 5 to 15 percent of
The molluscicide composition missible oil is specifically processed by the following steps: the emamectin benzoate and the carbaryl/triphenyl tin acetate are dissolved by the solvent according to the formula, the emulsifier is added, and the mixture is stirred uniformly in a stirring kettle to prepare the missible oil preparation of the composition.
When the wettable powder is wettable powder, the components have the following weight percentage content:
the molluscicide composition wettable powder is prepared by the following specific processing steps: mixing carbaryl/triphenyl tin acetate, emamectin benzoate, a dispersing agent, a wetting agent and a filler according to the formula, uniformly stirring in a stirring kettle, and uniformly mixing through a jet mill to prepare the wettable powder of the composition.
When the water dispersible granule is a water dispersible granule, the weight percentage of each component is as follows:
the water dispersible granule of the molluscicide composition comprises the following specific processing steps: uniformly mixing carbaryl/triphenyl tin acetate, emamectin benzoate, a dispersing agent, a wetting agent, a disintegrating agent and a filler according to the formula, crushing by using an ultramicro jet mill, kneading, adding into a fluidized bed granulation dryer for granulation, drying, screening, and then sampling and analyzing to prepare the water dispersible granule of the molluscicide composition.
When the suspending agent is a suspending agent, the components have the following weight percentage:
the processing steps of the molluscicide composition suspending agent are as follows: mixing the auxiliary agents, uniformly mixing the auxiliary agents through high-speed shearing, adding carbaryl/triphenyl tin acetate and emamectin benzoate raw medicines, and grinding the mixture in a sand mill for 3-4 hours to ensure that the particle size of particles is below 5 mu m, thereby preparing the molluscicide composition suspending agent.
When the invention is an aqueous emulsion, the weight percentage of each component is as follows:
the processing steps of the pesticide composition aqueous emulsion are as follows: adding carbaryl/triphenyl tin acetate, emamectin benzoate, a solvent and an emulsifier together, and dissolving into a uniform oil phase; mixing water, antifreeze and the like together to form a uniform water phase; adding the water phase into the oil phase under high speed stirring, and shearing at high speed for 5-10min to form oil-in-water emulsion. Thus obtaining the molluscicide composition aqueous emulsion.
When the microcapsule suspension agent is used, the weight percentage of the components is as follows:
(1) dissolving carbaryl/triphenyl tin acetate and emamectin benzoate in a solvent, adding a capsule shell material, and uniformly stirring to obtain an oil phase; (2) adding an emulsifier and an auxiliary agent into water, and uniformly stirring to obtain a water phase; (3) adding the water phase into the oil phase, and homogenizing at high speed to form an oil-in-water emulsion; (4) under the condition of 450 r/min rotation speed, adding polyamine to take part in interfacial polymerization reaction, raising the reaction temperature to 25-70 ℃, keeping for 2-24 hours, and curing to form capsules; (5) adding dispersant and thickener, and stirring to obtain microcapsule suspension.
The emulsifier is one or more of alkyl naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyoxyethylene polyoxypropylene ether, styrene phenol polyoxyethylene ether, alkylphenol polyoxyethylene formaldehyde condensate, diphenyl phenol polyoxyethylene polyformaldehyde condensate, castor oil ethylene oxide adduct, NNO, NP, agricultural emulsion 500, agricultural emulsion 600, Tween-80 and polyvinyl alcohol.
The dispersing agent is one or more of lignosulfonate, fatty amide N-methyl taurinate sodium salt, alkylphenol polyoxyethylene ether sulfate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether.
The wetting agent of the present invention is selected from: one or more of sodium dodecyl sulfate, calcium dodecyl benzene sulfonate, nekal BX, sodium alkyl benzene sulfonate, polyoxyethylene triphenyl vinyl phenyl phosphate and Chinese honeylocust fruit powder.
The disintegrating agent of the invention is selected from: one or more of bentonite, urea, ammonium sulfate, aluminum chloride, citric acid, succinic acid and sodium bicarbonate.
The filler of the invention is selected from: one or more of kaolin, diatomite, bentonite, attapulgite, white carbon black, starch and light calcium carbonate.
The thickening agent is one or more of magnesium aluminum silicate, xanthan gum, hydroxymethyl cellulose, gum arabic and polyvinylpyrrolidone.
The antifreeze of the invention is selected from: one or more of ethylene glycol, propylene glycol, glycerol and polyethylene glycol.
The defoaming agent is selected from: silicone oil, silicone compound, C10-20 saturated fatty acid compound, C8-10 fatty alcohol compound and/or polyoxyethylene glyceryl ether.
The capsule shell material is one or more of tolyl isocyanate, polymethylene poly-toluene isocyanate, diphenylmethane diisocyanate and urea resin.
The solvent is one or more of toluene, xylene, ethanol, N-dimethylformamide, chloroform, cyclohexanone, cyclohexane and acetone.
The pH regulator of the invention mainly comprises one of hydrochloric acid, glacial acetic acid, citric acid, sodium hydroxide, ammonia water, ethylenediamine, triethanolamine and triethylamine.
Compared with the prior art, the molluscicide composition provided by the invention has the following beneficial effects: (1) compared with a single agent, the composition has obvious synergism on the ampullaria gigas, obviously improves the prevention and treatment effect, and obviously reduces the medication cost; (2) the drug resistance of the ampullaria gigas to metaldehyde, niclosamide and other medicaments can be slowed down, and the service life of the medicaments is prolonged; (3) the product has quick-acting and long-acting effects on ampullaria gigas; (4) the field dosage can be greatly reduced, and the environmental pollution and pesticide residue are effectively reduced; (5) reducing toxicity to other non-target organisms.
Experimental data
Firstly, a test reagent: emamectin benzoate raw drug; carbaryl raw drug; triphenylacetic acid tin technical
II, testing pests: pomacea canaliculata (2 years old)
Thirdly, a determination method:
a method combining indoor toxicity measurement and field test is adopted.
The co-toxicity coefficient of the compound agent with different proportions to the ampullaria gigas is obtained through indoor toxicity measurement, the prevention and treatment effect of the compound agent is determined through field efficacy tests, and the formula proportion and the optimal dosage of the compound agent are determined.
Indoor toxicity determination: adopts a snail dipping method. Calculating the dosage of the raw medicine according to the effective components, preparing a mother solution, adding clear water to dilute the mother solution to 5-7 gradient concentrations, taking clear water treatment as a reference, and repeating the treatment for 3 times. Selecting 20 young snails (young snails) with basically consistent growth state, putting into an experimental barrel containing liquid medicine, covering a gauze (preventing escape), placing in a constant temperature box at 25 ℃, investigating death condition after 24h, recording dead snails, and processing data by using DPS statistical software.
The field effect is as follows: the formula with synergistic effect obtained by indoor bioassay is prepared into missible oil (EC), a suspending agent (SE), Wettable Powder (WP), a Water Dispersible Granule (WDG), an emulsion in water (EW) and a microcapsule suspending agent (CS) for testing. After the cell spraying agent is set, the control effect is checked and the appropriate dosage of the agent is determined.
The toxicity measurement results of the 3 medicaments and the mixed medicaments on the ampullaria gigas are shown in tables 1 and 2;
as can be seen from tables 1 and 2, emamectin benzoate, triphenyltin acetate and carbaryl show good indoor toxicity effect on ampullaria gigas, and LC50The toxicity coefficient of the composite is more than 120 for the ampullaria gigas within the range of 10: 1-1: 20, and the composite shows good synergistic effect; the co-toxicity coefficient of the triphenyltin acetate and emamectin benzoate to ampullaria gigas is more than 120 within the range of 20: 1-1: 10, and the synergistic effect is good.
TABLE 1 toxicity of 2-year-old Amazonian snail caused by mixing carbaryl and emamectin benzoate in different proportions
TABLE 2 toxicity of Pomacea canaliculata (2-year old) due to different ratios of triphenyltin acetate and emamectin benzoate
Detailed Description
The invention is explained in detail by the following embodiments, carbaryl/triphenyl tin acetate and emamectin benzoate are processed into dosage forms according to the proportion of 20: 1-1: 20, and the percentage in the embodiments is weight percentage; the invention is not so limited.
Example 1: 30% carbaryl-emamectin benzoate emulsifiable concentrate
3% of emamectin benzoate, 27% of carbaryl, 10% of n-butyl alcohol, 10% of cyclohexanone, 20% of solvent oil, 600# 3% of agricultural emulsion, 4% of castor oil polyethylene glycol condensate and the balance of dimethylformamide to 100%, and uniformly stirring to prepare the 30% of carbaryl-emamectin benzoate missible oil.
Example 2: 55% triphenyltin acetate-emamectin benzoate wettable powder
5% of emamectin benzoate, 50% of triphenyltin acetate, 8% of fatty amide N-methyl taurinate sodium salt, 8% of saponin powder, 5% of ammonium sulfate, 15% of silicon dioxide and 100% of light calcium carbonate, mixing and crushing by using a jet mill to prepare 55% of triphenyltin acetate emamectin benzoate wettable powder.
Example 3: 30% carbaryl-emamectin benzoate water dispersible granule
15% of emamectin benzoate, 15% of carbaryl, 4% of fatty amide N-methyltaurate, 3% of methyl fatty amide sodium benzenesulfonate, 5% of polyoxyethylene triphenylethylene phenyl phosphate, 2% of urea and bentonite, wherein the balance is up to 100%, and the 30% of carbaryl-emamectin benzoate water dispersible granules are prepared by mixing and granulating.
Example 4: 42% triphenyltin acetate emamectin benzoate suspending agent
2% of emamectin benzoate, 40% of triphenyltin acetate, 4% of alkylphenol polyoxyethylene, 3% of NNO, 1% of magnesium aluminum silicate, 0.15% of xanthan gum, 1% of ethylene glycol, 0.5% of polyoxyethylene glyceryl ether and water, wherein the balance is 100%, the components are uniformly mixed and then put into a sand mill, and the mixture is ground to a particle size of 5 μm to prepare the 42% of triphenyltin acetate emamectin benzoate suspending agent.
Example 5: 30% aqueous emulsion of carbaryl and emamectin benzoate
5% of emamectin benzoate, 25% of carbaryl, NP-104%, 5% of dimethylformamide, 3% of cyclohexanone, 3% of magnesium aluminum silicate, 2% of urea, 0.5% of polyoxyethylene glyceryl ether and water, wherein the balance is up to 100%. Dissolving the original medicine by using a solvent, and slowly adding the solution into the water phase at a constant rotating speed to prepare the 30% carbaryl-emamectin benzoate aqueous emulsion.
Example 6: 30% carbaryl-emamectin benzoate microcapsule suspending agent
5% of emamectin benzoate, 25% of carbaryl, 5% of dimethylformamide, 0.5% of diphenylmethane diisocyanate, 2% of polyvinyl alcohol, 1% of fatty amide N-methyl taurinate sodium salt, 1% of hexamethylene diamine, 2% of gum arabic and water which are complemented to 100% are prepared into the 30% carbaryl-emamectin benzoate microcapsule suspending agent by the method.
Example 7: 14% Triphenyl tin acetate emamectin benzoate granules
6% of emamectin benzoate, 8% of triphenyltin acetate, 4% of fatty amide N-methyltaurate, 3% of methyl fatty amide sodium benzenesulfonate, 5% of polyoxyethylene triphenylethylene phenyl phosphate, 2% of urea and the balance of attapulgite to 100%, and mixing, extruding and granulating to obtain the 14% triphenyltin acetate-emamectin benzoate water dispersible granule.
Example 8: 22% triphenyltin acetate-emamectin benzoate microcapsule suspending agent
8% of emamectin benzoate, 14% of triphenyltin acetate, 5% of dimethylformamide, 0.5% of diphenylmethane diisocyanate, 2% of polyvinyl alcohol, 1% of fatty amide N-methyl taurinate sodium salt, 1% of hexamethylene diamine, 2% of gum arabic and water which is complemented to 100% are prepared into 22% of triphenyltin acetate-emamectin benzoate microcapsule suspending agent by the method
The method for preventing and treating ampullaria gigas by using the pesticide composition is to add water to prepare a suspension for spraying or uniformly spreading on a beach in the early generation stage of the ampullaria gigas to prevent and treat the ampullaria gigas and other soft pests.
As can be seen, the two medicaments of carbaryl/triphenyl tin acetate and emamectin benzoate are mixed to prevent and treat mollusks such as ampullaria gigas and the like, and have good application prospect.
In addition, the formulation can be prepared into ultra-low-volume liquid for airplane spray, hot fogging concentrate, mist spraying agent and other formulations which can be easily thought by technicians and used for controlling ampullaria gigas or other mollusks.
Claims (2)
1. A molluscicide composition containing emamectin benzoate is characterized in that: the preservative consists of active ingredients A and B and auxiliary components, wherein A is emamectin benzoate, B is carbaryl or triphenyltin acetate, the total weight percentage of the active ingredients is 1-90%, and the mass ratio of A to B is 10: 1-1: 10.
2. The molluscicide composition according to claim 1, wherein: the molluscicide composition is prepared from missible oil, a suspending agent, a water dispersible granule, a wettable powder, an aqueous emulsion and a microcapsule suspending agent.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208559A (en) * | 1998-07-17 | 1999-02-24 | 唐睿 | Avermectin pesticide series microemulsion agent, and method for producing same |
| CN104472511A (en) * | 2014-11-27 | 2015-04-01 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Molluscicide composition containing metaldehyde and emamectin benzoate |
| CN105638690A (en) * | 2016-03-09 | 2016-06-08 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Pesticide composition with emamectin benzoate and niclosamide ethanolamine |
-
2017
- 2017-07-17 CN CN201710578444.7A patent/CN107136116B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208559A (en) * | 1998-07-17 | 1999-02-24 | 唐睿 | Avermectin pesticide series microemulsion agent, and method for producing same |
| CN104472511A (en) * | 2014-11-27 | 2015-04-01 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Molluscicide composition containing metaldehyde and emamectin benzoate |
| CN105638690A (en) * | 2016-03-09 | 2016-06-08 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Pesticide composition with emamectin benzoate and niclosamide ethanolamine |
Non-Patent Citations (1)
| Title |
|---|
| 杀软体动物剂开发进展;唐韵;《农药市场信息》;20170101;第32-33页 * |
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