Method for preparing microcapsule pesticide made by compounding insect attractant and insecticide and used for controlling monochamus alternatus
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A technology of Monochamus alternatus and its manufacturing method, which can be applied in the directions of insecticide, pest attractant, pest control, etc., and can solve problems such as easy volatilization
Inactive Publication Date: 2016-08-03
NANTONG QINGANJIAN WATERLESS PRINTING & DYEING INST GENERAL PARTNER
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Description
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Problems solved by technology
Most of the attractants of Monochamus alternatus are terpenoid small molecules, which are very volatile, so they must be treated with microencapsulation technology to maintain the effective period of several months
Method used
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Examples
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Embodiment 1
[0029] (1), get thiacloprid 40kg, corn oil 100kg, sand mill grind 3-4h until the thiacloprid particle diameter reaches 1-3 micron, stand-by.
[0030] (2), get beta-cypermethrin 60kg, terpineol 140kg, heat to dissolve.
[0031] (3), put the prepared material of (1) and (2) and Monochamus alternatus 5kg attractant into the mixing tank, add surfactant Tween 80#15kg, Span 20#10kg, heat to 60 ℃, add 100kg of deionized water at 60 ℃, stir vigorously to emulsify and disperse. Add 2% gelatin aqueous solution 500kg again, react 2h under constant temperature 50 ℃ of stirring, add 2% Arabic gum aqueous solution 128kg, constant temperature 55 ℃ of stirring reaction 2h, obtain Monochamus alternatus attractant and insecticide compound control Monochamus alternatus Microencapsulated pesticides.
[0032] In this example, the attractant of Monochamus alternata consists of the following raw materials: α-pinene 20%, β-pinene 10%, limonene 5%, turpentine 30%, tricarene 12%, terpineol 17% , 4% ...
Embodiment 2
[0039] (1), get 40kg of pyridacloprid, 100kg of corn oil, grind with a sand mill for 3-4h until the diameter of the solid particle of pyridacloprid reaches 3-5 microns, and set aside.
[0040] (2), get bifenthrin 40kg, terpineol 15kg, heat to dissolve.
[0041] (3), put the prepared material of (1) and (2) and Monochamus alternatus 5kg attractant into the mixing tank, add Tween 80#15kg, Span 20#10kg, heat 60°C and add water 100kg, Emulsify and disperse under strong stirring; add 628 kg of 2% polyvinyl alcohol aqueous solution, and react at a constant temperature of 50° C. for 4 hours under stirring to obtain a microcapsule pesticide for controlling Monochamus alternatus compounded with attractant and insecticide.
[0042]In this example, the attractant of Monochamus alternata consists of the following raw materials: α-pinene 20%, β-pinene 10%, tricarene 12%, caryophyllene 2%, limonene 3%, turpentine 30%, 4% of absolute ethanol, 17% of terpineol, 2% of methyl eugenol, and the ...
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Abstract
The invention discloses a method for preparing a microcapsule pesticide made by compounding an insect attractant and insecticide and used for controlling monochamus alternatus. The method comprises the following steps: (1) a neonicotinoid pesticide and a natural ester compound or a rosin extract compound are mixed and ground to enable the granularity of the neonicotinoid pesticide to be 1-5 micrometers; (2) a pyrethroid pesticide is heated and dissolved by terpilenol; (3) the mixtures obtained in step (1) and step (2) are mixed, and paste is obtained; (4) a monochamus alternatus attractant is prepared; (5) the paste obtained in step (3) is mixed with the monochamus alternatus attractant, then an aqueous solution of a surfactant is added, and stirring is performed; then an aqueous solution of a capsule shell material is added, stirring is performed continuously, and the microcapsule pesticide is prepared. The microcapsule pesticide is sprayed onto trees serving as attractant wood, so as to attract monochamus alternatus coming for oviposition; the monochamus alternatus in contact with the microcapsule pesticide will be killed, therefore, the monochamus alternatus is controlled.
Description
technical field [0001] The invention relates to a method for manufacturing microencapsulated pesticides for controlling Monochamus alternatus by compounding insect attractants and insecticides, belonging to the field of agricultural manufacturing in the chemical industry. Background technique [0002] The pine nematode is an ancient organism. Pine trees will wither and die within a few months after being infected with pine xylophilus, so it is also called "wilt disease" of pine trees. The pine trees in Japanese forests have almost died out in just a few decades since the discovery of pine nematode disease. Pine wood nematode disease has been introduced into China from Japan, and the endemic areas of pine wood nematode have been found in almost all provinces in southern my country. Every year, nearly 10 billion yuan is lost to my country's forestry due to infection with pine wood nematode. [0003] Monochamus alternatus is the intermediate host of pine xylophilus, which be...
Claims
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Application Information
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