CN102273472A - Compounded pesticide composite containing methyl carbamate and buprofezin and preparation method thereof - Google Patents
Compounded pesticide composite containing methyl carbamate and buprofezin and preparation method thereof Download PDFInfo
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- CN102273472A CN102273472A CN2011102335627A CN201110233562A CN102273472A CN 102273472 A CN102273472 A CN 102273472A CN 2011102335627 A CN2011102335627 A CN 2011102335627A CN 201110233562 A CN201110233562 A CN 201110233562A CN 102273472 A CN102273472 A CN 102273472A
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- buprofezin
- phenyl carbamate
- dimethyl phenyl
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Abstract
The invention discloses a compounded pesticide composite containing methyl carbamate and buprofezin and a preparation method thereof. The compounded pesticide composite is characterized by comprising the following effective ingredients based on the total weight of the composite: 5-40% of carbamate and 5-30% of buprofezin. The raw materials are evenly and fully mixed to prepare the compounded pesticide composite containing methyl carbamate and buprofezin in a missible oil mode or microemulsion mode. The composite has the advantages of low toxicity, wide insecticidal spectrum, quick effect, good persistence and low cost, is an ideal pesticide variety for preventing and treating injurious insects, such as plant hoppers and the like, is convenient to use, is safe and has good environmental compatibility. The compounded pesticide composite is different from other existing insecticidal composites, and can be used for delaying the generation of resistance to drugs can be delayed, and achieving the purpose of agriculturally increasing both production and income.
Description
Technical field
The present invention relates to the disinsection compound technical field of pesticide.
Background technology
In recent years, because a large amount of uses of various agricultural chemicals cause the pest pesticide resistance more and more higher.Rice fulgorid is a main insect on the paddy rice, and it is caused harm and has hiding property, fulminant and destructive characteristics.Rice fulgorid is the circle stalk shooting stage to milking maturity latter stage to phase of mainly causing harm of paddy rice, adult and nymph can both be caused harm, and thorn is inhaled juice in rice clump bottom, consume rice strain nutrient, and, cause rice strain poisoning atrophy from salivary gland secretion noxious material (aldehydes matter and multiple hydrolase).Rice fulgorid is when laying eggs, and its oopod can scratch rice stem stalk and leaf tissue, makes rice strain forfeiture moisture.In addition because thorn is drawn food, can be in the rice strain residual a lot of irregular scars, influence the conveying of moisture and nutrient, assimilation weakens, and causes rice seedling sallow or withered.Rice fulgorid secretion also often causes mould and grows, and influences paddy rice photosynthesis and respiration.In chemical agent control, main at present use the agricultural chemicals kind as: clam worm property agricultural chemicals such as desinsection list, dimehypo have produced very strong pesticide resistance, agricultural chemicals such as the buprofezin of Shi Yonging, Imidacloprid in succession, pesticide resistance is obviously rising also.The good agricultural chemicals of control efficiency has kinds such as fluorine worm nitrile, Acker Thailand, thiophene worm piperazine at present, but because the price height, quick-acting is poor slightly, and certain limitation is in use arranged.
Dimethyl phenyl carbamate (dimethacarb) is a kind of carbamate insecticide that is mixed by two kinds of isomers.It is the moderate toxicity insecticide.Be applicable to paddy rice.Insects such as diptera, Lepidoptera and Homoptera there is special efficacy, rice fulgorid, leafhopper there are special efficacy, thrips, rice plant skipper, cotten aphid, cotton bollworm, anomis flava, bean aphid, soybean pod borer, soybean gelechiid, mythimna separata, Corn snout moth's larva, soil insect and cutworm, grub and tea tree, fruit tree pest insect are all had the better prevention effect.Dimethyl phenyl carbamate has strong action of contace poison, and the speed of knocking down is fast, but the longevity of residure have only 2-3 days, its drug effect is not subjected to Temperature Influence, still has good imitation at low temperatures.
Buprofezin (buprofezin) is a kind of new selective insecticide that insect growth is grown that suppresses, and action of contace poison is strong, and stomach poison function is also arranged.Mechanism of action is synthetic and disturb metabolism for suppressing insect chitin, causes nymph cast off a skin deformity or wing deformity and slowly dead.Just can find out effect in 3-7 days after the general dispenser, adult not had direct killing power, but can shorten its life-span, reduce egg laying amount, and output be mostly addle-egg, even the also very fast death of larva hatching.Double wing purpose plant hopper, leafhopper, aleyrodid and scale insect class pest have good control efficiency, and the drug effect phase reached more than 30 days.Safer to natural enemy, comprehensive effect is good.But the Buprofezin drug effect is slow, just can reach the medicament peak in 3-7 days behind the medicine.
Summary of the invention
The purpose of this invention is to provide a kind of compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin, it had both kept the desinsection wide spectrum and the advantage good to the control efficiency of insect of Buprofezin, kept the quick-acting of dimethyl phenyl carbamate, and the drug effect that can overcome the Buprofezin existence again waits shortcoming slowly.
The present invention contains active ingredient dimethyl phenyl carbamate and Buprofezin, and described dimethyl phenyl carbamate accounts for 5～40% of composition gross mass, and Buprofezin accounts for 5～30% of composition gross mass.
Preferred effective ingredient is: described dimethyl phenyl carbamate accounts for 20～25% of composition gross mass, and Buprofezin accounts for 5% of composition gross mass.
The present invention makes up and also contains the additive of being made up of solvent, emulsifier and antifreeze among the spy, and described additive accounts for 30～90% of composition gross mass.
The compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin can be made into missible oil or microemulsion.
Described solvent be in dimethylbenzene, toluene, methyl alcohol, cyclohexanone, dimethyl formamide, isophorone, the water at least any one.
Described emulsifier be in WJD-100, farming breast 0201,500, NP-10, OP-10, the Tween 80 at least any one.
Described antifreeze be in glycerine, the ethylene glycol at least any one.
The present invention also proposes a kind of its preparation process that contains the compound pesticide composition of dimethyl phenyl carbamate and Buprofezin: by the solvent in said ratio weighing dimethyl phenyl carbamate, Buprofezin, the additive, after in the enamel stirred tank, fully mixing, add emulsifier and antifreeze in the additive, stir once more, promptly obtain missible oil or microemulsion finished product.
The present invention uses dimethyl phenyl carbamate and buprofezin compound, and low toxicity, insecticidal spectrum are wide, and is quick-acting and lasting effect is good, with low cost, is the comparatively desirable pesticide species of control rice grub.The formulation that this Recompounded pesticide is made can be produced needs according to enterprise and decided, and has to produce many advantages such as simple, efficient, that cost is low, and environment compatibility is good.Can reduce other biological toxicity, strengthen quick-acting, prolong the lasting period, enlarge insecticidal spectrum, reduce cost, to adapt to the requirement of China control rice grub agricultural chemicals.This Pesticidal combination is different from existing other Pesticidal combinations, can suspension of pesticide resistance generation, reach the purpose of agricultural production and income.
Embodiment
Embodiment 1 is for verifying that the different proportioning consumptions with Buprofezin of dimethyl phenyl carbamate are to the rice grub insecticidal effect, carried out the Toxicity Determination of the different proportionings of dimethyl phenyl carbamate to rice grub with Buprofezin, be made into respective concentration according to percentage by weight in the table, carry out indoor insecticidal test, to measure co-toxicity coefficient, now result of the test is reported as follows:
Method of testing: adopt rice stem infusion process to test.The rice seedling at the left and right sides length of time rice seedlings grow on the 30th is cut into the rice bar of about 18cm, and root stays a little rice root, cleans and dries, and dipping is 30 seconds in soup, take out, put into test tube after drying slightly,, there is little water at the pipe end, contact the plant hopper nymph then, check after 24 hours and calculate lethality and corrected mortality then by dead borer population.Test data machine DPS software systems is as calculated handled, and obtains LC50, toxicity regression line and 95% confidence interval of each medicament.Statistics sees Table 1.
The different proportioning co-toxicity coefficient of table 1 dimethyl phenyl carbamate measurement result with Buprofezin
Measurement result shows that dimethyl phenyl carbamate of the present invention that different proportionings are formed and buprofezin compound medicament co-toxicity coefficient all have obvious synergistic effect all greater than 100.
Embodiment 2 30% dimethyl phenyl carbamate Buprofezin missible oil
Dimethyl phenyl carbamate 25%
Buprofezin 5%
The newborn 0201(emulsifier of farming) 12%
Dimethylbenzene (solvent) 58%
Take by weighing material by above-mentioned part by weight, under agitation add dimethyl phenyl carbamate, Buprofezin, solvent successively, after mixing, add emulsifier, stir again after 30 minutes and obtain product, prevent and treat the water rice hopper field control effectiveness test, drug effect is better, and preventive effect is more than 90%.
7 days preventive effects (%) behind the table 2 30% dimethyl phenyl carbamate Buprofezin missible oil control water rice hopper medicine
Embodiment 3 30% dimethyl phenyl carbamate Buprofezin microemulsions
Buprofezin 5%
Dimethyl phenyl carbamate 20%
The WJD100(emulsifier) 14%
Ethylene glycol (antifreeze) 1%
Water (solvent) 20%
Dimethylbenzene (solvent) 40%
Take by weighing material by above-mentioned part by weight, dimethyl phenyl carbamate and the former medicine of Buprofezin are dissolved in the solvent xylene, become the oil phase of homogeneous transparent; Emulsifier WJD100 is become water with the water mixed dissolution, water is added in the oil phase, add antifreeze glycol, after mixing, can obtain transparent homogeneous phase microemulsion product after half an hour, prevent and treat the water rice hopper field control effectiveness test, drug effect is better, and preventive effect is more than 90%.
Table 3 30% dimethyl phenyl carbamate Buprofezin microemulsion is to the rice fulgorid preventive effect
| Concentration of treatment | Borer population (head) | Dead borer population (head) | Lethality (%) | Corrected mortality (%) |
| 1000 times | 37 | 37 | 100 | 100 |
| 1500 times | 38 | 36 | 94.5 | 88.9 |
| 2000 times | 40 | 37 | 92.5 | 87.3 |
| The clear water contrast | 44 | 18 | 40.9 | —— |
Claims (7)
1. compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin, it is characterized in that: described composition contains active ingredient dimethyl phenyl carbamate and Buprofezin, and described dimethyl phenyl carbamate accounts for 5～40% of composition gross mass, and Buprofezin accounts for 5～30% of composition gross mass.
2. the compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin according to claim 1 is characterized in that described dimethyl phenyl carbamate accounts for 20～25% of composition gross mass, and Buprofezin accounts for 5% of composition gross mass.
3. the compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin according to claim 1 and 2 is characterized in that described composition also contains the additive of being made up of solvent, emulsifier and antifreeze, and described additive accounts for 30～90% of composition gross mass.
4. the compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin according to claim 3, it is characterized in that described solvent be in dimethylbenzene, toluene, methyl alcohol, cyclohexanone, dimethyl formamide, isophorone, the water at least any one.
5. the compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin according to claim 3, it is characterized in that described emulsifier be in WJD-100, farming breast 0201,500, NP-10, OP-10, the Tween 80 at least any one.
6. the compound pesticide composition that contains dimethyl phenyl carbamate and Buprofezin according to claim 3, it is characterized in that described antifreeze be in glycerine, the ethylene glycol at least any one.
7. the preparation method who contains the compound pesticide composition of dimethyl phenyl carbamate and Buprofezin as claimed in claim 1, after it is characterized in that earlier dimethyl phenyl carbamate, Buprofezin and solvent fully being mixed in the enamel stirred tank, and then adding emulsifier and antifreeze, stir, make the go out compound pesticide composition of prestige and Buprofezin of missible oil or micro emulsion formulation ambiguity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102335627A CN102273472A (en) | 2011-08-16 | 2011-08-16 | Compounded pesticide composite containing methyl carbamate and buprofezin and preparation method thereof |
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| CN2011102335627A CN102273472A (en) | 2011-08-16 | 2011-08-16 | Compounded pesticide composite containing methyl carbamate and buprofezin and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60214713A (en) * | 1984-04-06 | 1985-10-28 | Nippon Nohyaku Co Ltd | Insecticidal composition |
| CN86101763A (en) * | 1985-02-25 | 1986-09-24 | 日本农药株式会社 | A kind of composition pesticide |
| CN101194606A (en) * | 2006-12-04 | 2008-06-11 | 湖南万家丰科技有限公司 | Pesticide missible oil preparation containing biological diesel oil solvent |
| CN101926344A (en) * | 2010-08-25 | 2010-12-29 | 广西田园生化股份有限公司 | Electrostatic spraying liquid preparation of binary composition of mixture-xylyl-n-methyl carbamate and buprofezin and preparation method thereof |
-
2011
- 2011-08-16 CN CN2011102335627A patent/CN102273472A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60214713A (en) * | 1984-04-06 | 1985-10-28 | Nippon Nohyaku Co Ltd | Insecticidal composition |
| CN86101763A (en) * | 1985-02-25 | 1986-09-24 | 日本农药株式会社 | A kind of composition pesticide |
| CN101194606A (en) * | 2006-12-04 | 2008-06-11 | 湖南万家丰科技有限公司 | Pesticide missible oil preparation containing biological diesel oil solvent |
| CN101926344A (en) * | 2010-08-25 | 2010-12-29 | 广西田园生化股份有限公司 | Electrostatic spraying liquid preparation of binary composition of mixture-xylyl-n-methyl carbamate and buprofezin and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 徐德进 等: "杀虫剂18种单剂和10种复配剂对褐飞虱和灰飞虱的活性差异", 《江苏农业学报》 * |
| 胡桂珍 等: "30%三虱青不同剂量对褐飞虱防治试验", 《农业装备技术》 * |
| 苏建坤 等: "杀虫剂触杀联合毒力的研究", 《安徽农业科学》 * |
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Application publication date: 20111214 |