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Insecticide for controlling Phenacoccus solenopsis Tinsley
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A technology of fuso mealybug and insecticide, which is applied in the field of insecticides for preventing and treating fuso mealybug, and can solve the problems of poor elimination effect of fuso mealybug and the like
Inactive Publication Date: 2016-08-17
YANTAI TUWEN MARK CHEM TECH CO LTD
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Abstract
Description
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[0005] The object of the present invention is to solve the disadvantages of the poor elimination effect on Fuso cotton mealybug existing in the above-mentioned prior art, and provide a kind of insecticide for preventing and controlling Fuso cotton mealybug with good effect in eliminating Fuso cotton mealybug
Method used
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Embodiment 1
[0027] Weigh the raw materials in the following proportions by weight: 21 g of 6-methyl-17alpha-hydroxypregna-4,6-diene-3,20-dione acetate, 15 g of methyl vinyl ketone, diethylene glycol Divinyl ether 5g, methacrylatehydrogen-containing polysiloxane 18g, E-4-methyl-6-(1,3-dihydro-7-methyl-4-hydroxy-6-methoxy- 3-oxo-5-isobenzofuryl)-4-hexenoic acid 8g, 2-butoxy-1-methyl-2-oxoethanol butyrate 36g, 4-androstene-6a,17b- 13 g of diol-3-one, 46 g of 19-desmethyl-4-androstenediol, and 29 g of 2-methyl-5-oxocyclopent-1-enolpropionate.
[0028] The preparation method of the insecticide for preventing and controlling Fuso cotton mealybug in this example: add deionized water in proportion to the reaction pot, and add 6-methyl-17alpha-hydroxypregna-4,6-diene-3 while stirring , 20-diketone acetate, methyl vinyl ketone, diethylene glycol divinyl ether, methacrylatehydrogen-containing polysiloxane, continue to stir until uniformly dispersed, and then heat to 50-60 ° C; Add E-4-methyl-6-...
Embodiment 2
[0030] Weigh the following raw materials in parts by weight: 24g of 6-methyl-17alpha-hydroxypregna-4,6-diene-3,20-dione acetate, 11g of methyl vinyl ketone, diethylene glycol Divinyl ether 7g, methacrylatehydrogen-containing polysiloxane 21g, E-4-methyl-6-(1,3-dihydro-7-methyl-4-hydroxy-6-methoxy- 3-oxo-5-isobenzofuryl)-4-hexenoic acid 6g, 2-butoxy-1-methyl-2-oxoethanol butyrate 39g, 4-androstene-6a,17b- Diol-3-one 15g, 19-desmethyl-4-androstenediol 42g, 2-methyl-5-oxocyclopent-1-enolpropionate 32g.
[0031] The preparation method of the insecticide used for preventing and treating Pythias spp. in this example is the same as that in Example 1.
Embodiment 3
[0033] Weigh the following raw materials in parts by weight: 27g of 6-methyl-17alpha-hydroxypregna-4,6-diene-3,20-dione acetate, 13g of methyl vinyl ketone, diethylene glycol Divinyl ether 3g, methacrylate hydrogen-containing polysiloxane 24g, E-4-methyl-6-(1,3-dihydro-7-methyl-4-hydroxy-6-methoxy- 3-oxo-5-isobenzofuryl)-4-hexenoic acid 7g, 2-butoxy-1-methyl-2-oxoethanol butyrate 33g, 4-androstene-6a,17b- Diol-3-one 17g, 19-desmethyl-4-androstenediol 44g, 2-methyl-5-oxocyclopent-1-enolpropionate 26g.
[0034] The preparation method of the insecticide used for preventing and treating Pythias spp. in this example is the same as that in Example 1.
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Abstract
The invention relates to an insecticide, in particular to an insecticide for controlling Phenacoccus solenopsis Tinsley. The insecticide for controlling Phenacoccus solenopsis Tinsley is prepared from 6-methyl-17alpha-hydroxypregn-4,6-diene-3,20-dioneacetate, methyl vinyl ketone, diethylene glycol divinyl ether, polymethylhydrosiloxane, E-4-methyl-6-(1,3-dihydro-7-methyl-4- hydroxyl-6-methoxy-3-oxo-5-isobenzofuran)-4-hexenoic acid and the like. The insecticide for controlling Phenacoccus solenopsis Tinsley is remarkably effective in eliminating the Phenacoccus solenopsis Tinsley, simple in preparation method, convenient to process and manufacture, cheap and capable of controlling hazards of the Phenacoccus solenopsis Tinsley to crops and is suitable for popularization and application.
Description
technical field [0001] The invention relates to an insecticide, in particular to an insecticide for controlling the hibiscus cotton mealybug. Background technique [0002] Hibiscus cotton mealybug belongs to Homoptera, mealybug family, cotton mealybug genus. The worm is native to North America, and it was found to damage cotton in the United States in 1991, followed by reports in Mexico, Chile, Argentina and Brazil. It was discovered in India and Pakistan in 2005, causing serious harm to local cotton production. In recent years, this organism has been found to harm cotton and vegetables in some areas of Guangdong and other provinces in my country. P. hibiscus cotton has a strong reproductive capacity, and the number of eggs laid by a single female adult is 200-862, with an average of 458 eggs. The development period of the female worm in the pre-oviposition period is 13-18.5 days, an average of 15 days; the oviposition period is 8-26.5 days, an average of 18 days. [0...
Claims
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Application Information
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