CN103858923B - A kind of Pesticidal combination and application thereof containing Imidacloprid and gamma cyhalothrin - Google Patents
A kind of Pesticidal combination and application thereof containing Imidacloprid and gamma cyhalothrin Download PDFInfo
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Abstract
The invention discloses a kind of Pesticidal combination and the application thereof that contain Imidacloprid and gamma cyhalothrin, Imidacloprid and gamma cyhalothrin carry out composite by said composition, have good synergistic function, wherein the mass ratio of Imidacloprid and gamma cyhalothrin is 1-20:1, preferred 2.5:1.The present composition expands insecticidal spectrum, improves quick-acting, avoids Drug Resistance and produces, and the insect pest such as aphid, cabbage caterpillar, aleyrodid in control cereal crops, vegetables, fruit tree has good effect.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, be specifically related to a kind of Pesticidal combination and the application of said composition in control cereal crops, fruit tree, vegetables insect pest that contain Imidacloprid and gamma cyhalothrin, belong to technical field of pesticide.
Background technology
Gamma cyhalothrin (Lambda-cyhalothrin, chemical name: 3-(2-chloro-3,3,3-trifluoro-propenyl)-2,2-dimethyl cyclopropane carboxylic acid alpha-cyano-3-phenoxybenzyl ester) be pyrethroid insecticidal/acaricidal agent, to tag and stomach poison function, without systemic action.To various pests and other insects such as Lepidoptera, coleoptera and Semipteras, and tetranychid, rust mite, goitre mite, tarsonemid etc. have good result, also can be used to prevent and treat multiple earth's surface and public health insect, have certain preventive effect to the insect of sucking mouth parts, but Long-Time Service easily produces resistance to it.
Imidacloprid (Imidacloprid, chemical name: 1-(6-chloro-3-pyridyl ylmethyl)-4,5-dihydro-N-Nitroimidazoline-2-base amine) be nicotinoids super-high-efficient insecticide, there is wide spectrum, efficient, low toxicity, low-residual, insect not easily produces the advantages such as resistance, and have tag, the multiple action such as stomach toxicity and interior suction, be mainly used in preventing and treating sucking pest, as aphid, leafhopper, thrips, trialeurodes vaporariorum and colorado potato beetle and wheat stem maggot etc.
Gamma cyhalothrin, mainly based on missible oil and water and milk, all uses a large amount of organic solvent, there is the problem of contaminated environment and transportation safety; And Imidacloprid is mostly based on pulvis, in production and application process, there is dust pollution question.As can be seen here, the formulation of these two kinds of medicines all cannot meet environmental requirement now.Patent CN101380023A discloses the composition that a kind of gamma cyhalothrin and Imidacloprid have insecticidal action, said composition decreases drug use amount, but the gamma cyhalothrin of preparation and the water dispersible granules of Imidacloprid are the medicine heart, medicine curtain layer and coatings three-decker, 5-30% solvent (ethanol, ethyl acetate, methyl alcohol etc. one or more) will be used in granulation process, and in particle drying course, want recycling design, complex process, and still there is safety and pollution problem in production link.
Summary of the invention
The invention provides a kind of Pesticidal combination containing Imidacloprid and gamma cyhalothrin, produce good synergistic effect after these two kinds of active matters combinations, the deficiency that when solving one-component desinsection, drug effect reduces and pesticide resistance produces, is beneficial to the sustainable development of environment.Said composition expands insecticidal spectrum, slow down drug-fast generation, and the environmental protection of composition preparation process, occur without safety and pollution problem.
Present invention also offers the application of above-mentioned Pesticidal combination in control cereal crops, vegetables, insect pest of the fruit tree.
The present invention is achieved by the following measures:
A kind of Pesticidal combination containing Imidacloprid and gamma cyhalothrin, it is characterized in that: with Imidacloprid and gamma cyhalothrin for active constituents of medicine, the mass ratio of Imidacloprid and gamma cyhalothrin is 1-20:1, preferred mass is than being 1-10:1, more preferably mass ratio is 1-5:1, and most preferably mass ratio is 2.5:1.
In Pesticidal combination of the present invention, the content of active component is 10-60wt%, is preferably 15%-40wt%.
The described Pesticidal combination containing Imidacloprid and gamma cyhalothrin presses the known method of the art personnel, and can be made into any formulation agriculturally allowed, more excellent is water dispersible granules.
When composition makes water dispersible granules, comprise the component of following percentage by weight: active component 10%-60%, dispersant 4-10%, wetting agent 2-4%, disintegrant 10-40%, binding agent 5-20%, filler surplus.Preferably, composition is made up of the component of following percentage by weight: active component 10-60%, dispersant 6%, wetting agent 2%, disintegrant 25%, binding agent 5%, filler surplus.Preferred, active component 15%-40%, dispersant 6%, wetting agent 2%, disintegrant 25%, binding agent 5%, filler surplus.
Water dispersible granules preparation method is: gamma cyhalothrin, Imidacloprid, dispersant, wetting agent, disintegrant, binding agent, filler are mixed in mixer, after airslide disintegrating mill is crushed to particle diameter 20-40 μm, mediate amount of water 20-30%, carry out extruder grain, 40-50 DEG C of oven dry, namely can be made into Imidacloprid gamma cyhalothrin water dispersible granules product.
Described dispersant is selected from: calcium lignosulfonate, maleic acid-acrylic acid copolymer salt, polyox-yethylene-polyoxypropylene block copolymer, alkylphenol sodium sulfonate, alkyl naphthalene sulfonic acid formaldehyde condensation products sodium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, ethylene oxide-propylene oxide block copolymer and polycarboxylate sodium one or more.Preferred dispersants by polycarboxylate sodium and calcium lignosulfonate in mass ratio 2:1 mix.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, a-sulfo methyl ester, sodium tetradecyl sulfate, neopelex, Negel, a-alkene sulfonic acid sodium, alkyl phenol polyethenoxy ether sodium sulfate, sodium lignin sulfonate, Nekal BX, fatty acid sulfates and fatty acid ester sulphate, preferred wetting agent by lauryl sodium sulfate and sodium lignin sulfonate in mass ratio 1:1 mix.
Described disintegrant is selected from: one or more in potassium sulfate, sodium cellulose glycolate, potassium chloride, diammonium hydrogen phosphate, urea, sodium sulphate, ammonium sulfate, ammonium nitrate, calcium chloride and sodium chloride, preferred disintegrant by ammonium sulfate and urea in mass ratio for 1.5:1 mixes.
Described binding agent is selected from: one or more in a-dextrin, polyvinyl alcohol, aluminium-magnesium silicate, sucrose and sodium carboxymethylcellulose, preferred binder sucrose.
Described filler is selected from: one or more in kaolin, bentonite, talcum powder, attapulgite, diatomite, white carbon, starch, precipitated calcium carbonate, and preferred filler is talcum powder.
Composition of the present invention is mainly used in preventing and treating the insect pest in cereal crops, vegetables, fruit tree, such as aphid, cabbage caterpillar, aleyrodid etc., the aphid especially in fruit and vegetables.
Beneficial effect of the present invention: (1) present composition effective active composition Imidacloprid and gamma cyhalothrin belong to the insecticide of two kinds of different mechanisms of action, and both can not produce conflict at mutual mixture, and expand insecticidal spectrum, improves insecticide efficiency; (2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single dose, and dosage is little, avoids the pesticide resistance of insect pest, is beneficial to environment sustainable development; (3) present composition can be made into water dispersible granules, and the selection of auxiliary material and formulation improves drug effect; (4) present composition has special efficacy to the aphid on cereal crops, vegetables, aleyrodid, cabbage caterpillar.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, but the present invention is not limited thereto.If no special instructions, the percentage in following embodiment is all weight percentage.
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First carry out Toxicity Determination according to the abundant method of Sun Yun, co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC < 80 is antagonism, 80≤CTC≤120 are summation action, CTC > 120 is synergistic effect, on this basis, then carry out field trial.
imidacloprid and high-efficient lambda-cyhalothrin compound are to aphid Toxicity Determination
Test medicine provides by Shandong Weifang Rainbow Chemical Co., Ltd..
Determine that after the effective inhibition concentration scope of each medicament, each medicament establishes a series of concentration process respectively by active constituent content through prerun, if clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule insecticide ", adopt infusion process to measure medicament and mixed after the lethal concentration of 50, and the method for the calculating co-toxicity proposed with (1960) such as Sun Yunpei asks its co-toxicity coefficient.
Computing formula following (take Imidacloprid as standard agent, its toxicity index is 100):
In formula: M is the mixture of Imidacloprid and gamma cyhalothrin different ratio;
P
imidaclopridfor the ratio that Imidacloprid is shared in mixture;
P
gamma cyhalothrinfor the ratio that gamma cyhalothrin is shared in mixture.
Result of the test is as shown in table 1:
As shown in Table 1, Imidacloprid, gamma cyhalothrin are to the LC of wheat aphid
50be respectively 1.5178mg/L and 0.5021mg/L.The proportioning 1:1 of Imidacloprid and gamma cyhalothrin, the co-toxicity coefficient difference 135.98,149.89,130.55,126.65,120.43 of 2.5:1,5:1,10:1,20:1.Imidacloprid and gamma cyhalothrin proportioning 1-20:1 all have certain synergistic effect, wherein with Imidacloprid and gamma cyhalothrin proportioning for synergistic effect during 1-10:1 is obvious, the highest with synergistic effect during 2.5:1.
Lower mask body enumerates several representative embodiment of the present invention, and non exhaustive.
embodiment 110% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 5%, gamma cyhalothrin 5%, polycarboxylate sodium 4%, calcium lignosulfonate 2%, lauryl sodium sulfate 1%, sodium lignin sulfonate 1%, and ammonium sulfate 15%, urea 10%, sucrose 5%, talcum powder add to 100%.
Preparation method is: gamma cyhalothrin, Imidacloprid, dispersant, wetting agent, disintegrant, filler are mixed in mixer, after airslide disintegrating mill is crushed to particle diameter 20-40 μm, mediates amount of water 20-30%, carry out extruder grain, 40-50 DEG C of oven dry, to obtain final product.
embodiment 235% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 25%, gamma cyhalothrin 10%, polycarboxylate sodium 4%, calcium lignosulfonate 2%, lauryl sodium sulfate 1%, sodium lignin sulfonate 1%, and ammonium sulfate 15%, urea 10%, sucrose 5%, talcum powder add to 100%.Preparation method is with embodiment 1.
embodiment 360% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 50%, gamma cyhalothrin 10%, polycarboxylate sodium 4%, calcium lignosulfonate 2%, lauryl sodium sulfate 1%, sodium lignin sulfonate 1%, and ammonium sulfate 15%, urea 10%, sucrose 5%, talcum powder add to 100%.Preparation method is with embodiment 1.
embodiment 440% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 35%, gamma cyhalothrin 5%, polycarboxylate sodium 4%, calcium lignosulfonate 2%, lauryl sodium sulfate 1%, sodium lignin sulfonate 1%, and ammonium sulfate 15%, urea 10%, sucrose 5%, talcum powder add to 100%.Preparation method is with embodiment 1.
embodiment 533% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 30%, gamma cyhalothrin 3%, polycarboxylate sodium 4%, calcium lignosulfonate 2%, lauryl sodium sulfate 1%, sodium lignin sulfonate 1%, and ammonium sulfate 15%, urea 10%, sucrose 5%, talcum powder add to 100%.Preparation method is with embodiment 1.
embodiment 615% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 14.29%, gamma cyhalothrin 0.71%, polycarboxylate sodium 4%, calcium lignosulfonate 2%, lauryl sodium sulfate 1%, sodium lignin sulfonate 1%, and ammonium sulfate 15%, urea 10%, sucrose 10%, talcum powder add to 100%.Preparation method is with embodiment 1.
embodiment 726% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 13%, gamma cyhalothrin 13%, maleic acid-acrylic acid copolymer salt 5%, Nekal BX 3%, and ammonium sulfate 15%, sodium sulphate 25%, starch add to 100%.Preparation method is with embodiment 1.
embodiment 828% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 20%, gamma cyhalothrin 8%, polycarboxylate sodium 5%, ethylene oxide-propylene oxide block copolymer 3%, sodium tetradecyl sulfate 1%, sodium lignin sulfonate 1%, calcium chloride 28%, precipitated calcium carbonate add to 100%.Preparation method is with embodiment 1.
embodiment 930% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 25%, gamma cyhalothrin 5%, alkylphenol sodium sulfonate 8%, calcium lignosulfonate 1.5%, lauryl sodium sulfate 1%, sodium lignin sulfonate 1%, and potassium sulfate 15%, urea 7%, sodium cellulose glycolate 5%, bentonite add to 100%.Preparation method is with embodiment 1.
embodiment 1032% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 28%, gamma cyhalothrin 4%, alkylphenol sodium sulfonate 6%, calcium lignosulfonate 3%, lauryl sodium sulfate 1%, ethylene oxide-propylene oxide block copolymer 1%, and potassium sulfate 15%, urea 7%, sodium cellulose glycolate 5%, talcum powder add to 100%.Preparation method is with embodiment 1.
embodiment 1155% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 50%, gamma cyhalothrin 5%, polycarboxylate sodium 4%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 1.5%, ethylene oxide-propylene oxide block copolymer 2%, lauryl sodium sulfate 1%, a-alkene sulfonic acid sodium 2%, sodium chloride 21%, talcum powder add to 100%.Preparation method is with embodiment 1.
embodiment 1242% Imidacloprid gamma cyhalothrin water dispersible granules
Formula is: Imidacloprid 40%, gamma cyhalothrin 2%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 5.5%, ethylene oxide-propylene oxide block copolymer 1%, lauryl sodium sulfate 2%, a-alkene sulfonic acid sodium 2%, sodium chloride 15%, attapulgite add to 100%.Preparation method is with embodiment 1.
The Imidacloprid prepare above-described embodiment and high-efficient lambda-cyhalothrin compound formulation products quality stability are tested, and the results are shown in following table 2.
Known by table 2, in embodiment 7,8,9,10,11,12, degradation after heat storage; And using the embodiment 1,2,3,4,5,6 of preferred promoter before heat storage and after heat storage, quality is all good, and preferred promoter plays key effect in product quality.
imidacloprid and high-efficient lambda-cyhalothrin compound field control effectiveness test measure
1, field trial control wheat aphid
The Imidacloprid prepare above-described embodiment and high-efficient lambda-cyhalothrin compound preparation are prevented and treated wheat aphid situation and are carried out the test of pesticide effectiveness.This experimental establishment is carried out in this locality, and contrast medicament is 70% imidacloprid wettable powder (commercial), 2.5% efficient cyhalothrin emulsifiable concentrate (commercial).
During dispenser, wheat is on the occasion of booting stage, aphid hundred strain worm amount 500-900 head, for aphid contains the initial stage of sending out, sprays medicine 1 time with workers and peasants-16 type knapsack hand sprayer, is watered 750kg is equipped with liquid by per hectare preparation consumption, and conversion community amount of liquid medicine carries out even spraying.Duration of test weather is good, and daily mean temperature is 20 ~ 26.0 DEG C.Dispenser same day without rain, non-rainfall in 15 days after medicine.
investigation method
Investigation insect population radix before dispenser, investigates borer population amount of living, calculate Rectifying efficacies, and viewing test medicament is to the safety of crop for after medicine the 3rd, 7,14 day respectively.
drug effect computational methods
In experimentation, in test scope of medication, the present composition has no adverse effects to wheat, to wheat aphid to prevent and treat result as shown in table 3:
As can be seen from Table 3, effectively can prevent and treat wheat aphid after Imidacloprid and high-efficient lambda-cyhalothrin compound, control efficiency is all better than contrasting medicament.Use the embodiment preventive effect of preferred promoter and optimum ratio will obviously be better than other embodiments, after medicine 14 days the highest with embodiment 2 preventive effect, can 97.2% be reached.
2, field trial control cabbage pieris
At a time when dispenser, cabbage pieris contains the initial stage of sending out, and sprays medicine 1 time with workers and peasants-16 type knapsack hand sprayer, is watered 750kg is equipped with liquid by per hectare preparation consumption, and conversion community amount of liquid medicine carries out even spraying.Duration of test weather is good, and daily mean temperature is 20 ~ 28.0 DEG C.Dispenser same day without rain, non-rainfall in 15 days after medicine.
investigation method
Investigation insect population radix before dispenser, investigates borer population amount of living, calculate Rectifying efficacies, and viewing test medicament is to the safety of crop for after medicine the 3rd, 7,14 day respectively.
drug effect computational methods
In experimentation, in test scope of medication, the present composition has no adverse effects to wild cabbage, to cabbage pieris to prevent and treat result as shown in table 4:
As can be seen from Table 4, can effectively prevent and treat cabbage field cabbage caterpillar after Imidacloprid and high-efficient lambda-cyhalothrin compound, control efficiency is all better than contrasting medicament.Use the embodiment preventive effect of preferred promoter and optimum ratio will obviously be better than other embodiments, after medicine, 14 days preventive effects the highest can reach 98.1%.
3, field trial control capsicum Bemisia tabaci
At a time when dispenser, capsicum Bemisia tabaci contains the initial stage of sending out, and carries out in green house.Spray medicine 1 time with workers and peasants-16 type knapsack hand sprayer, be watered 750kg be equipped with liquid by per hectare preparation consumption, conversion community amount of liquid medicine carries out even spraying.Duration of test weather is good, and daily mean temperature is 20 ~ 25.0 DEG C.Dispenser same day without rain, non-rainfall in 15 days after medicine.
investigation method
Investigation insect population radix before dispenser, investigates borer population amount of living, calculate Rectifying efficacies, and viewing test medicament is to the safety of crop for after medicine the 3rd, 7,14 day respectively.
drug effect computational methods
In experimentation, in test scope of medication, the present composition has no adverse effects to capsicum, to capsicum Bemisia tabaci to prevent and treat result as shown in table 5 below:
As can be seen from Table 5, effectively can prevent and treat capsicum field Bemisia tabaci after Imidacloprid and high-efficient lambda-cyhalothrin compound, control efficiency is all better than contrasting medicament.Use the embodiment preventive effect of preferred promoter and proportioning will obviously be better than other embodiments, after medicine, 14 days preventive effects the highest can reach 96.8%.
Claims (7)
1. one kind contains the Pesticidal combination of Imidacloprid and gamma cyhalothrin, it is characterized in that: Imidacloprid and the gamma cyhalothrin of active component to be mass ratio be 1-20:1, formulation is water dispersible granules, water dispersible granules is made up of the component of following percentage by weight: active component 10-60%, dispersant 6%, wetting agent 2%, disintegrant 25%, binding agent 5%, filler surplus;
Dispersant by polycarboxylate sodium and calcium lignosulfonate in mass ratio 2:1 mix, wetting agent by lauryl sodium sulfate and sodium lignin sulfonate in mass ratio 1:1 mix, disintegrant is by ammonium sulfate and urea in mass ratio for 1.5:1 mixes, and binding agent is sucrose, and filler is talcum powder.
2. Pesticidal combination according to claim 1, is characterized in that: the mass ratio of Imidacloprid and gamma cyhalothrin is 1-10:1.
3. Pesticidal combination according to claim 1, is characterized in that: the mass ratio of Imidacloprid and gamma cyhalothrin is 1-5:1.
4. Pesticidal combination according to claim 1, is characterized in that: the mass ratio of Imidacloprid and gamma cyhalothrin is 2.5:1.
5. Pesticidal combination according to claim 1, is characterized in that: water dispersible granules is made up of the component of following percentage by weight: active component 15%-40%, dispersant 6%, wetting agent 2%, disintegrant 25%, binding agent 5%, filler surplus.
6. the Pesticidal combination containing Imidacloprid and gamma cyhalothrin according to any one of claim 1-5 is preventing and treating the application in cereal crops, vegetables, insect pest of the fruit tree.
7. application according to claim 6, is characterized in that: described insect pest is aphid, cabbage caterpillar or aleyrodid.
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| CN106455573A (en) * | 2014-06-16 | 2017-02-22 | 龙灯农业化工国际有限公司 | Synergistic insecticidal composition comprising neonicotinoid insecticides and pyrethroid insecticides |
| CN105503456A (en) * | 2016-01-05 | 2016-04-20 | 山东潍坊润丰化工股份有限公司 | Insecticide composition containing thiamethoxam and cyhalothrin and application thereof |
| CN106465724A (en) * | 2016-09-26 | 2017-03-01 | 天津市汉邦植物保护剂有限责任公司 | Aqueous suspension agent containing imidacloprid and lambda-cyhalothrin and preparation method and application |
| CN107258807A (en) * | 2017-06-29 | 2017-10-20 | 山东大农药业有限公司 | A kind of Pesticidal combination containing imidacloprid and gamma cyhalothrin |
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Effective date of registration: 20170109 Address after: 266717 Qingdao City, Shandong Pingdu New River ecological science and technology industrial base, East Xinchang Road Patentee after: Qingdao run agricultural chemical Co., Ltd. Address before: Haiyuan Binhai Economic Development Zone, Shandong province Weifang city 262737 Street No. 600 Patentee before: Shandong Weifang Rainbow Chemical Co., Ltd. |
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Address after: No. 8, Hai Pu North Road, New River ecological and chemical technology industry base in Pingdu City, Qingdao, Shandong Patentee after: QINGDAO RUNNONG CHEMICAL Co.,Ltd. Address before: 266717, Shandong, Qingdao Pingdu New River chemical industry base of science and technology, Xinchang Road East head Patentee before: QINGDAO RUNNONG CHEMICAL Co.,Ltd. |
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