CN104509536A - Insecticide composition containing pymetrozine and bisultap - Google Patents
Insecticide composition containing pymetrozine and bisultap Download PDFInfo
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- CN104509536A CN104509536A CN201410835607.1A CN201410835607A CN104509536A CN 104509536 A CN104509536 A CN 104509536A CN 201410835607 A CN201410835607 A CN 201410835607A CN 104509536 A CN104509536 A CN 104509536A
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Abstract
The invention discloses an insecticide composition containing pymetrozine and bisultap. The insecticide composition comprises effective components such as pymetrozine and bisultap, wherein the weight ratio of pymetrozine to bisultap is 1:(1-50). On the basis that the original prevention effect of the insecticide composition is maintained, not only is the insecticidal spectrum widened, but also the medicine resistance of insects to the medicine is delayed, and a synergism function is achieved. As the price of pymetrozine is higher than that of bisultap, when bisultap is compounded with a small amount of pymetrozine, the insecticidal efficacy of the insecticide composition is remarkably higher than that of pymetrozine or bisultap which is used independently, the production cost is lowered, and the economic burden of peasants is alleviated.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of Pesticidal combination simultaneously containing pymetrozine and dimehypo.
Background technology
In recent years, carry out science with two or more insecticide composite, in order to expand insecticidal spectrum or to improve control efficiency, find broad application.As emamectin-benzoate and the composite agricultural chemicals of dimehypo, phoxim and dimehypo, chlopyrifos and dimehypo, Methomyl and dimehypo etc. are applied in agricultural production.
Paddy rice is China's staple food crop, and the snout moth's larva of rice and rice fulgorid are the primary pests in Rice Cropping, and wherein endangering with striped rice borer and brown planthopper, white-backed planthopper is again very.
China paddy rice endangers one of Occurrence the most serious to striped rice borer Chilo suppressalis (Walker), be injured in tillering stage and cause withered sheath, withered heart seedling, be injured in the fringe phase and cause insect bite strain and dead ears, the general time underproduction 8% ~ 10%, time serious, the underproduction is more than 3 one-tenth.All there is distribution in domestic Ge Dao district, comparatively paddy stem borer and pink rice borer distribution wide, but mainly with the Yangtze river basin and on the south rice district occur heavier, there is quantity in recent years in the situation obviously risen.Striped rice borer, except hazard rice, can also endanger the weeds such as crop and reed, barnyard grass, Leersia Sw such as wild rice stem, corn, Chinese sorghum, sugarcane, rape, broad bean, wheat class.
Striped rice borer is not only the important pests in China's Rice Production, and paddy fields distribution is also very wide abroad, and such as, the harm of the striped rice borer such as Korea, Japan, Philippine, Vietnam, Thailand, Malaya, Indonesia, India, Egypt is also very serious.
Rice hoppers (rice planthopper) belongs to Homoptera Delphacidae.Hazard rice mainly contain brown planthopper, white-backed planthopper and small brown rice planthopper three kinds.Endangering heavier is brown planthopper and white-backed planthopper, and the later stage is based on brown planthopper based on white-backed planthopper early stage for early rice; Middle late rice is based on brown planthopper.
When brown planthopper takes food, lancet extends leaf sheath phloem, first by glandula secretion along lancet congeal into " stylophore " aspirate juice.Plant is light green, cover and the rice field insect density of ponding is large.Generally first entreat intensive causing harm Tanaka, after expand gradually.In paddy rice booting to the plant in flowering stage, water-soluble protein content increases, the generation of favourable brachypterism type.This kind of female worm egg laying amount is large, and female than high, the life-span is long, often makes brown planthopper insect population increase sharply.Brown planthopper is every femalely generally lays eggs 150 ~ 500.Trace of laying eggs is just not obvious, rear in brown streak.
The habit of white-backed planthopper is close with brown planthopper, but feeding habits are wider.Feeding site in rice strain, slightly higher than brown planthopper, and can in Culm of Rice and vacuum side of blade activity.Long wing female adult pest can lay eggs 300 ~ 400, and brachypterism type egg laying amount is about high by 20%.Minority is laid eggs in blade base in arteries and veins, and trace of laying eggs ftractures.Small brown rice planthopper first concentrate limit, field cause harm, after spread Tanaka.Overwinter generation is many with brachypterism type, and all the other are respectively in the majority for long wing, every female egg laying amount more than 100.
Rice fulgorid causing harm to paddy rice, except directly thorn inhales juice, make growth retardation, time serious, rice clump is agglomerating withered, outside the dead stalk lodging in even full field, lays eggs and also can stab plant, destroy conducting tissue, hinder nutriment to transport and the viral disease that spreads disease.
At present, the compounded pesticides kind of water prevention rice borer and plant hopper is a lot, mainly contains the good Imidacloprid of rice fulgorid control efficiency and the formula preventing and treating the pesticide compositionals such as the good Cupric sulfate of snout moth's larva effect, Hostathion.
But the resistance due to Imidacloprid increases very fast, and along with the accumulation of service time, control efficiency constantly declines, and mu dosage significantly increases, and not only increases agriculture production cost, and increases the impact on environment.
Particularly Imidacloprid not only has resistance, but also the bee colony poisoning of pollen is propagated seriously to occurring in nature, because the bee colony this reducing occurring in nature propagates plant pollen, block the breeding chain of occurring in nature plant, caused serious threat to natural, ecological diversity.Therefore can Imidacloprid continue to use, and creates heated argument in agricultural management department and pesticide producing department.EFSA (EFSA) issues a public proclamation title, will reset the toxicity criterion of the nicotinoids such as Imidacloprid, Acetamiprid agricultural chemicals.Pest control management organization of Canada (PMRA) evaluates again by the environmental risk of nicotinic insecticide Imidacloprid.Environmental Protection Agency just started as far back as 2009 openly to carry out review to nicotinic insecticide Imidacloprid.Environmental Protection Administration of Brazil (IBAMA) also will reappraise four nicotinic insecticide Imidacloprids.
Summary of the invention
The object of the invention is to develop immunity to drugs to overcome or delaying insect, expand pest control spectrum, accomplish a dispenser, doublely control various pests, provide a kind of insecticidal spectrum extensively to have again the significant Pesticidal combination of synergistic effect.
Object of the present invention can be reached by following measures:
Contain a Pesticidal combination for pymetrozine and dimehypo, said composition contains active ingredient pymetrozine and dimehypo, and wherein the mass ratio of pymetrozine and dimehypo is 1:1 ~ 50.
Pymetrozine in the present composition and the proportioning of dimehypo can adjust in the reasonable scope according to specifically using situation, and the weight ratio of both such as pymetrozine and dimehypo is 1:1 ~ 50,1:1 ~ 45,1:1 ~ 40,1:1 ~ 35,1:1 ~ 30,1:1 ~ 25,1:1 ~ 20,1:1 ~ 15,1:1 ~ 10,1:5 ~ 50,1:5 ~ 45,1:5 ~ 40,1:5 ~ 35,1:5 ~ 30,1:5 ~ 25,1:5 ~ 20,1:5 ~ 15,1:5 ~ 10,1:10 ~ 40,1:10 ~ 30,1:20 ~ 30,1:2 ~ 40,1:2 ~ 30 etc.In some preferred versions, the weight ratio of the two can be 1:55,1:50,1:45,1:40,1:39,1:38,1:37,1:36,1:35,1:34,1:33,1:32,1:31,1:30,1:29,1:28,1:27,1:26,1:25,1:24,1:23,1:22,1:21,1:20,1:19,1:18,1:17,1:16,1:15,1:14,1:13,1:12,1:11,1:10,1:9,1:8,1:7,1:6,1:5,1:4,1:3,1:2,1:1,2:1 etc.
In the present composition, the mass content of active ingredient pymetrozine and dimehypo can be 1 ~ 99%, preferably 5 ~ 90%, further preferably 20 ~ 80%.
Composition of the present invention with pymetrozine and dimehypo for active ingredient, can be equipped with insecticides adjuvant, makes acceptable formulation on agricultural chemicals, such as solvable pulvis, wetting powder or water dispersible granules etc.
This Pesticidal combination containing pymetrozine and dimehypo can be applicable to control lepidoptera pest or perverse suction mouthpart insect to crop pests aspect, is particularly applied to control striped rice borer or rice fulgorid to crop pests aspect.
Pymetrozine belongs to pyridines or triazines insecticide, is brand-new non-killing livestock property insecticide, is developed the earliest by Ciba-Geigy company of Switzerland in 1988, and the sucking pest of this product to various crop shows excellent control efficiency.Pymetrozine has action of contace poison to insect, also has systemic activity simultaneously.Can also can at phloem transport in xylem transporting in plant corpus; Therefore both can be used as foliar spray, also can be used for soil treatment.Due to the transporting characteristic that it is good, the branches and leaves newly grown after cauline leaf spraying also can be effectively protected.
The prevention and treatment range of pymetrozine has the various pests such as aphid section, Delphacidae, Aleyrodidae, Cicadellidae, as cabbage aphid, cotten aphid, wheat aphid, black peach aphid, little green statin leafhopper, brown planthopper, small brown rice planthopper, white-backed planthopper, sweet potato whitefly and greenhouse whitefly etc.Be applicable to the crops such as vegetables, wheat, paddy rice, cotton, fruit tree.
Dimehypo (bisultap), nereistoxin insecticides is a kind of never poison, insect contact and show after taking food medicament blunt, slow in action, lose that the infringement ability of crop, stasi, polypide are softening, paralysis is until dead.Dimehypo has very strong systemic action, can be absorbed and conduction by the leaf of crop, root etc.Dimehypo belongs to bionic type agricultural chemicals, affects little, non-resistant on environmental organism and pest natural enemy, without residual hazard, free from environmental pollution, is the comparatively ideal medicament of comprehensive regulation insect pest.
Dimehypo has stronger tagging and stomach poison function to insect, and has certain fumigation action concurrently.There is very strong systemic action, can be absorbed and conduction by the leaf of crop, stem, root etc.Be applicable to the crops such as paddy rice, vegetables, fruit tree, cotton and wheat.Particularly there is special efficacy to the snout moth's larva of rice, now become the conventional medicament of snout moth's larva of rice control.
In sum, these two kinds of medicaments are all safety, efficient, environmental protection type agricultural chemical.But respectively there are pluses and minuses when both are used alone, as dimehypo is as effective in striped rice borer, paddy stem borer, rice leaf roller to lepidoptera pest, to perverse suction mouthpart insect weak effects such as rice fulgorids, and pymetrozine shows excellent control efficiency to sucking pest such as rice fulgorid etc., but poor to lepidoptera pest control efficiency.
Dimehypo and pymetrozine is utilized to be effective ingredient, according to the different ratio that the present invention states, with those skilled in that art's known formulations of pesticide processing insecticides adjuvant, with the known formulations of pesticide processing method of those skilled in that art, the various formulations of pesticide can be processed into.
The advantage that the Pesticidal combination containing pymetrozine and dimehypo of the present invention has and beneficial effect are: 1, expand insecticidal range, accomplish a dispenser, various pests is double to be controlled; 2, the lasting period is long; 3, low toxicity, low-residual, nuisanceless, environmentally safe; 4, use compound formulation, the consumption of two kinds of insecticides all reduces than during single use, thus improves insecticidal effect, adds safety, decreases environmental pollution.
Embodiment
Detailed description below by specific embodiment illustrates the present invention further, but is not limitation of the present invention, only does example explanation.
Embodiment 1: pymetrozine and dimehypo different ratio measure the co-toxicity coefficient of rice-stem borer
In order to confirm pymetrozine and dimehypo mixture, there is synergistic effect, summation action or antagonism, first we carried out recipe determination research to pymetrozine and dimehypo, the object of indoor biometrics is decided to be in China's Rice Production, endangers the most serious striped rice borer, concrete mensuration situation and result as follows:
According to the data that agriculture chemical examination institution of the Ministry of Agriculture provides, the recommended dose of pymetrozine control rice fulgorid is 5-8 gram of effective ingredient/mu, and the recommended dose of dimehypo water prevention chilo suppressalis is 45-54 gram of effective ingredient/mu, on this basis, experimental scheme proportioning is 1: 1,1: 2,1: 5,1: 10,1: 20,1: 30,1: 40,1: 50, totally 8 process, separately establish pymetrozine, dimehypo two single dose process.
Test medication adopts the former medicine of 95% pymetrozine and the female medicine of 36% dimehypo, acetone is used to be dissolved by former medicine, according to the matched proportion density of setting, be mixed with desired concn liquid for subsequent use, the female medicine of the former medicine of the pymetrozine used, dimehypo is produced voluntarily by our company, and solvent and insecticides adjuvant are from market purchasing.
The method of indoor biometrics is: adopt capillary micro intravenous drip method, capillary micro intravenous drip device volume is 1.0 μ L.With micro intravenous drip device by liquid by the back side of head drop in striped rice borer 3 instar larvae, the larva of each concentration process about 30, it is the culture dish of 9cm that every 5 larvas put into a diameter, and the built-in a small amount of feed of ware, for taking food, separately uses acetone drop 30 larvas in contrast.Larva after treatment is still placed in receptacle, checks lethality after 48h.Data SPSS software statistics process.Obtain toxicity regression formula, the lethal concentration of 50, correlation coefficient etc., and obtain co-toxicity coefficient by the abundant method of Sun Yun.
The co-toxicity coefficient method representation that the co-toxicity of mixture preparation adopts Sun Yun abundant:
The theoretical toxicity index TTI=Σ of mixture preparation (percentage of this medicine effective ingredient of the toxicity index ATI of certain medicine × in mixture).
Synergistic effect criterion after two kinds of effective ingredients are composite:
Be synergistic effect when CTC is greater than 120, being antagonism when being less than 80, is addition when 80 ~ 120.
It is 187.46 μ g/mL that test determination goes out pymetrozine to the lethal concentration of 50 of striped rice borer, and setting pymetrozine is 100 to the toxicity index of striped rice borer.Each process to the toxicity index of striped rice borer, co-toxicity coefficient as following table:
Table 1 pymetrozine, dimehypo different ratio are to the toxicity test result of striped rice borer
Analyze above-mentioned data result to show, when pymetrozine and dimehypo are composite by above-mentioned different proportion, the co-toxicity coefficient of all compounded formulas is all greater than 100, shows the synergistic effect all had.Illustrate after composite for two kinds of effective parts, good synergistic effect can be had.Along with the increase of dimehypo in proportioning, synergistic effect is remarkable ascendant trend.When the ratio of pymetrozine and dimehypo is 1: 20, co-toxicity coefficient reaches 167.49, and for the highest in all formulas, synergistic effect is the most remarkable.
Embodiment 2: pymetrozine and dimehypo different ratio measure the co-toxicity coefficient of rice hoppers
In order to confirm that pymetrozine and dimehypo mixture are to perverse suction mouthpart insect, have synergistic effect, summation action or antagonism, we with 8 formulas of above pymetrozine and dimehypo mixture, have carried out Toxicity Determination to rice hoppers again.Select rice hoppers 3 adult in age, assay method adopts infusion process.
Examination worm is put into the funnel that filter paper is rolled well, with liquid-transfering gun get as above liquid 3mL in funnel, examination worm is made to keep 30 seconds in liquid, be put in after taking-up on filter paper and suck unnecessary liquid, examination worm is proceeded to glass and support scolite (diameter 1.8cm, high 8cm) in put into the wet soil of appropriate water content (being about 18%) and fresh rice leaf, plug is escaped to prevent this worm beyond the Great Wall.5 days " Invest, Then Investigate " examination worm death condition, death standard touches polypide for those of skill in the art's writing brush, motionless, or the person that can normally creep counts death.
It is 6.26 μ g/mL that test determination goes out pymetrozine to the lethal concentration of 50 of rice fulgorid, and setting pymetrozine is 100 to the toxicity index of rice fulgorid.Each process to the toxicity index of rice fulgorid, co-toxicity coefficient as following table:
Table 2, pymetrozine, dimehypo different ratio are to the Toxicity Determination result of rice hoppers
As can be seen from Table 2, pymetrozine and dimehypo different proportion mixture all have synergistic effect to rice hoppers 3 adult in age.When wherein pymetrozine and dimehypo weight ratio are 1: 20, co-toxicity coefficient reaches 166.43, and synergistic effect is the most remarkable.
The comprehensively toxicity test result data of above-mentioned two tables, pymetrozine and dimehypo different proportion mixture, when both ratios are 1: 1 to 1: 50, all have synergistic effect to rice-stem borer and rice fulgorid, the present invention is not merely to reduce Pesticide use amount, the more important thing is expansion insecticidal spectrum, accomplish a dispenser, various pests is double to be controlled, and saves agriculture originally, alleviates the labour intensity of peasant.
We select following proportioning to carry out trial-manufacture of sample for this reason, and have carried out field control effectiveness test.
The former medicine of pymetrozine used and the female medicine of dimehypo are our company and produce, and insecticides adjuvant used is outsourcing.
Below with concrete example of formulations in order to further describe the present invention, but the present invention is absolutely not only only limitted to these embodiments following.In formula, percentage is all weight percentage.
Embodiment 3:30% pymetrozine dimehypo wetting powder
The solvable pulvis of embodiment 4:40% pymetrozine dimehypo
Embodiment 5:60% pymetrozine dimehypo water dispersible granules
Embodiment 6:5% pymetrozine Dimehypo Fg
Embodiment 7:20% pymetrozine dimehypo water solution
Embodiment 8:20% pymetrozine dimehypo water dispersible granules
By above six embodiments that dimehypo and the various different ratio of pymetrozine obtain, carry out the field control effectiveness test of water prevention chilo suppressalis and rice fulgorid, simultaneously by the Contrast on effect with 25% pymetrozine wetting powder, 29% dimehypo water solution, verify composite after synergistic effect.Test site is Xiangshui County, Jiangsu Province, and the time is on September 2nd, 2014, test totally eight process, each process three repetition, community randomized arrangement, plot area 9*5m
2, the planting habit of planting habit all with local of all communities is identical.
Investigation standard is: by 5 point samplings, random 5 samplings in every community, investigates 5 clumps, totally 25 clumps at often.Within before dispenser and after dispenser the 1st, 7,15 day, investigate the Chilo spp larvae of 25 clumps of paddy rice and the quantity of rice fulgorid adult respectively, carry out detailed record, calculate control efficiency.Concrete data (data are three mean values repeated) are as follows:
Table 3: dimehypo, Single-dose pymetrozine and complex preparation are to the field control effectiveness test result of rice-stem borer, rice fulgorid
As can be seen from the above data, using under identical effective ingredient dosage, pymetrozine and dimehypo different ratio composite after, will apparently higher than two kinds of single doses to the integrated control effect of rice-stem borer and rice fulgorid, all formulas all have obvious synergistic effect.When in filling a prescription during dimehypo content height, better to the control efficiency of striped rice borer, relatively weaker to the control efficiency of rice fulgorid, when in filling a prescription during pymetrozine content height, the control efficiency of striped rice borer is slightly declined, but better to the control efficiency of rice fulgorid.This result also truly reflects the characteristic of these two medicaments.Find out from upper table data, complex preparation preventive effect of 7 days after medicine is higher than the preventive effect of after medicine 1 day, and after medicine, the preventive effect of 15 days is slightly less than the preventive effect of after medicine 7 days.Compared with single dose, complex preparation expands insecticidal spectrum, extends the lasting period, decreases times for spraying, saves recruitment, alleviates peasant's labour intensity, reduces peasant's drug cost.
Claims (10)
1. contain a Pesticidal combination for pymetrozine and dimehypo, it is characterized in that said composition contains active ingredient pymetrozine and dimehypo, wherein the mass ratio of pymetrozine and dimehypo is 1:1 ~ 50.
2. composition according to claim 1, is characterized in that the mass ratio of pymetrozine and dimehypo in said composition is 1:5 ~ 50.
3. composition according to claim 2, is characterized in that the mass ratio of pymetrozine and dimehypo in said composition is 1:2 ~ 40.
4. composition according to claim 3, is characterized in that the mass ratio of pymetrozine and dimehypo in said composition is 1:2 ~ 30.
5. composition according to claim 1, is characterized in that the mass content of active ingredient pymetrozine and dimehypo in said composition is 5 ~ 90%.
6. composition according to claim 5, is characterized in that the mass content of active ingredient pymetrozine and dimehypo in said composition is 20 ~ 80%.
7. composition according to claim 1, is characterized in that said composition with pymetrozine and dimehypo for active ingredient, is equipped with insecticides adjuvant, makes acceptable formulation on agricultural chemicals.
8. composition according to claim 7, is characterized in that described formulation is selected from solvable pulvis, wetting powder or water dispersible granules.
9. composition according to claim 1 control lepidoptera pest or perverse suction mouthpart insect to the application in crop pests.
10. composition according to claim 1 control striped rice borer or rice fulgorid to the application in crop pests.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1484955A (en) * | 2002-09-25 | 2004-03-31 | 江苏省新沂农药有限公司 | Pesticide composition comprising fipronil and bisulfap |
| CN101305725A (en) * | 2008-07-17 | 2008-11-19 | 浙江省农业科学院 | Chlopyrifos and pymtrozine composite microcapsule suspending agent and its preparation method |
| CN101669494A (en) * | 2009-08-21 | 2010-03-17 | 成都皇牌作物科学有限公司 | Pesticide composition containing pymetrozine |
| CN102726440A (en) * | 2012-06-29 | 2012-10-17 | 张士钊 | Complex insecticide containing pymetrozine |
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- 2014-12-28 CN CN201410835607.1A patent/CN104509536A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484955A (en) * | 2002-09-25 | 2004-03-31 | 江苏省新沂农药有限公司 | Pesticide composition comprising fipronil and bisulfap |
| CN101305725A (en) * | 2008-07-17 | 2008-11-19 | 浙江省农业科学院 | Chlopyrifos and pymtrozine composite microcapsule suspending agent and its preparation method |
| CN101669494A (en) * | 2009-08-21 | 2010-03-17 | 成都皇牌作物科学有限公司 | Pesticide composition containing pymetrozine |
| CN102726440A (en) * | 2012-06-29 | 2012-10-17 | 张士钊 | Complex insecticide containing pymetrozine |
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