CN105052986A - Disinsection composition for preventing and treating park crop thrips - Google Patents
Disinsection composition for preventing and treating park crop thrips Download PDFInfo
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- CN105052986A CN105052986A CN201510600217.0A CN201510600217A CN105052986A CN 105052986 A CN105052986 A CN 105052986A CN 201510600217 A CN201510600217 A CN 201510600217A CN 105052986 A CN105052986 A CN 105052986A
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Abstract
The invention relates to a disinsection composition for preventing and treating park crop thrips. The disinsection composition consists of the following effective ingredients in percentage by weight: 1-5% of abamectin, 5-10% of spinosad and 10-25% of clothianidin. The disinsection composition is suitable for preventing and treating thrips on park flowers, cash crops and vegetables and also suitable for preventing and treating common sucking pests in the agriculture, is high in efficiency and low in toxicity, has a synergy effect which is more obvious than that of a single agent, is obviously reduced in field dosage, is capable of alleviating the environmental pollution and further is conductive to delaying the resistance development of the thrips, and the service life of pesticides is prolonged.
Description
Technical field
The present invention relates to greening gardens prevention and control field, specifically a kind of Pesticidal combination containing Avermectin and multiple killing teichomycin, be mainly used in the banyan pipe thrips preventing and treating Horticultural crops.
Background technology
Thrips is one of primary pest of garden landscape crop, and the leaflet banyan of southern china, mango, almond and chrysanthemum, rose landscape flower are often subject to the harm of thrips.Thrips is clustered in face of blade and the back side with adult and nymph, file phyllidium meat and juice, by harm only residual epidermis, form white dot, killed flowers plant be short and small, growth retardation, spend little, blade is filthy, matt, even death.Ficus microcarpa also claims spire banyan, is the important gardens scene plant of southern china, because it is evergreen tree, and there is prosperous aerial root, beautify luxuriant, tree-shaped is beautiful, branches and leaves are sagging, be southern town and country road, square, park, scenic spot, courtyard primarily beautify seeds.Banyan pipe thrips is the primary pest of Ficus microcarpa, adult, nymph file inhale tender shoots, the tender leaf of Ficus microcarpa, and cause and form purplish red brown spot not of uniform size, in rear edge, arteries and veins is folding to blade face, form the insect gall of dumpling shape, tens of head causes up to a hundred adults, nymph and sucks in insect gall and cause harm.The most leaf of severe patient of being injured becomes dumpling shape, and is covered with bronzing spot, reduces ornamental value and economic worth.
Control urban tree is is still chemically prevented and treated at present, and is selecting pesticide species medicament still relying on high malicious high residue.As still relied on the pesticide species of the contour malicious wide spectrum of omethoate, flolimat, phoxim, decis, as sprayed these high-toxic pesticides in city, can great contaminated air, agricultural chemicals taste fills the air to pass by and neighbouring civil plantation causes very large trouble.And due to biological propertyes such as its breeding amount are large, generation overlap is obvious, thrips resistance to insecticide is developed obviously, increases the difficulty of control thrips.Therefore a kind of toxicity is badly in need of low, active high and the new product of its resistance development can be delayed, alleviate the impact on environment while effectively preventing and treating crop.
Avermectin is a class biogenic pesticide, and its preparation is a kind of insecticidal/acaricidal agent of high-efficiency low-toxicity, has and tags and stomach poison function, have very strong permeability, can kill subepidermal insect, have the longer longevity of residure to blade insect and mite class.It is residual few at plant surface, therefore less to the damage of beneficial insect for Avermectin.
Multiple killing teichomycin, have insect and tag fast and stomach poison function, have stronger osmosis to blade, can kill subepidermal insect, the longevity of residure is longer, has certain ovicidal action to some insects.Without systemic action.Can effectively preventing Lepidoptera, diptera and Thysanoptera, also well can prevent and treat in coleoptera and orthoptera that some takes food the pest species of blade in a large number, poor to the control efficiency of sucking pest and mite class.Safer to predatory natural enemy insect, because insecticidal action mechanism is unique, not yet find to there is mutual drug-fast report with other insecticides at present.To plant safety without poisoning, be suitable for vegetables, fruit tree, gardening, crops use.
Clothianidin, chemical name: (E)-1-(the chloro-1,3-thiazoles of 2--5-ylmethyl)-3-methyl-2-2-nitroguanidine, belongs to anabasine insecticide.Clothianidin can be used for the insect such as thrips, aphid, leafhopper, aleyrodid prevented and treated on all kinds of crop.Clothianidin has interior suction and osmosis, have efficient, low toxicity, lasting period long, to crop without poisoning, use safety and conventional pesticide without advantages such as cross resistances.
Summary of the invention
The object of the invention is to, provide a kind of toxicity low, active high, the Pesticidal combination that synergistic effect is good, effectively can prevent and treat the thrips on garden landscape crop.
The present invention solves the problems of the technologies described above taked technical scheme: a kind of Pesticidal combination preventing and treating Horticultural crops thrips, active ingredient is made up of Avermectin, multiple killing teichomycin and clothianidin, and Avermectin, multiple killing teichomycin and clothianidin percentage by weight is in the composition 1-5:5-10:10-25
Described Pesticidal combination, according to method known in those skilled in the art, adds respective secondary auxiliary agent, makes the formulation that the applicable agriculture gardens such as missible oil, suspending agent, microemulsion use.
Adjuvant in present composition preparation comprise emulsifier, solvent, stabilizing agent, antifreezing agent, thickener, wetting agent, sustained release agent, dispersant or other be of value to the active ingredient known substance that plays of stable and drug effect in the formulation, all various compositions that are conventional in field of pesticide preparation or permission use, be not particularly limited, concrete composition and consumption are determined by test according to recipe requirements.
Pesticidal combination of the present invention is suitable for preventing and treating the thrips on landscape flower, economic crops and vegetables, is also suitable for preventing and treating agriculturally common sucking pest
Pesticidal combination of the present invention, compared with prior art, has the following advantages and remarkable result:
(1) high-efficiency low-toxicity, it is as lower in omethoate toxicity that these 3 active ingredients of Avermectin, multiple killing teichomycin, clothianidin compare organophosphorus insecticide, higher to the activity of thrips.
(2) composition has good infiltration and interior absorption energy, can kill and can be hidden in petal or thrips in leaf roll.
(3) in composition, the mechanism of action of each agriculture the effective elements of the medicine is different, has obvious synergistic function, compared with single dose, field rate obviously reduces, the pollution to environment can be alleviated, contribute to the resistance development delaying thrips simultaneously, extend medicament service life.
(4) field trial shows, said composition also has good control efficiency to the sucking pest on gardens and flowers view crop.
Embodiment
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.Percentage of the present invention is all weight percentage.
Embodiment 1: Avermectin, multiple killing teichomycin and clothianidin and different ratio are to the Toxicity Determination of banyan pipe thrips
(1) test medicine:
Mass percentage is the former medicine of Avermectin (Hebei Weiyuan Biochemical Co., Ltd.) of 92%; Mass percentage is the former medicine of multiple killing teichomycin (The Dow Agrosciences, LLC.) of 90%; Mass percentage is the former medicine of clothianidin (SUMITOMO CHEMICAL KCC) of 95%; Former medicine is mixed with according to a conventional method the test medicine of needs.
(2) subjects: banyan pipe thrips, picks up from Nanning city, and the potted plant Ficus microcarpa of indoor employing is raised.
(3) test method: test, with reference to " People's Republic of China's agricultural industry criteria " (farm-chemical indoor determination test rule insecticidal n Y/T1154.14-2008), adopts leaf dipping method.Fresh Ficus microcarpa (green) blade is cut into 5mm*20mm rectangular, floods 10 seconds in the liquid prepared, fully dry in the shade after taking-up, put in dactylethrae (high 5cm, internal diameter 1cm); With little writing brush, the consistent banyan pipe thrips adult of growth is chosen in pipe gently, seal with preservative film; Often pipe examination worm 20, each process repetition 3 times, arranges the process of dipping clear water in contrast; Test tube is lain in ceramic whiteware dish, use black cloth shading, be put in 26-27 DEG C of insulating box and cultivate, within 48 hours, check dead borer population.
(4) data processing and statistics: carry out statistical analysis with DPS data processing software, calculate regression curve, calculate the LC50 of each medicament, the abundant co-toxicity coefficient method (CTC) waiting nineteen sixty to propose of Sun Yun is adopted to evaluate the synergistic effect of pharmacy mix, as co-toxicity coefficient (CTC) >=120, composition shows as synergistic effect; When CTC≤80, composition shows as antagonism; As 80 < CTC < 120, composition shows as summation action.Result of the test is in table 1.
Table 1 Avermectin, multiple killing teichomycin, clothianidin and different ratio are to the Toxicity Determination of Controll of Gynaikothrips uzeli on Ficus microcarpa
Measurement result shows, Avermectin, multiple killing teichomycin and clothianidin in proportion of the present invention, all 120 are greater than to the co-toxicity coefficient (CTC) of Controll of Gynaikothrips uzeli on Ficus microcarpa, all show as synergistic function, but but show antagonism when 1:1:1.
Embodiment 2:25% Avermectin multiple killing teichomycin clothianidin suspending agent
The ratio of each components such as active component, dispersant, wetting agent and deionized water in formula is mixed, after sand mill grinding, obtains 25% Avermectin multiple killing teichomycin clothianidin suspending agent.
Embodiment is applied to the banyan pipe thrips of control Ficus microcarpa, in fine day at dusk dispenser, evenly prevents and treats with the foliar spray of routine, moistening for standard with blade, and banyan pipe thrips is mainly caused harm young leaves, makes leaf rolling, forms purplish red brown spot not of uniform size simultaneously.After dispenser, 1 day, 7 days investigation insect pest situation after 3 days and medicine after medicine, calculate control efficiency.
Result of the test is in table 2.
The test of pesticide effectiveness of table 225% Avermectin multiple killing teichomycin clothianidin suspending agent control Controll of Gynaikothrips uzeli on Ficus microcarpa.
Field trial shows, after Avermectin, multiple killing teichomycin and clothianidin rational mixture, complex preparation comparatively single dose is used alone, the control efficiency of panonychus citri is improved a lot, pesticide usage amount obviously reduces, and can effectively reduce the harmful effect to environment, improves the lasting period of medicament simultaneously, decrease spraying times, significantly reduce the labour intensity of agricultural operation.
Embodiment 3:4.0% Avermectin multiple killing teichomycin clothianidin microemulsion
Former medicine, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Under high velocity agitation, oil phase is mixed with water, obtained 4.0% Avermectin multiple killing teichomycin clothianidin microemulsion after stirring.
This embodiment is applied to the banyan pipe thrips of control Ficus microcarpa, in fine day dispenser at dusk, evenly prevents and treats with the foliar spray of routine, moistening for standard with blade, banyan pipe thrips is mainly caused harm young leaves, tender shoots, and leaf rolling, forms purplish red brown spot not of uniform size.After dispenser, 1 day, 14 days investigation insect pest situation after 3 days and medicine after medicine, calculate control efficiency.
Result of the test is in table 3.
The test of pesticide effectiveness of table 34.0% Avermectin multiple killing teichomycin clothianidin microemulsion control Controll of Gynaikothrips uzeli on Ficus microcarpa.
In test of pesticide effectiveness process, Ficus microcarpa growth is normal, and have obvious synergistic function to the preventive effect of banyan pipe thrips after Avermectin, multiple killing teichomycin and clothianidin mixture, mixture preparation can significantly improve drug effect, the amount of application of each single dose can be reduced simultaneously, be conducive to alleviating the pollution to environment.
In sense of smell, because composition is the Pesticidal products of high-efficiency low-toxicity, after dispenser 15 minutes, use the pungent lighter odor in test region of the present invention, and the pungent smell in the test region using omethoate is very heavy; After dispenser 12 hours, using test region of the present invention did not have pungent smell, and the pungent smell in test region using omethoate is also relatively heavier; After medicine 24 hours, the pungent smell in test region using omethoate was also in proportion, after medicine 48 hours, and the pungent smell in test region using omethoate dissipates.
Claims (2)
1. prevent and treat a Pesticidal combination for Horticultural crops thrips, it is characterized in that, active ingredient is made up of Avermectin, multiple killing teichomycin and clothianidin, and Avermectin, multiple killing teichomycin and clothianidin percentage by weight is in the composition 1-5:5-10:10-25.
2. missible oil, suspending agent and the microemulsion be made up of the Pesticidal combination of control Horticultural crops thrips according to claim 1.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663381A (en) * | 2005-03-16 | 2005-09-07 | 广东省农业科学院植物保护研究所 | Vegetable pesticide |
| CN101658172A (en) * | 2009-08-16 | 2010-03-03 | 成都皇牌作物科学有限公司 | Pesticide composition containing spinosad and application thereof |
| CN101999393A (en) * | 2010-01-28 | 2011-04-06 | 深圳诺普信农化股份有限公司 | Pesticide composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663381A (en) * | 2005-03-16 | 2005-09-07 | 广东省农业科学院植物保护研究所 | Vegetable pesticide |
| CN101658172A (en) * | 2009-08-16 | 2010-03-03 | 成都皇牌作物科学有限公司 | Pesticide composition containing spinosad and application thereof |
| CN101999393A (en) * | 2010-01-28 | 2011-04-06 | 深圳诺普信农化股份有限公司 | Pesticide composition |
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Application publication date: 20151118 |