साधन चिह्नित: Botanical Insecticides
3 items found (Showing 1 - 3)
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19-11-1986 Integrated pest management - Nicaragua Insecticial plants Biological control Do small farmers have effective alternatives to chemical pesticides Natural crop protection based on local resources Natural enemies wanter Mexican farmers sell organic coffee
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01-01-1979 These field trials were designed to study the effectiveness of various herbal interplantings and sprays in controlling insect pest populations of aphid, imported cabbageworm, and colorado potato beetle on the vegetable crops bell pepper, cabbage, and potato. It has been concluded from the data...
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Excerpt from Neem's Potential in Pest Management Programs: Proceedings of the Usda Neem Workshop, Beltsville, Maryland, April 16-17, 1990 In 1974-75, a group at Columbia University in New York reported the chemical identification of portions of the azadirachtin and salannin molecules responsible...