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Benfuracarb, also known as propylene carb. Molecular formula C20H30N2O5S, chemical name N-[2,3-dihydro-2,2-dimethylbenzofuran-7-yloxycarbonyl(methyl)aminothio]-N-isopropyl-\u03b2-alanine ethyl ester, reddish-brown viscous liquid, vapor pressure 26.7 \u03bcPa (20\u00b0C), relative density 1.171, flash point (closed) 114\u00b0C. At 20\u00b0C, the solubility in water is 8 mg\/L, and more than 50% can be dissolved in organic solvents such as benzene, xylene, acetone, dichloromethane, methanol, n-ethane, ethyl acetate, and corn oil. Kow 20000(20\uff5e22\u2103PH7)\u3002 Decomposes by 0.5~2.0% in 30 days at 54\u00b0C. In sunlight, degrade on glass plates, DT50 takes 3 hours.
\nApplication
\nBroad-spectrum insecticide. Generally, use 2~3 kg of 5% granules per mu, spray for aphid control in fruit trees, use 20% EC diluted 1,500~3,000 times. Used in dry land, where soil or air humidity is high during application, which helps the pesticide achieve its efficacy; Low-temperature drying fully exerted the medicinal effect. For controlling boring pests, apply pesticides at a certain time before pests enter the crops.
\n(1) Soil treatment: Apply 800~1,200 grams of 5% granules per mu or 400~600 grams of 10% emulsifiable concentrate for soil treatment to control corn pests, flea beetles, potato beetles, needle beetles, diamondback moths, and aphids on sugar beets and vegetables.
\n(2) Seed treatment: Mix seeds with 0.4~2 kg of 20% emulsifiable concentrate per 100 kg of seeds.
\nHow to use
\n1. Rice pests: To control dead hearts caused by the striped, tertiary, and giant stem borers, apply 30~37.5kg of 5% granules per hectare before the peak egg hatching period. To control white panicle and insect damage caused by the trichemical stem borer and large stem borer, during the peak egg hatching period, apply 30~45 kg of 5% granules per hectare and spray. To control brown rice lice, white-backed rice planthoppers, etc., during the rice booting stage, apply 30kg of 5% granules per hectare. When spreading granules, maintain the water layer in the field for 3~4 days, with an effective period of over one month. To control rice weevil beetles and rice leafrollers, spray 20% emulsifiable concentrate 2250~3750ml per hectare, diluted with water.
\n2. Cotton pests: To control corn borer, during the late heartleaf stage and the peak egg hatching period during pollination, apply 30~45kg of 5% granules per hectare. To control cotton aphids, apply to cotton plant holes during transplanting, applying 1.2~2kg of 5% granules per mu. The control effect reaches 90% 30 minutes after application and about 70% after 40 days. Application method: Use animal-powered seed hoes to install a granular pesticide application component, allowing the granules and seeds to be applied simultaneously into the soil or for spot sowing.
\n3. Sugarcane pests: To control sugarcane borers, during the sugarcane seedling stage and early stage of the sugarcane borer outbreak, apply 45kg of 5% granules per hectare, spread at the base of the seedlings, cover with soil and pesticide, and also treat black sugarcane turtles in seedlings.
\n4. Corn pests: To control corn borer, during the late heartleaf stage and pollination period, during the second and third generation egg hatching periods, apply 30~45kg of 5% granules per hectare, once each time, achieving over 90% control effectiveness.
\n5. Sugar beet pests: For control beet, jumping beetle, root stalk, etc., use 20~30kg of 5% granules per hectare, applied simultaneously with sugar beet sowing. Or dig furrows at the base of sugar beet seedlings for spraying, then cover with soil and pesticide.
\n6. Vegetable pests: To control cabbage aphids, cabbage caterpillars, diamondback moths, 28-spotted ladybugs, thrips, and potato beetles, use 20% emulsifiable concentrate 2250~3750ml per hectare, diluted in water and sprayed.
\n7. Fruit tree pests: To control citrus aphids, peach aphids, and peach fruit moths, spray with 20% emulsifiable concentrate diluted 300~400 times. To control various scale insects on fruit trees, during the first and second instar nymphs, spray with 20% emulsifiable concentrate diluted 300~400 times.<\/p>\n
Notes
\n1. Granules must undergo dissolution and absorption on crops. The optimal timing for application should be about 3 days earlier than for liquid pests, especially for boring pests, which should be applied before they enter the crop. Drought-resistant irrigation during dry or low humidity conditions helps the pesticide achieve its efficacy.
\n2. Benfuracarb should not be mixed with barnadone in rice fields; it should be applied 3~4 days before benfuracarb or one month after application.
\n3. Ankli poisoning may cause symptoms such as headache, cold sweating, weakness, chest tightness, vision loss, abdominal pain, diarrhea, nausea, vomiting, and generalized convulsions. During use, if the agent comes into contact with the body, immediately remove clothing and rinse the affected skin with soapy water; If the agent splashes into the eyes, rinse immediately with plenty of water. If poisoning occurs by accident, drink 1~2 cups of water immediately and use atropine for detoxification.<\/p>\n","protected":false},"excerpt":{"rendered":"
Benfuracarb, also known as propylene carb. Molecular formula C20H30N2O5S, chemical name N-[2,3-dihydro-2,2-dimethylbenzofuran-7-yloxycarbonyl(methyl)aminothio]-N-isopropyl-\u03b2-alanine ethyl ester, reddish-brown viscous liquid, vapor pressure 26.7 \u03bcPa (20\u00b0C), relative density 1.171, flash point (closed) 114\u00b0C. At 20\u00b0C, the solubility in water is 8 mg\/L, and more than 50% can be dissolved in organic solvents such as benzene, xylene, acetone, dichloromethane, methanol, n-ethane, ethyl acetate, and corn oil. Kow 20000(20\uff5e22\u2103PH7)\u3002 Decomposes by 0.5~2.0% in 30 days at 54\u00b0C. In sunlight, degrade on glass plates, DT50 takes 3 hours. Application Broad-spectrum insecticide. Generally, use 2~3 kg of 5% granules per mu, spray for aphid control in fruit trees, use 20% EC diluted 1,500~3,000 times. Used in dry land, where soil or air humidity is high during application, which helps the pesticide achieve its efficacy; Low-temperature drying fully exerted the medicinal effect. For controlling boring pests, apply pesticides at a certain time before pests enter the crops. (1) Soil treatment: Apply 800~1,200 grams of 5% granules per mu or 400~600 grams of 10% emulsifiable concentrate for soil treatment to control corn pests, flea beetles, potato beetles, needle beetles, diamondback moths, and aphids on sugar beets and vegetables. (2) Seed treatment: Mix seeds with 0.4~2 kg of 20% emulsifiable concentrate per 100 kg of seeds. How to use 1. Rice pests: To control dead hearts caused by the striped, tertiary, […]<\/p>\n","protected":false},"author":1,"featured_media":453,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[46],"tags":[],"class_list":["post-511","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-insecticides-acaricides"],"acf":[],"yoast_head":"\n