CN101849549B - Pesticide preparation for preventing and treating rice hoppers and other rice pests - Google Patents
Pesticide preparation for preventing and treating rice hoppers and other rice pests Download PDFInfo
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Abstract
The invention relates to a pesticide preparation for preventing and treating plant hoppers and other rice pests and relates to the technical field of a pesticide. A main agent of the pesticide preparation is a mixture mainly comprising the following active ingredients in percentage by weight: 0.1 to 2.0 percent of azadirachtin and 0.1 to 50.0 percent of flubendiamide. The main agent and an auxiliary agent are used to prepare a cream agent, a microemulsion, an emulsion in water or a suspending agent. The pesticide preparation is efficient for the rice pests such as the plant hoppers and the like, can prevent and treat the rice pests such as the plant hoppers in different instars, can completely kill the pests, has low pollution to the environment and low production cost and is suitable for chemical prevention of the rice pests such as the plant hoppers and the like.
Description
Technical field
The present invention relates to technical field of pesticide, particularly a kind of preparing technical field of preventing and treating the pesticidal preparations of rice hoppers and other rice pests.
Background technology
Paddy rice is the important cereal crops that depend on for existence of 35% people in the world, and the height of its output is concerning social stability.But paddy rice usually suffers the invasion and attack of various damage by disease and insect, particularly insect pest in whole growth and development process, and wherein snout moth's larva, rice leaf roller and rice fulgorid are the three large primary pests of paddy rice of causing harm.Because global warming, insect worm attitude changes, and in recent years, the insects such as the snout moth's larva of rice, rice fulgorid in China large tracts of land break out, serious threat the sustainability production of paddy rice.Rice grub is more and more rampant, and general insecticide can not reach desirable effect, and the higher agricultural chemicals of some toxicity though can play certain preventive and therapeutic effect, has very large harm equally to people and environment.Along with the raising of people's living standard, people to the requirement of rice by scalar type to the conversion of high-quality type, the development pollution-free rice trend that is inevitable.
The nimbin botanical pesticide is exactly one of them Typical Representative.Neem extract has significant control efficiency to the common insect in most of rice fields, reports that wherein more is rice fulgorid and the snout moth's larva of rice etc.Dash etc. utilize 5%NSKE and 1%Repelin spraying to process white-backed planthopper and brown planthopper, and the result shows that 2 kinds of preparations have good control action to plant hopper.The Dash key evaluation in the market common seal chinaberry preparation to the effect of rice field primary pest; Find that nearly all reagent agent all has remarkable result to brown planthopper and white-backed planthopper, paddy stem borer is also had medium control action, in these medicaments, Rakshak and Nimbecidin drug effect are the most outstanding.The employing honeydew method of draining such as Krishnaiah have been studied NG4, RakshaK, Neem Azal T/S to the Antifeedant Effects of brown planthopper, white-backed planthopper and nephotettix bipunctatus, and all are processed all positive effect.In 2%NG4,1.0%Rakshak, 1.0%Neem Azal T/S processed, the food refusal rate reached respectively 82.91%, 86.76%, 84.76%.Dhaliwal etc. have estimated the field effect of Rakshak, Neem, Azal T/S, Nimbecidine control rice leaf roller and paddy stem borer.The rice leaf roller of 5%Neem Azal T/S treatment region and the paddy stem borer rate that causes harm significantly reduces.Utilize seal chinaberry preparation can also effectively control the rice root insect.Chakroborti has estimated the effect to paddy stem borer, paddy rice armor and rice case bearers of neem oil, neem cake, seal chinaberry extractants and chemical pure nimbin, finds that neem extract has the effect suitable with chemical pesticide to 3 kinds of insects.
Nimbin (azadirachtin): seal chinaberry insecticide is the outstanding biopesticide of generally acknowledging, active component derives from the seal chinaberry.The main insecticidal action mode of nimbin is food refusal, suppress to grow, stomach toxicity, avoid and keep away, suppress to breathe and the various active such as sterile, wherein with suppress to grow, food refusal and deterrent effect be particularly remarkable.At present, seal chinaberry preparation is widely used in preventing and treating insect on cotton, vegetables, fruit tree, tea tree, paddy rice and the pea.Seal chinaberry insecticide has almost reached all requirements of present pesticide developing: wide spectrum, efficient, selectivity is good, to non-target organism safety, to people and animals' low toxicity, without poisoning, degrades rapidly noresidue in environment.
Flubendiamide (flubendiamide) is the novel pesticide that Japanese agricultural chemicals company and Bayer are developed jointly, and is mainly used in vegetables, fruit, paddy rice and cotton control lepidoptera pest; Not only adult and larva are had good activity, and speed of action is fast, the lasting period is long.Because the mechanism of action is unique, therefore there is not cross resistance with conventional pesticides; To segmental appendage class beneficial insect safety, be suitable for integrated pest management and pest resistance treatment.
Flubendiamide is because the chemical constitution of its uniqueness and the brand-new mode of action, adult and the larva of rice grub had good activity, and speed of action is fast, the lasting period is long.Flubendiamide is different from conventional pesticides, is the ryanodine receptor activator.After using Flubendiamide, the classical symptom of lepidopterous larvae is gradually atrophy of health.Because the mechanism of action is unique, therefore there is not cross resistance with conventional pesticides; To segmental appendage class beneficial insect safety, be suitable for integrated pest management and pest resistance treatment.Flubendiamide to insect have stomach toxicity, tag, systemic action, and very strong permeability is arranged.Insect stops rapidly taking food within a few minutes after taking in, and can be good at protective effect under relatively low concentration.
But the unitary agent of above nimbin preparation and Flubendiamide has run into serial problem in actual use.Exist production cost higher such as the nimbin preparation in use in the field, nimbin makes drug effect, the lasting effect of nimbin be subject to impact because photodissociation, hydrolysis etc. easily occur in natural environment in addition, and the control efficiency of insect has been subject to certain impact.Flubendiamide has preferably control efficiency to rice grub at present as a kind of chemical pesticide, but in order to improve medicament to the control efficiency of insect, the peasant constantly improves the using dosage of medicament, and insect easily produces resistance to medicament in addition.
Summary of the invention
It is high that the object of the invention provides a kind of insecticide efficiency, rice grub plant hopper etc. had the pesticidal preparations of special efficacy preventive and therapeutic effect.
Technical scheme of the present invention is: active ingredient is nimbin and Flubendiamide, described nimbin accounts for the 0.1-2.0% of total formulation weight amount, Flubendiamide accounts for the 0.1-50.0% of total formulation weight amount, and all the other are assistant agent, and the formulation of making is emulsifiable concentrate, microemulsion, aqueous emulsion or suspending agent.
In the preparation of the present invention, nimbin and Flubendiamide are the active ingredient of preparation, are host.Preferred version is: nimbin is 0.1-2.0%, and Flubendiamide is 1.0-30.0%.
The nimbin that host of the present invention is selected, Flubendiamide all is insecticides well known in the art, and can easily buy from market, has very strong permeability, interior absorption, medicament is easy to kill the insect in each length of time of rice grub plant hopper etc., in time large tracts of land is controlled diffusion and the propagation of rice grub plant hopper etc. effectively, the selected medicament that is mixed belongs to the compound of different mechanism of action, the rear synergistic effect that is mixed is obvious, rice grub plant hopper etc. is difficult for developing immunity to drugs to it, and selected medicament all is low toxicities or nontoxic, low to environmental selection pressure, cheap, all has in a long time the control efficiency that good control efficiency can improve medicament, avoid the insecticidal spectrum of single medicament narrow, lasting effect is not enough, the relatively not high drawback of control efficiency is given full play to the synergistic blend effect of medicament after being mixed, can enlarge the control of insect spectrum.
The insecticidal emulsifiable concentrate made from above-mentioned main preparation is comprised of host and assistant agent, its host active ingredient weight percent content is 0.2-52.0% (nimbin 0.1-2.0%, Flubendiamide 0.1-50.0%), the percentage by weight that each component of assistant agent of composition missible oil accounts for preparation is: solvent 25.0-90.0%, emulsifier 0.1-20.0%, cosolvent 0.1-5.0%, stabilizing agent 0.1-5.0%;
Described solvent is selected from one or more of following compositions: dimethylbenzene, toluene, benzene, different fluorine that ketone, pyrrolidones, methyl alcohol, ethanol, acetone, butanols, ethylene glycol, dimethyl formamide, acetonitrile;
Described emulsifier is selected from one or more of following compositions: calcium dodecyl benzene sulfonate, dibenzyl phenol APEO, styrylphenol polyoxyethylene ether, the multiple phenol polyethenoxy ether of benzyl, the multiple phenol polyethenoxy base ether of α-methylbenzyl, farming breast 0201, Tween-20, Tween-40, Tween-60, Tween-80, penetrating agent BX, alkylphenol polyoxyethylene phosphate;
Described other cosolvents are to be selected from one or more of following compositions: cyclohexanone, pyrrolidones, dimethyl formamide;
Described stabilizing agent is to be selected from one or more of following compositions: aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate.
The insecticide microemulsion made from above-mentioned host is comprised of host and assistant agent, its host active ingredient weight percent content is 0.2-52.0% (nimbin 0.1-2.0%, Flubendiamide 0.1-50.0%), the percentage by weight that each component of assistant agent of composition microemulsion accounts for preparation is: emulsifier 0.1-70.0%, solvent 0.1-50.0%, stabilizing agent 0.1-5.0%, antifreeze 0.1-5.0%, the surplus water adds to 100%;
Described emulsifier is selected from one or more in the following compositions: triphenyl vinyl phenol oxirane nitranol salt, alkyl two polyoxy vinyl sulfonic acid calcium salts, styrylphenol polyoxyethylene ether, xenol APEO, polyoxyethylene phenylphenol ether;
Described solvent is to be selected from one or more of following compositions: cyclohexanone, pyrrolidones, dimethyl formamide, cyclohexanol, dimethylbenzene, benzene, toluene;
Described stabilizing agent is to be selected from one or more of following compositions: 3-chloro-1,2-epoxychloropropane, butyl glycidyl ether, phenyl glycidyl ether, polyethylene glycol diglycidyl ether, sorbitol, aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate;
Antifreeze: ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite.
The insecticide aqueous emulsion made with above-mentioned host is comprised of host and assistant agent, its host active ingredient weight percent content is 0.2-52.0% (nimbin 0.1-2.0%, Flubendiamide 0.1-50.0%), the percentage by weight that each component of assistant agent of composition aqueous emulsion accounts for preparation is: solvent 0.1-60.0%, emulsifier 0.1-60.0%, dispersant 0.1-5.0%, antifreeze 0.1-5.0%, the surplus water adds to 100%;
Described solvent is selected from one or more of following compositions: toluene, dimethylbenzene, N-chain alkyl pyrrolidones, ethylene glycol, propane diols, polyethylene glycol;
Described emulsifier is selected from one or more of following compositions: ethylene oxide-propylene oxide block copolymer, alkyl polyglycol ether, alkyl phenyl polyglycol ether, polyoxyethylene sorbitol acid anhydride ester, polyoxyethylene fatty acid ester, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester, ethoxyquin alkyl phenylate, ethoxyquin alkyl ether, alkyl benzene calcium sulfonate, oxirane-fatty acid primary amine condensation product;
Described dispersant is one or more that are selected from the following compositions: polyvinyl alcohol, gum Arabic;
Described antifreeze is one or more that are selected from the following compositions: ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite.
The insecticidal suspending agent made from above-mentioned main preparation is comprised of host and assistant agent, and its host active ingredient is 0.2-52.0% (nimbin 0.1-2.0%, Flubendiamide 0.1-50.0%) by weight; Assistant agent is that the percentage by weight that each component accounts for preparation is: solvent 0.1-60.0%, and emulsifier 0.1-60%, stabilizing agent 0.1-5.0%, antifreeze 0.1-5.0%, thickener 0.1-5.0%, preservative 0.1-5.0%, the surplus water adds to 100%.
Described emulsifier is selected from one or more of following compositions: ethylene oxide-propylene oxide block copolymer, alkyl polyglycol ether, alkyl phenyl polyglycol ether, polyoxyethylene sorbitol acid anhydride ester, polyoxyethylene fatty acid ester, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester, ethoxyquin alkyl phenylate, ethoxyquin alkyl ether, alkyl benzene calcium sulfonate, oxirane-fatty acid primary amine condensation product;
Described solvent is selected from one or more of following compositions: toluene, dimethylbenzene, ethylene glycol, propane diols, polyethylene glycol, N-chain alkyl pyrrolidones, methyl alcohol, ethanol, propyl alcohol, butanols, isobutanol, cyclohexanone, MEK, dimethyl formamide, dimethyl sulfoxide (DMSO);
Described thickener is one or more of following material: polyvinyl acetate, gelatin, polyvinyl alcohol, styrene-butadiene latex, gum Arabic, sodium alginate, xanthans, sodium carboxymethylcellulose, carboxy-propyl cellulose sodium, polyethylene glycol, polyethylene glycol oxide, polyvinylpyrrolidone, polyacrylamide, soluble starch, dextrin, polyvinyl acetate, naphthols-formaldehyde resin;
Described stabilizing agent is selected from one or more in the following compositions: epoxidized soybean oil, epoxidized linseed, aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate, 3-chloro-1,2-epoxychloropropane, butyl glycidyl ether, phenyl glycidyl ether, polyethylene glycol diglycidyl ether, sorbitol;
Described antifreeze is to be selected from one or more of following compositions: ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite;
Described preservative is selected from one or more in the following compositions: formaldehyde, Sodium Benzoate, isothiazolinone.
Embodiment
One, the preparation of pesticidal preparations of the present invention
The following examples are that technical solution of the present invention is further specified, but content of the present invention is not limited to this.
Embodiment 1:22.0% nimbin Flubendiamide missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 20.0.
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 59.8, methyl alcohol 5.0; Cosolvent, cyclohexanone 0.2; Emulsifier, dibenzyl phenol APEO 8.0.Tween-20 4.0; Stabilizing agent, pyrogallic acid 0.5, castor oil 0.5.
The above-mentioned weight ratio raw material traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 2:22.0% nimbin Flubendiamide microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 20.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, triphenyl vinyl phenol oxirane nitranol salt 35.0, polyoxyethylene phenylphenol ether 35.0; Solvent, dimethyl formamide 1.0, pyrrolidones 1.0; Stabilizing agent, pyrogallic acid 0.1; Antifreeze, ethylene glycol 0.1, glycerine 1.0; Water 4.8.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 3:22.0% nimbin Flubendiamide aqueous emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 20.0.
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 30.0, N-chain alkyl pyrrolidones 30.0; Emulsifier, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester 4.0; Dispersant, polyvinyl alcohol 0.2; Antifreeze, glycerine 0.1; Water 13.7.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made the insecticide aqueous emulsion.
Embodiment 4:22.0% nimbin Flubendiamide suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 20.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, polyoxyethylene fatty acid ester 60.0; Solvent, dimethyl formamide 0.1, thickener, sodium carboxymethylcellulose 5.0; Stabilizing agent, n-propyl gallate 0.1; Antifreeze, sorbierite, 0.1; Preservative, formaldehyde 0.1; Water 12.6.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Embodiment 5:50.1% nimbin Flubendiamide missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 0.1, Flubendiamide 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier: calcium dodecyl benzene sulfonate 4.0, OP-108.0; Stabilizing agent, aminobenzoic acid 2.0; Solvent, methyl alcohol 1.0, dimethylbenzene 29.9; Cosolvent, pyrrolidones 5.0.
The raw material of the above-mentioned weight ratio traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 6:50.1% nimbin Flubendiamide microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 0.1, Flubendiamide 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, triphenyl vinyl phenol oxirane nitranol salt 18.9; Solvent, dimethylbenzene 4.0; Antifreeze, sorbierite 3.0; Water 19.0; Stabilizing agent, pyrogallic acid 5.0.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 7:50.1% nimbin Flubendiamide aqueous emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 0.1, Flubendiamide 50.
Each composition percentage by weight (%) of assistant agent is: emulsifier, alkyl polyglycol ether 10.0, ethoxyquin alkyl ether 10.9; Solvent, dimethylbenzene 4.0, methyl alcohol 2.0; Dispersant, polyvinyl alcohol 3.0; Antifreeze, propane diols 5.0; Water 15.0.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made aqueous emulsion.
Embodiment 8:50.1% nimbin Flubendiamide suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 0.1, Flubendiamide 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, ethylene oxide-propylene oxide block copolymer, 10.0; Solvent, methyl alcohol 2.0, ethanol 3.0; Thickener, polyvinylpyrrolidone 1.0, polyethylene glycol 4.0; Antifreeze, 1.0; Preservative, Sodium Benzoate 0.2, formaldehyde 0.1; Isothiazolinone 0.7; Stabilizing agent, 1.0; Water 26.9.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Embodiment 9:30.0% nimbin Flubendiamide missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 1.0, Flubendiamide 29.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, and OP-10 10.0, calcium dodecyl benzene sulfonate 10.0; Solvent, methyl alcohol 23.0, toluene 21.9; Cosolvent, dimethyl formamide 0.1; Stabilizing agent, aminobenzoic acid 5.0.
The raw material of the above-mentioned weight ratio traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 10:30.0% nimbin Flubendiamide microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 1.0, Flubendiamide 29.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, polyoxyethylene alkylphenol ether 8.0; Xenol APEO 8.0; Solvent, methyl alcohol 28.0, toluene 22.0; Stabilizing agent, butyl glycidyl ether 0.1; Antifreeze, glycerine 0.1; Water 3.8.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 11:30.0% nimbin Flubendiamide aqueous emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 1.0, Flubendiamide 29.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, N-chain alkyl pyrrolidones 8.0, ethoxyquin alkyl ether 12.0, alkyl benzene calcium sulfonate 40.0; Solvent, methyl alcohol 0.1; Dispersant, polyvinyl alcohol 5.0; Antifreeze, poly-with glycol 0.1; Water 4.8.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made aqueous emulsion.
Embodiment 12:30.0% nimbin Flubendiamide suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 1.0, Flubendiamide 29.0.
Each composition percentage by weight (%) of assistant agent is: solvent, acetone 42.0, dimethyl formamide 8.0; Thickener, carboxy-propyl cellulose sodium 2.5, polyvinyl alcohol 2.5; Antifreeze, polyethylene glycol 5.0; Stabilizing agent, epoxidized soybean oil 5.0; Preservative, formaldehyde 0.1; Water 4.9.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Embodiment 13:2.1% nimbin Flubendiamide missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 0.1.
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 90.0; Cosolvent, cyclohexanone 6.9; Emulsifier, dibenzyl phenol APEO 0.1; Stabilizing agent, pyrogallic acid 0.9.
The above-mentioned weight ratio raw material traditional missible oil processing method of rear usefulness that is mixed is made insecticide emulsifiable concentrate.
Embodiment 14:2.1% nimbin Flubendiamide microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 0.1.
Each composition percentage by weight (%) of assistant agent is: emulsifier, polyoxyethylene phenylphenol ether 0.1; Solvent, dimethyl formamide 0.05, pyrrolidones 0.05; Stabilizing agent, pyrogallic acid 1.0; Antifreeze, ethylene glycol 3.4, glycerine 3.3; Water 90.0.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 15:2.1% nimbin Flubendiamide aqueous emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 0.1.
Each composition percentage by weight (%) of assistant agent is: solvent, ethylene glycol 0.1; Emulsifier, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester 5.6, alkyl benzene calcium sulfonate 2.0; Dispersant, polyvinyl alcohol 0.1; Antifreeze, glycerine 0.1; Water 90.0.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made aqueous emulsion.
Embodiment 16:2.1% nimbin Flubendiamide suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 0.1.
Each composition percentage by weight (%) of assistant agent is: emulsifier, alkyl benzene calcium sulfonate 0.5; Solvent, ethylene glycol 60.0; Thickener, gelatin 5.0; Stabilizing agent, castor oil 1.0; Antifreeze, ethylene glycol 0.5; Glycerine 0.5; Preservative, isothiazolinone 3.0, Sodium Benzoate 2.0; Water 25.4.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Embodiment 17:52.0% nimbin Flubendiamide missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, Flubendiamide 50.0.
Each composition percentage by weight (%) of assistant agent is: solvent, methyl alcohol 25.0; Cosolvent, cyclohexanone 5.0; Emulsifier, dibenzyl phenol APEO 17.9; Stabilizing agent: castor oil 0.1.
The above-mentioned weight ratio raw material traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 18:52.0% nimbin Flubendiamide microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, and Flubendiamide 50.0,
Each composition percentage by weight (%) of assistant agent is: emulsifier, triphenyl vinyl phenol oxirane nitranol salt 8.0, xenol APEO 1.0, polyoxyethylene phenylphenol ether 9.0; Solvent, dimethyl formamide 6.1; Stabilizing agent, pyrogallic acid 1.0; Antifreeze, ethylene glycol 2.0, glycerine 3.0; Water 17.9,
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made the insecticide microemulsion.
Embodiment 19:52.0% nimbin Flubendiamide aqueous emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, and Flubendiamide 50.0,
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 27.6, N-chain alkyl pyrrolidones 20.0; Emulsifier, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester 0.1; Dispersant, polyvinyl alcohol 0.1; Antifreeze, glycerine 0.1; Water 0.1,
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made aqueous emulsion.
Embodiment 20:52.0% nimbin Flubendiamide suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of host is: nimbin 2.0, and Flubendiamide 50.0,
Each composition percentage by weight (%) of assistant agent is: emulsifier, alkyl phenyl polyglycol ether 5.0; Solvent, isobutanol 18.9, methyl alcohol 10.0; Thickener, gum Arabic 0.5; Stabilizing agent, pyrogallic acid 0.5; Antifreeze, propane diols 0.5; Preservative, Sodium Benzoate 0.5; Water 12.1,
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Two, the composition that has an insecticidal activity is killed the test effect of brown planthopper:
Adopt the method for conventional biologicall test to measure nimbin, Flubendiamide and their both mixtures to the virulence of paddy rice evil brown planthopper nymph, and estimate its synergistic effect with co-toxicity coefficient.Concrete operations are described below:
Brown planthopper (Nilaparvata lugens), the brown planthopper adult of picking up from suburbs, Yangzhou, Jiangsu Province paddy field is raised number after generation indoor laying eggs, with 3 age nymph measure.Adopt dipping seedling method to measure.Carry out first preliminary experiment, rice seedling (without worm, ovum) is cleaned, dried, cut off some rice roots, rice seedling is put 30 seconds of into the liquid immersion, taking-up is dried, pack in the Boiling tube of 3 * 30cm, pipe is put into a small amount of water in the end, every test tube access indoor feeding 3 age 20 of nymphs, put into 28 ± 2 ℃ of culturing room, check the survival borer population after 72 hours, be treated to blank with distilled water+DMF+ acetone+emulsifier Qu Latong.Every concentration triplicate, the calculation correction lethality is obtained the concentration of lethality 10% and 90%.According to the preliminary experiment result, each treatment agent and compounded combination thereof are diluted to respectively 5 series concentration to the brown planthopper lethality in 10% and 90% concentration range, lethality and corrected mortality are calculated in the same preliminary experiment of test determination method, obtain virulence regression equation and LC with the probit value method
50Value, co-toxicity coefficient adopt the abundant method of Sun Yun to calculate.
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with.
When co-toxicity coefficient obviously greater than 100 the time, showing has synergistic effect; Near 100, expression has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation are as shown in table 1:
Table 1 single dose and mixture are to the Toxicity Determination result (72 hours) of brown planthopper nymph in 3 age
| Reagent agent | Virulence regression equation | LC 50Value (μ g/mL) | Correlation coefficient | Co-toxicity coefficient |
| Nimbin | Y＝2.1580+1.7907X | 38.63 | 0.9852 | |
| Flubendiamide | Y＝5.7764+1.7634X | 0.36 | 0.9844 | |
| Nimbin: Flubendiamide=1: 500 | Y＝6.0696+2.1763X | 0.32 | 0.9871 | 112.74 |
| Nimbin: Flubendiamide=1: 29 | Y＝5.9498+1.8495X | 0.31 | 0.9896 | 122.42 |
| Nimbin: Flubendiamide=1: 25 | Y＝6.2358+1.8973X | 0.22 | 0.9965 | 169.02 |
| Nimbin: Flubendiamide=1: 10 | Y＝6.1809+2.0111X | 0.26 | 0.9902 | 154.13 |
| Nimbin: Flubendiamide=20: 1 | Y＝3.4939+2.0343X | 5.50 | 0.9862 | 116.63 |
As can be seen from Table 1, each proportioning of nimbin, Flubendiamide, nimbin and Flubendiamide is mixed to effective lethal concentration of 50 LC of brown planthopper nymph in 3 age
50Value according to the order of sequence (1: 500,1: 29,1: 25,1: 10,20: 1) is respectively 38.63 μ g/mL, 0.36 μ g/mL, 0.32 μ g/mL, 0.31 μ g/mL, 0.22 μ g/mL, 0.26 μ g/mL and 5.50 μ g/mL; The co-toxicity coefficient that each proportioning of nimbin and Flubendiamide is mixed according to the order of sequence (1: 500,1: 29,1: 25,1: 10,20: 1) is respectively 112.74,122.42,169.02,154.13 and 116.63.Nimbin and Flubendiamide proportioning are to have synergistic effect in 1: 500,1: 29,1: 25,1: 10 and 20: 1, and wherein proportioning is that synergistic effect in 1: 25 o'clock is the most obvious.
Three, mixed insecticide field control effectiveness test
Field control effectiveness test adopts the control Brown Planthopper, with 2.1% nimbin Flubendiamide missible oil (embodiment 13), 2.1% nimbin Flubendiamide microemulsion (embodiment 14), 2.1% nimbin Flubendiamide aqueous emulsion (embodiment 15) and 2.1% nimbin Flubendiamide suspending agent (embodiment 16), 22.0% nimbin Flubendiamide missible oil (embodiment 1), 22.0% nimbin Flubendiamide microemulsion (embodiment 2), 22.0% nimbin Flubendiamide aqueous emulsion (embodiment 3), 22.0% nimbin Flubendiamide suspending agent (embodiment 4), 52.0% nimbin Flubendiamide missible oil (embodiment 17), 52.0% nimbin Flubendiamide microemulsion (embodiment 18), 52.0% nimbin Flubendiamide aqueous emulsion (embodiment 19) and 52.0% nimbin Flubendiamide suspending agent (embodiment 20) be totally 12 kinds of medicaments, blank and 0.3% nimbin emulsion are set simultaneously, the contrast of 20.0% Flubendiamide water dispersible granules, every processing repeats 3 times.Result of the test sees Table 2:
Table 2 Mixed Pharmacy spray-on process control Brown Planthopper field control effectiveness test
| Process | Insect population decline rate (%) |
| CK | 0 |
| 0.3% nimbin emulsion | 69.88 |
| 20% Flubendiamide water dispersible granules | 75.59 |
| Embodiment 13 | 63.19 |
| Embodiment 14 | 56.03 |
| Embodiment 15 | 51.41 |
| Embodiment 16 | 48.88 |
| Embodiment 1 | 92.13 |
| Embodiment 2 | 88.50 |
| Embodiment 3 | 85.18 |
| Embodiment 4 | 84.50 |
| Embodiment 17 | 98.83 |
| Embodiment 18 | 93.12 |
| Embodiment 19 | 92.72 |
| Embodiment 20 | 87.61 |
As can be seen from Table 2: in field control effectiveness test, two single doses are processed and 12 mixture processed group all have good control efficiency to Brown Planthopper, after illustrating that nimbin and Flubendiamide are mixed, each preparation of preparation all satisfies the needs of the rice grubs such as control brown planthopper.
Claims (6)
1. pesticidal preparations of preventing and treating the rice grub plant hopper, it is characterized in that its active ingredient is nimbin and Flubendiamide, described nimbin accounts for the 0.1-2.0% of total formulation weight amount, Flubendiamide accounts for the 0.1-50.0% of total formulation weight amount, all the other are assistant agent, and the formulation of making is emulsifiable concentrate, microemulsion, aqueous emulsion or suspending agent.
2. the pesticidal preparations of control rice grub plant hopper as claimed in claim 1 is characterized in that described Flubendiamide accounts for the 0.1-30.0% of total formulation weight amount.
3. the pesticidal preparations of control as claimed in claim 1 or 2 rice grub plant hopper, when it is characterized in that described formulation is emulsifiable concentrate, each component accounts for the gross weight ratio of preparation and is in the assistant agent: solvent 25.0-90.0%, emulsifier 0.1-20.0%, cosolvent 0.1-5.0%, stabilizing agent 0.1-5.0%, the total amount sum of each component is 100%;
Described solvent is selected from least a in your ketone of dimethylbenzene, toluene, benzene, different fluorine, pyrrolidones, methyl alcohol, ethanol, acetone, butanols, ethylene glycol, dimethyl formamide, the acetonitrile;
Described emulsifier is selected from least a among the multiple phenol polyethenoxy ether of calcium dodecyl benzene sulfonate, dibenzyl phenol APEO, styrylphenol polyoxyethylene ether, benzyl, the multiple phenol polyethenoxy base ether of α-methylbenzyl, farming breast 0201, Tween-20, Tween-40, Tween-60, Tween-80, penetrating agent BX, the OP-10;
Described cosolvent is selected from least a in cyclohexanone, pyrrolidones, the dimethyl formamide;
Described stabilizing agent is selected from least a in aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, the n-propyl gallate.
4. the pesticidal preparations of control as claimed in claim 1 or 2 rice grub plant hopper, when it is characterized in that described formulation is microemulsion, each component accounts for the gross weight ratio of preparation and is in the assistant agent: emulsifier 0.1-70%, solvent 0.1-50.0%, stabilizing agent 0.1-5.0%, antifreeze 0.1-5.0%, the surplus water is supplemented to 100.0%;
Described emulsifier is selected from least a in triphenyl vinyl phenol oxirane nitranol salt, alkyl two polyoxy vinyl sulfonic acid calcium salts, styrylphenol polyoxyethylene ether, xenol APEO, the polyoxyethylene phenylphenol ether;
Described solvent is selected from least a in cyclohexanone, pyrrolidones, dimethyl formamide, dimethylbenzene, toluene, benzene, the cyclohexanol;
Described stabilizing agent is selected from least a in aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate, butyl glycidyl ether, phenyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorbitol;
Described antifreeze is selected from least a in ethylene glycol, propane diols, glycerine, polyethylene glycol, the sorbierite.
5. the pesticidal preparations of control as claimed in claim 1 or 2 rice grub plant hopper, when it is characterized in that described formulation is aqueous emulsion, the gross weight ratio that each component of assistant agent accounts for preparation is: solvent 0.1-60.0%, emulsifier 0.1-60%, dispersant 0.1-5.0%, antifreeze 0.1-5.0%, the surplus water is supplemented to 100.0%;
Described solvent is selected from least a in methyl alcohol, dimethylbenzene, ethylene glycol, propane diols, polyethylene glycol, the N-chain alkyl pyrrolidones;
Described emulsifier is selected from ethylene oxide-propylene oxide block copolymer, alkyl polyglycol ether, alkyl phenyl polyglycol ether, polyoxyethylene sorbitol acid anhydride ester, polyoxyethylene fatty acid ester, 2,4,6-three (1-phenethyl) phenol gathers at least a in (20) ethylene glycol phosphate monoester, ethoxyquin alkyl phenylate, ethoxyquin alkyl ether, alkyl benzene calcium sulfonate, the oxirane-fatty acid primary amine condensation product;
Described dispersant is selected from least a in polyvinyl alcohol, the gum Arabic;
Described antifreeze is selected from least a in ethylene glycol, propane diols, glycerine, polyethylene glycol, the sorbierite.
6. the pesticidal preparations of control as claimed in claim 1 or 2 rice grub plant hopper, when it is characterized in that described formulation is suspending agent, the gross weight ratio that each component of assistant agent accounts for preparation is: solvent 0.1-60.0%, emulsifier 0.1-60%, stabilizing agent 0.1-5.0%, antifreeze 0.1-5.0%, thickener 0.1-5.0%, preservative 0.1-5.0%, the surplus water is supplemented to 100.0%;
Described emulsifier is ethylene oxide-propylene oxide block copolymer, alkyl polyglycol ether, alkyl phenyl polyglycol ether, polyoxyethylene sorbitol acid anhydride ester, polyoxyethylene fatty acid ester, 2,4,6-three (1-phenethyl) phenol gathers at least a in (20) ethylene glycol phosphate monoester, ethoxyquin alkyl phenylate, ethoxyquin alkyl ether, alkyl benzene calcium sulfonate, the oxirane-fatty acid primary amine condensation product;
Described solvent is selected from least a in toluene, dimethylbenzene, ethylene glycol, propane diols, polyethylene glycol, N-chain alkyl pyrrolidones, methyl alcohol, ethanol, propyl alcohol, butanols, isobutanol, cyclohexanone, MEK, dimethyl formamide, the dimethyl sulfoxide (DMSO);
Described thickener is at least a in gelatin, polyvinyl alcohol, styrene-butadiene latex, gum Arabic, sodium alginate, xanthans, sodium carboxymethylcellulose, carboxy-propyl cellulose sodium, polyethylene glycol, polyethylene glycol oxide, polyvinylpyrrolidone, polyacrylamide, soluble starch, dextrin, polyvinyl acetate, the naphthols-formaldehyde resin;
Described stabilizing agent is selected from least a in epoxidized soybean oil, epoxidized linseed, aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate, butyl glycidyl ether, phenyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorbitol;
Described antifreeze is selected from least a in ethylene glycol, propane diols, glycerine, polyethylene glycol, the sorbierite;
Described preservative is selected from least a in formaldehyde, Sodium Benzoate, the isothiazolinone.
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| CN1235766A (en) * | 1999-05-28 | 1999-11-24 | 华南农业大学 | Nimbin mixed pesticide preparation and its preparing method |
| WO2002088075A1 (en) * | 2001-04-26 | 2002-11-07 | Nihon Nohyaku Co., Ltd. | Phthalamide derivatives, insecticides for agricultural and horticultural use and method for application thereof |
| CN1505612A (en) * | 2001-04-26 | 2004-06-16 | �ձ��ݶ�ũҩ��ʽ���� | Phthalamide derivative and insecticide for agriculture and horticulture and method for using the same |
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| CN1235766A (en) * | 1999-05-28 | 1999-11-24 | 华南农业大学 | Nimbin mixed pesticide preparation and its preparing method |
| WO2002088075A1 (en) * | 2001-04-26 | 2002-11-07 | Nihon Nohyaku Co., Ltd. | Phthalamide derivatives, insecticides for agricultural and horticultural use and method for application thereof |
| CN1505612A (en) * | 2001-04-26 | 2004-06-16 | �ձ��ݶ�ũҩ��ʽ���� | Phthalamide derivative and insecticide for agriculture and horticulture and method for using the same |
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