CN101773141A - Compound pesticide of chlorantraniliprole and chlorpyrifos - Google Patents
Compound pesticide of chlorantraniliprole and chlorpyrifos Download PDFInfo
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- CN101773141A CN101773141A CN201010104685A CN201010104685A CN101773141A CN 101773141 A CN101773141 A CN 101773141A CN 201010104685 A CN201010104685 A CN 201010104685A CN 201010104685 A CN201010104685 A CN 201010104685A CN 101773141 A CN101773141 A CN 101773141A
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Abstract
The invention belongs to the technical field of compound pesticides, and particularly relates to a compound pesticide of chlorantraniliprole and chlorpyrifos. The compound pesticide is compounded reasonably according to respective characteristics of the chlorantraniliprole and the chlorpyrifos, a combination ratio with obvious synergic action is screened out through a series of indoor biological tests and field experiments, and the compound pesticide comprises the following components in percentage by weight: 0.5 to 2.5 percent of the chlorantraniliprole, and 32.5 to 35 percent of the chlorpyrifos. The compound pesticide of the chlorantraniliprole and the chlorpyrifos has the optimal cooperative and synergistic action, has the co-toxicity coefficient to chilo suppressalis of 310.4 to 518.0, has the advantages of wide insecticidal spectrum, quick response and good lasting effect, greatly reduces the production and using costs of the pesticide, reduces the cost per acre by about 30 to 40 percent compared with that of the single use of the chlorantraniliprole, has good effects of controlling rice insect pests such as the chilo suppressalis, brown planthoppers, cnaphalocrocis medinalis and the like, and has no untoward effect on the growth development of rice.
Description
Technical field
The invention belongs to technical field of compounded pesticide, be specifically related to a kind of Rynaxypyr and chlorpyrifos mixture agricultural chemicals.
Background technology
Paddy rice is the principal item in China cereal crops, and cultivated area is big, about about 400,000,000 mu times of year cultivated area, disease, worm, crop smothering kind are many, add up according to agricultural sector, every year due to illness, harm such as worm, grass, production loss is greater than 20-30%.Control paddy rice disease, worm, the employed agricultural chemicals quantity of crop smothering account for about 50% of China's agricultural chemicals year usage amount.The primary pest of hazard rice with regard to national paddy fields, is a primary pest with striped rice borer, rice fulgorid, rice leaf roller etc., area takes place throughout the year about 1,000,000,000 mu times, the pesticide control area reaches 10-12 hundred million mu times, outbreak year part, and the chemical control area can be bigger.
In the pesticide species of control rice grub, in control striped rice borer insect process, use the acephatemet of high poison to account for bigger ratio in the past, China's policy explicit order stopped before 2007 producing and using; Once used the agricultural chemicals of clam worm toxicity such as dimehypo, desinsection list, significantly developed immunity to drugs in the nineties in last century; Continue after, be extensive use of the Hostathion agricultural chemicals also because of drug-fast generation, and release market gradually, continue after the effective pesticide species of control with headed by the fluorine worm nitrile, since 2000, almost covered national rice district, but because of high malicious to honeybee and fishes and shrimps, the Ministry of Agriculture orders to forbid on paddy rice in July, 2009.Therefore, the first-selected pesticide species of the whole nation control snout moth's larva of rice is still left a seat vacant for.Insecticidal spectrum is wide in order to seek, good disinsection effect, quick-acting with hold imitate have both, pesticide species that environmentally friendly compatibility, agricultural chemicals market price are moderate is the urgent need of production at present." Rynaxypyr " of du pont company production in 2007 obtains interim registration on China paddy rice control rice leaf roller, prevented and treated the rice leaf roller medicament as the Ministry of Agriculture and recommended in 2008.
Rynaxypyr, English name: Chlorantraniliprole belongs to the O-formammidotiazol-benzamide insecticide, and pure product outward appearance is a white crystal; Proportion (liquid is required): 1.507g/ml; Fusing point: 208 ℃-210 ℃; Decomposition temperature: 330 ℃; Vapour pressure (under 20-25 ℃): 6.3 * 1012Pa; (under 20-25 ℃, mg/l): water 1.023, acetone 3.446, methyl alcohol 1.714, acetonitrile: 0.711, ethyl acetate 1.144 for solvability.
1. this product has been obtained all certificates of agriculture chemical registration sales applications, can large scale application.Because the chemical constitution of Rynaxypyr has the brand-new desinsection principle that other any insecticides do not possess, and can efficiently activate insect ryania (muscle) acceptor.Excessively discharge the calcium ion in the intracellular calcium store, cause the insect paralysis dead, active high to the larva of lepidoptera pest, insecticidal spectrum is wide, and lasting effect is good.Very according to present experimental result, other products of specific activity to target pest exceed 10-100 doubly, and can cause some lepidopterous insects mating process disorder, studies have shown that, it can reduce the spawning rate of multiple noctuidae pests, because its wholesomeness is good and the biological property of resistance of rainwater washing against, these characteristics are actually permeability, conductivity, chemical stability, high insecticidal activity and cause insect to stop to get the comprehensive embodiment of effects such as food immediately.Therefore determined it at other insecticides of usefulness the longer and more stable protective effect of pair crop to be arranged than the present overwhelming majority.
2. this formulation and content are registered on the control paddy rice primary pest at present; can protect paddy growth rapidly; especially there has been the insect of resistance that special efficacy is more arranged to other paddy rice insecticides; as rice leaf roller, striped rice borer, paddy stem borer, pink rice borer, rice gall midge, Lissorhoptrus oryzophilus Kuschel, rice water weevil also there is good control efficiency.
3. this agricultural chemicals belongs to little poison level, and personnel are as safe as a house to dispenser, and also as safe as a house to the useful insect in rice field, fishes and shrimps, the special efficacy phase can reach more than 15 days, to agricultural product noresidue influence, with other agricultural chemicals good mixing property.
Rynaxypyr shows in the practice of rice grub control, and is effective to the low instar larvae of lepidoptera pest, poor to big instar larvae control efficiency, to the insect of other types, invalid as rice fulgorid.Simultaneously, the drug cost valency is very high, 20% Rynaxypyr colloidal suspending agent (health is wide), and every mu of medication 10 grams need about 16 yuan.
Chlopyrifos (have another name called chlorine pyrazothion, Le Siben, Chlorpyrifos) chemical name is: 0, and 0-diethyl-0-(3,5, the 6-trichloro-2-pyridyl) thiophosphate is medium to higher mammal toxicity, to the fish low toxicity, to the high poison of honeybee, insect had tag, stomach toxicity and fumigation action, be the main pesticide species that substitutes behind China's forbidding in 2007 high-toxic pesticide, the domestic production scale is big, good disinsection effect, cost reduces, and is the control rice grub: the main pesticide species of rice leaf roller, rice fulgorid.
Summary of the invention
At problems of the prior art, the object of the invention is according to the actual insect pest situation of China paddy rice, take all factors into consideration optimum synergistic effect and the production cost of Rynaxypyr and chlopyrifos, the technical scheme of long, lower-cost Recompounded pesticide of wide, quick-acting good, lasting period of a kind of insecticidal spectrum is provided.
The present invention be achieved in that according to Rynaxypyr and chlopyrifos separately characteristic it is carried out reasonably composite, through series of indoor biologicall test and field trial, filter out the tangible combination matching of synergy.
Described Rynaxypyr and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 0.5-2.5%, chlopyrifos 32.5-35%.
Described Rynaxypyr and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 0.7-2.3%, chlopyrifos 32.8-34.6%.
Described Rynaxypyr and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 1.0-2.0%, chlopyrifos 33.0-34.0%.
Described Rynaxypyr and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 1.3-1.8%, chlopyrifos 33.2-33.7%.
Described Rynaxypyr and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 1.5-1.6%, chlopyrifos 33.4-33.5%.
Described Rynaxypyr and chlorpyrifos mixture agricultural chemicals can be made into missible oil by existing routine techniques, add organic solvent and emulsifier in the promptly former medicine; Also can be made into water and milk oil or colloidal suspending agent, promptly former medicine adds organic solvent, cosolvent, wetting agent, diffusant, emulsifier and water etc.
Among the present invention, unless otherwise indicated, all percentages all are weight percentage.
Above-mentioned Rynaxypyr and chlorpyrifos mixture agricultural chemicals, has best synergistic function, co-toxicity coefficient to striped rice borer reaches 310.4～518.0, its insecticidal spectrum is wide, quick-acting and lasting effect is good, greatly reduces the production and the use cost of agricultural chemicals, than single mu with Rynaxypyr with about cost decline 30%-40%, rice grubs such as striped rice borer, brown planthopper, rice leaf roller all there is good control efficiency, and rice growth is had no adverse reaction.
Embodiment
Further specify the present invention by the following examples.Among the present invention, unless otherwise indicated, all percentages all are weight percentage.
Prescription one: Rynaxypyr 0.5%, chlopyrifos 34.5%.
Prescription two: Rynaxypyr 1.0%, chlopyrifos 34.0%.
Prescription three: Rynaxypyr 1.5%, chlopyrifos 33.5%.
Prescription four: Rynaxypyr 2.0%, chlopyrifos 33.0%.
Prescription five: Rynaxypyr 2.5%, chlopyrifos 32.5%.
Test one: the Recompounded pesticide of above-mentioned five prescriptions carries out synergy to striped rice borer to be measured, and is striped rice borer 4～5 instar larvaes for the examination insect; Test method is with reference to the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC), dip method.Co-toxicity coefficient is greater than 120, and showing has synergistic effect; If co-toxicity coefficient is less than 100, then expression has antagonism; Near 100 is summation action.
Prescription one to five Recompounded pesticide and 10% Rynaxypyr missible oil, 48% chlorpyrifos ec, blank D.M.F3000 times liquid (33.3mg/L) compare test, to the co-toxicity coefficient of striped rice borer and test of pesticide effectiveness data as table 1-1 to showing 1-8:
Table 1-1 Rynaxypyr and chlorpyrifos mixture are to the toxicity test of striped rice borer table as a result
Table 1-2 Rynaxypyr is to the test of pesticide effectiveness of striped rice borer 4-5 instar larvae table as a result
Table 1-3 chlopyrifos is to the test of pesticide effectiveness of striped rice borer 4-5 instar larvae
Table 1-4 Rynaxypyr and chlopyrifos (prescription one) are to the test of pesticide effectiveness of striped rice borer 4-5 instar larvae
Table 1-5 Rynaxypyr and chlopyrifos (prescription two) are to the test of pesticide effectiveness of striped rice borer 4-5 instar larvae
Table 1-6 Rynaxypyr and chlopyrifos (prescription three) are to the test of pesticide effectiveness of striped rice borer 4-5 instar larvae
Table 1-7 Rynaxypyr and chlopyrifos (prescription four) are to the test of pesticide effectiveness of striped rice borer 4-5 instar larvae
Table 1-8 Rynaxypyr and chlopyrifos (prescription five) are to the test of pesticide effectiveness of striped rice borer 4-5 instar larvae
Measurement result shows: five prescriptions of 35% Rynaxypyr and chlorpyrifos mixture ingredients, its co-toxicity coefficient has synergistic effect preferably all greater than 120, considers that from aspects such as cost and preventive effects proportioning 2,3 can be used as optimization formula.
Test two: be the reliability of checking proportioning screening, on early rice, carried out the field controling test of striped rice borer.
350 gram/kilogram Rynaxypyrs and chlorpyrifos mixture ingredients missible oil (prescription two), the 95% chlopyrifos crude oil autogamy that provides of former powder of 96.45% Rynaxypyr that is provided by distillation Bai Ke Biological Co., Ltd. and Zhejiang Xinnong Chemical Co., Ltd forms mu medication 100 grams respectively; 200 gram/kilogram Rynaxypyr colloidal suspending agents provide for du pont company, mu medication 10 grams, and 400 gram/kilogram chlopyrifos are by the crude oil autogamy, and mu medication 100 restrains blank.Adopt the field that the sub-district is set, triplicate, after the medication about 18 days, Chilo spp larvae was grown to 5 ages, when the withered heart of paddy rice that causes of causing harm is basicly stable, carried out withered heart rate investigation; Investigate withered heart rate, adopt parallel jump sampling method, the withered calculation in 50 clumps of rice strains is investigated in every the 5 clumps of rice strains of 10 points (row) of taking a sample of promptly every sub-district altogether, is converted to hundred clumps of withered calculations of rice; The tiller number of 5 clumps of rice of every sub-district random searching, conversion are total strain number of hundred clumps of rice, calculate the withered heart rate of every sub-district; Field control result such as the table 2 of 350 gram/kilogram Rynaxypyrs and chlorpyrifos mixture ingredients control striped rice borer.
The field control result of table 2350 gram/kilogram Rynaxypyr and chlorpyrifos mixture ingredients (prescription two) control striped rice borer
Test result shows: mixed agent and two single agent applying areas, and paddy growth is normal, and no symptom of chemical damage takes place.350 gram/kilogram Rynaxypyrs and chlorpyrifos mixture ingredients (prescription two), mu restrains with 100, and average withered heart rate is 1.0%, and control efficiency is 93.1%; 200 gram/kilogram Rynaxypyr mus restrain with 10, and withered heart rate is 1.3%, control efficiency 91.0%; 400 gram/kilogram chlopyrifos mus restrain with 100, and withered heart rate reaches 5.2%, and control efficiency only is about 64.1%.As seen the control efficiency of mixed agent all is better than single agent.Every mu is used the effective ingredient of Rynaxypyr is 2 grams (mu is 15-16 unit with cost), and the Rynaxypyr effective ingredient is 1 gram in the mixed agent, so the mixed agent pesticide cost will reduce about 30% with Rynaxypyr than single.
Test three: be the reliability of checking proportioning screening, in hybrid rice, carried out the field controling test of rice leaf roller on excellent No. 1 of the Zhejiang.
360 gram/kilogram Rynaxypyrs and chlorpyrifos mixture ingredients missible oil (1.0+35.0%), the 95% chlopyrifos crude oil autogamy that provides of former powder of 96.45% Rynaxypyr that is provided by distillation Bai Ke Biological Co., Ltd. and Zhejiang Xinnong Chemical Co., Ltd forms mu medication 80 grams respectively; 100 gram/kilogram Rynaxypyr missible oil (autogamy), mu medication 20 grams, 400 gram/kilogram chlorpyrifos ecs (autogamy), mu medication 100 grams, blank.Respectively investigated insect pest situation once in 4 days, 10 days after the medication.Investigation method: divide the sub-district into two five equilibriums, investigate 1/2 area of sub-district at every turn.Adopt parallel skip philosophy, 5 points are investigated in every sub-district, 5 clumps of paddy rice of every some investigation, investigate 25 clumps of paddy rice altogether, win all leaf rolls of investigation rice strain, put into plastic sack, indicate area code, at the leaf roll number of each sub-district of indoor counting and the borer population of living, converting is that hundred clumps of volume numbers of sheets and hundred clumps of borer populations alive carry out statistical analysis again.During each the investigation, every sub-district is counted the total green number of blade of 2 clumps of paddy rice at random, more than 10 points of whole district's investigation, asks average leaf (greenery) the sheet number of calculating every clump of paddy rice.When investigation, observe the growing state of paddy rice, have or not poisoning or other degree of impairments; 360 gram/kilogram Rynaxypyrs and chlorpyrifos mixture ingredients are to field control result such as the table 3 of rice leaf roller.
Table 3 360 gram/kilogram Rynaxypyrs and chlorpyrifos mixture ingredients (1.0+35.0%) are to the field control result of rice leaf roller
*Behind the medicine 4 days, average hundred clumps of total leaf numbers were 9030; 10 days average hundred clumps of total leaf numbers are 8740 behind the medicine.
Show from test result: after three medicament dispensers, paddy growth is normal, and no symptom of chemical damage takes place.360 gram/kilogram Rynaxypyrs and chlopyrifos ingredients missible oil (1.0+35.0%), mu reaches 87.3% with 80 grams, the leaf roll control efficiency of control rice leaf roller, and the worm rate of going down of living reaches 96.6%.One of combination medicament 100 gram/kilogram Rynaxypyr mus restrain with 20, and the leaf roll control efficiency is 75.5%, and the worm rate of going down of living is 95.4%; 2 400 gram/kilogram chlopyrifos of combination medicament, mu restrains with 100, and the leaf roll control efficiency is 71.4%, and the worm rate of going down of living is 20.3%.As can be seen, the leaf roll control efficiency of 360 gram/kilogram Rynaxypyrs and chlorpyrifos mixture ingredients is higher than 100 gram/kilogram Rynaxypyrs, and the worm that the lives rate that goes down is close, and two index for control all are higher than the preventive effect of 400 gram/kilogram chlopyrifos.The preventive effect height of 360 gram/kilogram Rynaxypyrs and chlorpyrifos mixture, mu restrains with 80, and the mu drug cost is low, is about the 60-70% of 100 gram/kilogram Rynaxypyr mus with 20 gram costs.
Test four: to the indoor biological activity determination of brown planthopper, adopt brown planthopper 2-3 nymph in age for the examination insect, medicament: former powder of 96.45% Rynaxypyr and 95% chlopyrifos crude oil, adopt N.N-dimethyl formamide (D.M.F) to make solvent, add emulsifier, be configured to 10% Rynaxypyr missible oil and chlopyrifos 48% missible oil, concentration ratio by Rynaxypyr 1% and chlopyrifos 34% is mixed with 35% Rynaxypyr and chlorpyrifos mixture (prescription two), adopts 3000 times of liquid of D.M.F (33.3mg/L) to make blank.
Table 4-1 35% Rynaxypyr and chlopyrifos (prescription two) are to the biological activity determination of brown planthopper 2-3 nymph in age
Table 4-2 35% Rynaxypyr and chlopyrifos (prescription two) are to the evaluation of pesticide effectiveness of brown planthopper 2-3 nymph in age
The test result of table 4-1, table 4-2 shows: 35% Rynaxypyr and chlopyrifos (prescription two) are respectively 35.3956mg/L and 255.6930mg/L to LC50 and the LC95 of brown planthopper 2-3 nymph in age, and contrast medicament Rynaxypyr is respectively 85.6267mg/L and 110.9495mg/L to LC50 and the LC95 of brown planthopper 2-3 nymph in age; Chlopyrifos is respectively 27.2260mg/L and 177.2512mg/L to LC50 and the LC95 of brown planthopper 2-3 nymph in age.This mixture is higher than contrast medicament Rynaxypyr to the activity of brown planthopper, is lower than chlopyrifos.
From above-mentioned each test as can be seen: this Recompounded pesticide all has good control efficiency to rice grubs such as striped rice borer, rice leaf roller, brown planthoppers, and rice growth is had no adverse reaction.
Claims (5)
1. Rynaxypyr and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 0.5-2.5%, chlopyrifos 32.5-35%.
2. Rynaxypyr according to claim 1 and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 0.7-2.3%, chlopyrifos 32.8-34.6%.
3. Rynaxypyr according to claim 1 and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 1.0-2.0%, chlopyrifos 33.0-34.0%.
4. Rynaxypyr according to claim 1 and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 1.3-1.8%, chlopyrifos 33.2-33.7%.
5. Rynaxypyr according to claim 1 and chlorpyrifos mixture agricultural chemicals is characterized in that containing following by weight percentage: Rynaxypyr 1.5-1.6%, chlopyrifos 33.4-33.5%.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077842A (en) * | 2011-01-24 | 2011-06-01 | 青岛海利尔药业有限公司 | Insecticide composition containing thiacloprid-amide and chlorpyrifos |
| CN102113515A (en) * | 2011-01-14 | 2011-07-06 | 潍坊市信得生物科技有限公司 | Chlorpyrifos-chlorantraniliprole water emulsion and preparation method thereof |
| CN102845463A (en) * | 2012-09-29 | 2013-01-02 | 湖南大乘医药化工有限公司 | Chlorantraniliprole and chlorpyrifos mixed suspending agent |
| CN105936609A (en) * | 2016-06-20 | 2016-09-14 | 河南中天恒信生物化学科技有限公司 | Insecticide-fertilizer particle for paddy field and preparation method thereof |
| CN106386846A (en) * | 2015-08-01 | 2017-02-15 | 华中农业大学 | Insecticidal composition containing clothianidin, chlopyrifos and chlorantraniliprole, and preparation method thereof |
| CN106689189A (en) * | 2016-12-19 | 2017-05-24 | 浙江新农化工股份有限公司 | Composition containing chlorpyrifos-methyl and amide pesticide and preparation and application of composition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589722A (en) * | 2009-06-26 | 2009-12-02 | 南开大学 | Insecticides of a kind of chloride worm benzamide and its production and use |
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2010
- 2010-01-29 CN CN2010101046856A patent/CN101773141B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102113515A (en) * | 2011-01-14 | 2011-07-06 | 潍坊市信得生物科技有限公司 | Chlorpyrifos-chlorantraniliprole water emulsion and preparation method thereof |
| CN102077842A (en) * | 2011-01-24 | 2011-06-01 | 青岛海利尔药业有限公司 | Insecticide composition containing thiacloprid-amide and chlorpyrifos |
| CN102845463A (en) * | 2012-09-29 | 2013-01-02 | 湖南大乘医药化工有限公司 | Chlorantraniliprole and chlorpyrifos mixed suspending agent |
| CN106386846A (en) * | 2015-08-01 | 2017-02-15 | 华中农业大学 | Insecticidal composition containing clothianidin, chlopyrifos and chlorantraniliprole, and preparation method thereof |
| CN105936609A (en) * | 2016-06-20 | 2016-09-14 | 河南中天恒信生物化学科技有限公司 | Insecticide-fertilizer particle for paddy field and preparation method thereof |
| CN106689189A (en) * | 2016-12-19 | 2017-05-24 | 浙江新农化工股份有限公司 | Composition containing chlorpyrifos-methyl and amide pesticide and preparation and application of composition |
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| CN101773141B (en) | 2012-08-08 |
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