FIELD: agriculture, forest science. SUBSTANCE: invention relates to physical-chemical method of control of pests of forest and cultured plants using natural biologically active substances. Composition is the reversed emulsion of pine galipot taken in the amount 9-23% preliminary diluted with mixture of oil and low-molecular polyethylene (40%) in water (30-40%) and stabilized with oil-soluble emulsifier T-2 (7-8%). Composition is prepared by melting low-molecular polyethylene, oil and emulsifier followed by addition of galipot at 90-95 C and the following addition of water and stirring by turbine mixer for 2-3 min. Composition is based on available natural biologically active raw (galipot) and characterized by a long time of biological protective effect of forest and cultured plants from insect pests. EFFECT: enhanced effectiveness of composition. 1 tbl
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Authors
Dates
2001-04-20—Published
1999-11-04—Filed