abstract |
FIELD: plant protection. SUBSTANCE: composition contains, wt %: chitosan with molecular weight 800-50000 and degree of deacetylation 70-90%, 0.1-0.3; lactic acid, 0.07-0.21; succinic acid, 0.03- 0.09; potassium metasilicate, 0.02-0.06; dimethylsulfoxide, 0.01-0.03; water, the balance. The pH of solution is 6.0-6.5 and chitosan-to-organic acid weight ratio is 1:1. EFFECT: increased activity of preparation and reduced its environmental harm. 6 tbl, 18 ex |