CN102860310B - Synergistic insecticidal composition used for preventing and curing icerya purchasi maskell - Google Patents
Synergistic insecticidal composition used for preventing and curing icerya purchasi maskell Download PDFInfo
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- CN102860310B CN102860310B CN201210342597.9A CN201210342597A CN102860310B CN 102860310 B CN102860310 B CN 102860310B CN 201210342597 A CN201210342597 A CN 201210342597A CN 102860310 B CN102860310 B CN 102860310B
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- matrine
- chrysanthemum ester
- fenvalerate
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Abstract
The invention discloses a synergistic insecticidal composition used for preventing and curing icerya purchasi maskell. The synergistic insecticidal composition takes sophocarpidine and fenvalerate which are at mass ratio of (9:1)-(1:29) as the basic active ingredients. Tests prove that after being compounded, the sophocarpidine and fenvalerate have synergistic effect in preventing and curing icerya purchasi maskell. Therefore, the invention solves the problem of the disadvantages of the sophocarpidine in practical applications, the harm of the fenvalerate to the environment and the drug resistance of the icerya purchasi maskell. With the compound of the sophocarpidine and fenvalerate, the dosage of the fenvalerate is reduced, which is good for environment protection. Meanwhile, the problem of drug resistance of the icerya purchasi maskell to the fenvalerate is delayed or overcome.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of Synergistic insecticidal compositions of preventing and treating cottonycushion scale.
Background technology
Cottonycushion scale (Icerya purchasi Maskell), belong to Homoptera (Homoptera), Shuo Jie section (Margarodidae), have another name called cotton-wool a red-spotted lizard, informal voucher a red-spotted lizard and white common house centipede etc., be a kind of global insect, be distributed in northeast, North China, northwest, Central China, East China, south China, southwest in China; Be distributed in abroad Japan, Korea, Philippine, Indonesia and Sri Lanka, also there is distribution in Europe, Africa, North America.Cottonycushion scale feeding habits are very assorted, and more than 200 kinds of green plants are had to harm, are clustered on leaf bud, tender shoots, young sprout and limb with female adult or nymph, thorn is inhaled plant nutrition, cause a large amount of fallen leaves sheddings, even complete stool is withered, and " honeydew " of its discharge can make host plant bring out sooty mould.
Matrine (Matrine) is to be extracted and make through organic solvents such as ethanol by the root of Chinese herbal medicine kuh-seng, stem, leaf, fruit, it is alkaloid, be generally Banlangen, its composition mainly contains the multiple alkaloids such as matrine, oxymatrine, sophocarpine, N-Oxysophocarpine, Sophoridine, the highest with the content of matrine, oxymatrine.
Matrine is natural plants source pesticide, has stomach toxicity and action of contace poison, and matrine is to people and animals' low toxicity, it is broad spectrum pesticide, can be used to prevent and treat cottonycushion scale, rice hoppers, striped rice borer, paddy stem borer, the pests such as brassicaceous vegetable aphid, cabbage caterpillar, diamond-back moth.
But matrine vegetable agricultural chemicals also has some shortcomings, the one, compound structure complexity, is difficult for synthetic or synthetic cost is too high; The 2nd, because the distribution of kuh-seng exists region, the limiting factor being subject in the selection in processing place is many; The 3rd, the collection of kuh-seng has seasonality.
Kill chrysanthemum ester (fenvalerate) insecticidal spectrum wide, to natural enemy non-selectivity, taking tag and stomach poison function as main, without interior suction and fumigation action, be applicable to the control of the crop pests such as cotton, fruit tree, vegetables, soybean, wheat.Kill chrysanthemum ester high to toxicity such as honeybee, fishes and shrimps, poultry.
For a long time, cottonycushion scale has produced pesticide resistance to killing chrysanthemum ester, has caused that control efficiency obviously declines, cottonycushion scale rampant adverse consequences again, meanwhile, kills chrysanthemum ester larger to the hazard ratio of environment.
Summary of the invention
The object of the present invention is to provide and a kind ofly can solve deficiency in actual use of matrine, kill the harm of chrysanthemum ester to environment and the pesticide resistance problem of cottonycushion scale, the Synergistic insecticidal compositions that kills the effective control cottonycushion scale of cottonycushion scale.
The Synergistic insecticidal compositions of control of the present invention cottonycushion scale, is characterized in that, this Pesticidal combination is taking matrine and kill chrysanthemum ester as primary activity composition, matrine with kill chrysanthemum ester (9:1) in mass ratio ~ (1:29) mix.
Described matrine with kill preferably 1:(9 ~ 29 in mass ratio of chrysanthemum ester) mix.
Further preferably, described matrine with kill chrysanthemum ester in mass ratio 1:19 mix.
The Synergistic insecticidal compositions of this control cottonycushion scale can be mixed with aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules or missible oil with auxiliary agent, excipient or filler.
Matrine of the present invention belongs to product of the prior art, can buy from the market.Matrine can be former medicine, or the alkaloidal mixture such as matrine and oxymatrine, or matrine preparation, or one or more extractive with organic solvent in the root of kuh-seng, stem, leaf, fruit.Use when multiple, total usage amount can not be greater than the maximum of deal.
The present invention finds through experiment; matrine and kill chrysanthemum ester and carry out composite; control to cottonycushion scale has synergistic effect; therefore the present invention can solve deficiency in actual use of matrine, kill the harm of chrysanthemum ester to environment and the pesticide resistance problem of cottonycushion scale; with to kill chrysanthemum ester composite, reduce the usage amount of killing chrysanthemum ester with matrine, contributed to environmental protection; delay simultaneously and overcome cottonycushion scale to killing the pesticide resistance problem of chrysanthemum ester, having broad application prospects.
Embodiment
Inventor, by a large amount of formula indoor screening tests, finds matrine and kills chrysanthemum ester mixture that cottonycushion scale is had to synergistic function.
In order better to understand essence of an invention, below in conjunction with example, technology contents of the present invention is described in detail, but content of the present invention do not limit to so, can not therefore be interpreted as the restriction to the scope of the claims of the present invention.
Embodiment 1
Subjects: cottonycushion scale (Icerya purchasi Maskell).
Test method: with reference to People's Republic of China's agricultural industry criteria " farm-chemical indoor determination test rule " insecticidal n Y/T1154.6-2006.
Reagent agent: matrine is radix sophorae ethanol extract, its matrine content is 20%, it is used that to kill the former medicine content of chrysanthemum ester be 99%.
Test adopts dip method.Field gathers the blade with certain nymph and under anatomical lens, rejects dead weak worm, retains healthy and strong nymph, at Indoor Natural dries after soaking 6s in liquid, contrasts not add the aqueous solution processing of insecticide.30 of every processing, repeat 3 times, after 24 hours, under bitubular anatomical lens, dial gently and turn over polypide with dissecting needle, motionless as dead worm taking foot.Calculate the corrected mortality of each processing with AbbottShi formula, calculate co-toxicity coefficient (CTC) by the method for Sun Yunpei (1960), the insecticidal effect of more each mixture, evaluates its synergistic effect.
Table 1: each single dose and mixture thereof the toxicity test result to cottonycushion scale nymph 24h
Toxicity Determination result shows, matrine, kills the LC of chrysanthemum ester to cottonycushion scale nymph 24h
50be respectively: 0.37,6.41mg/kg.When matrine: when killing chrysanthemum ester mass ratio and being 9:1 to 1:29, co-toxicity coefficient (CTC) is all greater than 120, illustrate that each proportioning all has synergistic effect, matrine: when killing chrysanthemum ester mass ratio and being 1:9 to 1:29, co-toxicity coefficient (CTC) is all greater than 160, especially matrine: when the mass ratio of killing chrysanthemum ester is 1:19, co-toxicity coefficient (CTC) is 182.90, and synergistic effect is remarkable.
Embodiment 2
Preparation 100g 1% matrine is killed chrysanthemum ester (0.1% matrine+0.9% is killed chrysanthemum ester) aqueous emulsion, and the quality of each component is respectively:
Take the former medicine 0.1g of matrine, kill the former medicine 0.91g of chrysanthemum ester, TX-108g, dimethylbenzene 7g, gum Arabic 2g, xanthans 1g, Sodium Benzoate 0.3g, ethylene glycol 0.4g, surplus deionized water.The aqueous emulsion method of preparing above raw material routinely drops into mixes, and makes 100g 1% matrine and kills chrysanthemum ester aqueous emulsion.The former medicine content of matrine used is 98%, and used to kill the former medicine content of chrysanthemum ester be 99%.
Embodiment 3
Preparation 100g 2% matrine is killed chrysanthemum ester (0.1% matrine+1.9% is killed chrysanthemum ester) microemulsion, and the quality of each component is respectively:
Take the former medicine 0.1g of matrine, kill the former medicine 1.92g of chrysanthemum ester, calcium dodecyl benzene sulfonate 5g, dimethyl formamide 8g, triphenyl phosphite 5g, sorbierite 0.3g, surplus deionized water.Above raw material is prepared to microemulsion method routinely and drop into mixing, make 100g 2% matrine and kill chrysanthemum ester microemulsion.The former medicine content of matrine used is 98%, and used to kill the former medicine content of chrysanthemum ester be 99%.
Embodiment 4
Preparation 100g 3% matrine is killed chrysanthemum ester (0.1% matrine+2.9% is killed chrysanthemum ester) suspending agent, and the quality of each component is respectively:
Take radix sophorae ethanol extract 0.5g, kill the former medicine 2.93g of chrysanthemum ester, alkylnaphthalene sulfonate 10g, gelatin 5g, isoamyl alcohol 3g, linseed oil 6g, benzoic acid 0.3g, sorbierite 0.3g, surplus deionized water.Above raw material is prepared to suspending agent method routinely and drop into mixing, make 100g 3% matrine and kill chrysanthemum ester suspending agent.Matrine used is radix sophorae ethanol extract, and its matrine content is 20%, and used to kill the former medicine content of chrysanthemum ester be 99%.
Embodiment 5
Preparation 100g 1% matrine is killed chrysanthemum ester (0.9% matrine+0.1% is killed chrysanthemum ester) wetting powder, and the quality of each component is respectively:
Take radix sophorae ethanol extract 4.5g, kill the former medicine 0.1g of chrysanthemum ester, bay alcohol radical sulphate 12g, polyvinyl alcohol 7g, surplus diatomite.Above raw material is prepared to wettable powder agent method routinely and drop into mixing, make 100g 1% matrine and kill chrysanthemum ester wetting powder.Matrine used is radix sophorae ethanol extract, and its matrine content is 20%, and used to kill the former medicine content of chrysanthemum ester be 99%.
Embodiment 6
Preparation 100g 0.6% matrine is killed chrysanthemum ester (0.5% matrine+0.1% is killed chrysanthemum ester) water dispersible granules, and the quality of each component is respectively:
Take radix sophorae ethanol extract 2.5g, kill the former medicine 0.1g of chrysanthemum ester, spaonin powder 9g, lignosulfonates 9g, gelatin 5g, bentonite 10g, surplus diatomite.Above raw material is prepared to water-dispersible grain agent method routinely and drop into mixing, make 100g 0.6% matrine and kill chrysanthemum ester water dispersible granules.Matrine used is radix sophorae ethanol extract, and its matrine content is 20%, and used to kill the former medicine content of chrysanthemum ester be 99%.
Embodiment 7:
Preparation 100g 2% matrine is killed chrysanthemum ester (1% matrine+1% is killed chrysanthemum ester) missible oil, and the quality of each component is respectively:
Take radix sophorae ethanol extract 5.0g, kill the former medicine 2.02g of chrysanthemum ester, agriculture breast 2201#10g, cyclohexane 14g, epoxychloropropane 5g, surplus dimethylbenzene.Above raw material is prepared to missible oil method routinely and drop into mixing, make 100g 2% matrine fenvalerate.Matrine used is radix sophorae ethanol extract, and its matrine content is 20%, and used to kill the former medicine content of chrysanthemum ester be 99%.
Claims (2)
1. a Synergistic insecticidal compositions of preventing and treating cottonycushion scale, is characterized in that, this Pesticidal combination is taking matrine and kill chrysanthemum ester as primary activity composition, matrine with kill chrysanthemum ester in mass ratio 1:19 mix.
2. the Synergistic insecticidal compositions of control cottonycushion scale according to claim 1, it is characterized in that, the Synergistic insecticidal compositions of this control cottonycushion scale and auxiliary agent, excipient or filler are mixed with aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules or missible oil.
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| CN201210342597.9A CN102860310B (en) | 2012-09-14 | 2012-09-14 | Synergistic insecticidal composition used for preventing and curing icerya purchasi maskell |
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| CN103416423A (en) * | 2013-08-23 | 2013-12-04 | 南通优尼科化工有限公司 | High-efficiency pesticide |
| CN104041536A (en) * | 2014-06-25 | 2014-09-17 | 无锡市崇安区科技创业服务中心 | Medicament for controlling scale insects on michelia figo (lour.) spreng and application method thereof |
| CN106490020A (en) * | 2016-10-31 | 2017-03-15 | 郑州思辩科技有限公司 | A kind of Microbial wettable powder of preventing and treating Fructus Kaki mealybug and preparation method thereof |
| CN109169687A (en) * | 2018-09-19 | 2019-01-11 | 西安绿海生物科技有限公司 | A kind of Botanical synergistic compound pesticide and its application |
| CN113349226A (en) * | 2021-05-26 | 2021-09-07 | 仲恺农业工程学院 | Application of rose oil in pest control |
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Address after: 510260 Xingang West Road, Guangdong, Guangzhou, No. 105, No. Patentee after: Guangdong Institute of biological resources application Address before: 510260 Xingang West Road, Guangdong, Guangzhou, No. 105, No. Patentee before: Guangdong Entomological Institute |
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Address after: 510260 No. 105 West Xingang Road, Guangzhou, Guangdong, Haizhuqu District Patentee after: Institute of zoology, Guangdong Academy of Sciences Address before: 510260 No. 105 West Xingang Road, Guangzhou, Guangdong, Haizhuqu District Patentee before: Guangdong Institute of Applied Biological Resources |
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