摘要 |
FIELD: organic chemistry, agriculture. ^ SUBSTANCE: method involves carrying out a seasonal single treatment of plant leaves with asymmetrical derivative of 4,6-bis-(aryloxy)pyrimidine of the formula: wherein X means chlorine atom (Cl), nitro- or cyano-group. Invention provides enhancing the long-term time of plants protection. ^ EFFECT: enhanced effectiveness and valuable properties of compounds. ^ 6 cl, 6 tbl |