CN102379288B - Pesticide composition containing dicyclanil and spinosad - Google Patents
Pesticide composition containing dicyclanil and spinosad Download PDFInfo
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- CN102379288B CN102379288B CN201110329680.8A CN201110329680A CN102379288B CN 102379288 B CN102379288 B CN 102379288B CN 201110329680 A CN201110329680 A CN 201110329680A CN 102379288 B CN102379288 B CN 102379288B
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- cga
- multiple killing
- killing teichomycin
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Abstract
The invention discloses a pesticide composition containing dicyclanil and spinosad. The pesticide composition comprises dicyclanil, spinosad and other additives, wherein the weight ratio of the dicyclanil to the spinosad is (40:1)-(1:1), and preferably (20:1)-(1:1). The dicyclanil and spinosad account for 1-80% of the total weight of the composition. Many indoor toxicity measurement and field experiments show that the pesticide composition disclosed by the invention has an obvious synergetic effect and has good effects on preventing and controlling thrips on crops.
Description
Technical field
The present invention relates to a kind of composition pesticide, is that to take CGA 183893 and multiple killing teichomycin be active ingredient, for preventing and treating crops thrips.
Background technology
CGA 183893 (dicyclanil) is aminopyrimidine insecticide, thereby its mechanism of action is mainly to destroy biochemical the synthesizing of amino acid of insect by suppressing dihydrofoilic acid ester reductase.It to tobacco leaf noctuid, the cotton boll on the crops such as cotton, corn, paddy rice, vegetables resemble, the insect such as brown plant-hopper, rice leafhopper has good control efficiency.
Multiple killing teichomycin (spinosad) be thorn sugared many born of the same parents bacterium (Saccharopolyspora spinosa) in culture medium through aerobic fermentation and secondary metabolite.Its main active component has multiple killing teichomycin (Spinosad) A and multiple killing teichomycin (Spinosad) D.Multiple killing teichomycin has and tags fast and Oral toxicity insect, its mechanism of action is by stimulating the nervous system of insect, increase its constitutive activity, cause flesh contraction, the exhaustion of non-functional, and follow and tremble and benumb, demonstrate nAChR (nChR) and caused that by sustained activation acetylcholine (Ach) extends release reaction.It has good control efficiency to Lepidoptera, diptera and thrips insect, particularly the insects such as diamond-back moth, thrips is had to very high insecticidal activity.
Thrips (
thripidae) belonging to thrips insect, mainly cause harm melon and fruit, vegetables and flowers etc., all have generation throughout the year.Thrips inhales plant tender tissue (branch, blade, flower, fruit etc.) juice with adult and nymph file, killed tender leaf, hard curling the withering of tender shoot mutation, and plant strain growth is slow, and internode shortens; After the tender fruit of children (as eggplant, cucumber, watermelon etc.) is killed, can harden, when serious, cause shedding, have a strong impact on its yield and quality.
The main medicament of current domestic registration control crop thrips has single dose and the mixture preparations thereof such as Avermectin, Acetamiprid, dichlorvos, beta-cypermethrin, the continuous release explanation thrips of these medicaments prevents and treats the history that history is the continuous renewal replacement of a medicine system, and the resistance problem of thrips is more and more serious.Therefore, the research and development of thrips control medicament, play positive role to agricultural production.
Due to the long-term single chemical agent of use of high dose continuously, easily cause that medicament is residual, the problems such as environmental pollution and insect develop immunity to drugs, and different pesticide species reasonable composite or be mixed, there is expansion insecticidal spectrum, the advantage such as improve control efficiency, reduce dosage, reduce poisoning, reduce cost and slow down that insect develops immunity to drugs is the important means of disease, worm, the crop smothering comprehensive regulation.
The inventor conducts in-depth research the formula screening of CGA 183893 and multiple killing teichomycin, finds that CGA 183893 and multiple killing teichomycin are mixed, and has obvious synergistic effect within the scope of certain mixed ratio, and thrips insect thrips is had to good control efficiency.After further study, completed the present invention.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide that contains CGA 183893 and multiple killing teichomycin with synergistic effect, can effectively prevent and treat crops thrips, reduce drug cost and slow down the generation of pest resistance to insecticide.
The technical scheme of realization of the present invention: take CGA 183893 and multiple killing teichomycin as active ingredient, the ratio of weight and number of CGA 183893 and multiple killing teichomycin is 40
:1～1
:1, preferred weight portion rate is 20
:1～1
:1.CGA 183893 and the percentage by weight of multiple killing teichomycin weight summation in composition pesticide are 1%～80%, and all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
Composition pesticide of the present invention is prepared into and is applicable to upper any one formulation used of agricultural by known method, and reasonable formulation has suspending agent or water dispersible granules.
The auxiliary element using in composition pesticide of the present invention comprises that solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are of value to active ingredient and in preparation, stablize and bring into play the known substance of drug effect, be all various compositions conventional in pesticidal preparations or that allow to use, concrete composition and consumption require to determine by test according to formula.
Composition pesticide of the present invention is applicable to prevent and treat the thrips in crops.
Compared with prior art, advantage of the present invention is as follows.
1, composition pesticide provided by the invention shows obvious synergistic effect in certain ratio range, and the control efficiency of composition is significantly improved than single dose, has reduced the using dosage of agricultural chemicals, has reduced the impact of agricultural chemicals on environment, has reduced drug cost.
2, the active ingredient mechanism of action of composition pesticide provided by the invention is different, and the application of composition can delay or overcome the generation of pest resistance to insecticide, extends the service life of medicament, is conducive to the comprehensive regulation of insect.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these embodiment.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Content described in embodiment is all weight percentage.
biologicall test embodiment 1:the composite indoor joint toxicity measuring to eggplant thrips of CGA 183893 and multiple killing teichomycin.
Test medicine adopts the former medicine of 90% CGA 183893, the former medicine of 90% multiple killing teichomycin.
Examination worm be the eggplant thrips adult gathering from field, through indoor eggplant seedling, raise, the first generation hatch 2 age nymph.
Prepare the liquid of different proportionings, then the liquid of each different proportioning is arranged to 6 concentration gradients again, each concentration liquid is filled with to 3 of the centrifuge tubes (establishing 3 repetitions) of 1.5ml, carry out mark, after placement 4h, liquid is poured out, centrifuge tube is dried naturally, stand-by, blank is set.
After fresh Brussels sprouts leaf is cleaned, dried, in each treatment fluid, flood 10s, carry out mark, then dry stand-byly, blank is set.
The fine needle needle point that is about 10cm left and right is heated to the several seconds with alcolhol burner, at the bottom of then this needle point being thrust to centrifuge tube pipe, scald the aperture of diameter 3mm left and right.Then with blotting paper, centrifuge tube pipe capping plug is full, for keeping at experimentation, in centrifuge tube, do not form the globule.By processing the cabbage leaves dry through liquid and be cut into little of the rectangle of 2cm * 4cm, with tweezers, sandwich in the centrifuge tube that flooded identical liquid 1 of every pipe.
The interface of vavuum pump is sealed with gauze, be enclosed within the centrifuge tube mouth of pipe that sandwiches cabbage leaves, open vavuum pump, regulate air-flow size, the aperture at the bottom of centrifuge tube pipe is aimed to eggplant thrips, make its favorable current suck centrifuge tube.Every pipe is inhaled 30 of eggplant thrips nymphs in 2 age, then builds pipe lid, with sealed membrane, seals boiling hot hole, is placed in 3d under 25 ℃ of environment.
After 3d, the examination worm in centrifuge tube and blade are poured out and be placed on blank sheet of paper, with writing brush, touch polypide, not creeping, be considered as death, record examination worm sum, dead borer population.With DPS statistical analysis software, carry out statistical analysis, calculate the LC of each medicament
50, evaluate the insecticidal activity of each medicament.And according to grandson, in abundant method, calculate co-toxicity coefficient (the CTC value of mixture.）
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100.The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture.Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] * 100.
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Result of the test is in Table 1.As can be seen from Table 1, CGA 183893 and multiple killing teichomycin are 40
:1～1
:1(is by weight) scope in be mixed obvious to the synergy of eggplant thrips, especially 20
:1～1
:1(is by weight) scope in, synergistic effect is more obvious, co-toxicity coefficient (CTC) is all more than 200, visible CGA 183893 and multiple killing teichomycin are mixed and have reasonability and feasibility.
Table 1, CGA 183893 and the multiple killing teichomycin joint toxicity measuring result to eggplant thrips.
fORMULATION EXAMPLE 1:20% CGA 183893 multiple killing teichomycin water dispersible granules.
CGA 183893 18%, multiple killing teichomycin 2%, wetting agent lauryl sodium sulfate 6%, dispersant polycarboxylate 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stabilizing agent soluble starch 3%, surplus is carrier kaolin.By above-mentioned formula, dry pulverization process, granulation, dry, screening make 20% CGA 183893 multiple killing teichomycin water dispersible granules in proportion.
Said preparation embodiment is used for preventing and treating eggplant thrips.Test site is positioned at one food market, Shi Zhen village, Chen Jiang town, Huizhou, and dispenser object is eggplant thrips.Experimental scheme adopts randomised block design, community area 100m
2, establish 4 repetitions.Investigation method: 10 strain eggplant seedlings are investigated in every community, investigates the worm alives in all different length of times on whole plant, investigates insect population radix before dispenser, and after medicine, 1d, 3d, 7d investigate remaining borer population alive.Result of the test is in Table 2.
Table 2, the control efficiency of 20% CGA 183893 multiple killing teichomycin water dispersible granules to eggplant thrips.
As can be seen from Table 2: 20% CGA 183893 multiple killing teichomycin water dispersible granules is used 20～40 grams/acre to the control efficiency of eggplant thrips, significantly better than 10% 60 grams/acre of CGA 183893 suspending agent uses and 2.5% multiple killing teichomycin suspending agent, to use 100 grams/acre.
fORMULATION EXAMPLE 2:15% CGA 183893 multiple killing teichomycin suspending agent.
CGA 183893 13%, multiple killing teichomycin 2%, lauryl sodium sulfate 6%, sodium lignin sulfonate 4%, carboxymethyl cellulose 0.2%, xanthans 0.2%, defoamer 0.15%, surplus is deionized water.Take water as medium, above-mentioned formula is added in sand mill machine and ground, then add emulsification in high-shear emulsifying axe, make 15% CGA 183893 multiple killing teichomycin suspending agent.
Said preparation embodiment is used for preventing and treating watermelon thrips.Test site is positioned at one food market, Li Lin village, Li Lin town, Huizhou, and dispenser object is watermelon thrips.Experimental scheme adopts randomised block design, community area 100m
2, establish 4 repetitions.Investigation method: 10 strain melon seedlings are investigated in every community, investigates the worm alives in all different length of times on whole plant, investigates insect population radix before dispenser, and after medicine, 1d, 3d, 7d investigate remaining borer population alive.Result of the test is in Table 3.
Table 3, the control efficiency of 15% CGA 183893 multiple killing teichomycin suspending agent to watermelon thrips.
As can be seen from Table 3: 15% CGA 183893 multiple killing teichomycin suspending agent is used 30～50 grams/acre to the control efficiency of watermelon thrips, significantly better than 10% 60 grams/acre of CGA 183893 suspending agent uses and 2.5% multiple killing teichomycin suspending agent, to use 100 grams/acre.
In sum, CGA 183893 and the effect of multiple killing teichomycin compound synergic are obvious, and thrips is had to obvious control efficiency, are conducive to reduce use cost, and therefore, this complex preparation is worth promoting the use of on crop pests thrips.
Claims (1)
1. a composition pesticide that contains CGA 183893 and multiple killing teichomycin, active ingredient is CGA 183893 and multiple killing teichomycin, it is characterized in that: percentage by weight is CGA 183893 18% multiple killing teichomycin 2%, wetting agent lauryl sodium sulfate 6%, dispersant polycarboxylate 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stabilizing agent soluble starch 3%, surplus is carrier kaolin, and by above-mentioned formula, dry pulverization process, granulation, dry, screening make 20% CGA 183893 multiple killing teichomycin water dispersible granules in proportion.
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| CN201110329680.8A CN102379288B (en) | 2011-10-26 | 2011-10-26 | Pesticide composition containing dicyclanil and spinosad |
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|---|---|---|---|
| CN201110329680.8A CN102379288B (en) | 2011-10-26 | 2011-10-26 | Pesticide composition containing dicyclanil and spinosad |
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| CN102379288B true CN102379288B (en) | 2014-04-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103355340B (en) * | 2012-03-31 | 2016-02-17 | 陕西韦尔奇作物保护有限公司 | A kind of Pesticidal combination containing pyridalyl |
| CN105766983B (en) * | 2012-05-16 | 2018-09-07 | 陕西汤普森生物科技有限公司 | A kind of Pesticidal combination containing CGA 183893 and anabasine |
| CN103416406B (en) * | 2012-05-26 | 2015-10-14 | 陕西汤普森生物科技有限公司 | A kind of Pesticidal combination containing CGA 183893 and neires toxin |
| CN103444765A (en) * | 2012-05-31 | 2013-12-18 | 陕西汤普森生物科技有限公司 | Dicyclanil and pyrethroid-containing insecticidal composition |
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|---|---|---|---|---|
| AU2007202548B1 (en) * | 2007-06-01 | 2007-11-01 | Zoetis Services Llc | Pesticide Composition |
| CN101919391A (en) * | 2010-08-20 | 2010-12-22 | 青岛海利尔药业有限公司 | Insecticidal composition containing spinosad and cyromazine |
| CN102250017A (en) * | 2011-06-15 | 2011-11-23 | 扬州天和药业有限公司 | Synthesizing method of dicyclanil |
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Effective date of registration: 20190801 Address after: 234000 Room 108, 4 Building, Xichang South Road Healthy Business Industrial Park, Shoe City Management Committee, Suzhou City, Anhui Province Patentee after: Anhui Huateng agricultural science and Technology Co. Ltd. Address before: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 24 District Patentee before: Guangdong Zhongxun Agricultural Technology Co., Ltd. |