RELATION BETWEEN DEGRADABILITY OF PESTICIDES BY MICROORGANISM AND THEIR PARTITION COEFFICIENTS IN n OCTANOL WATER
农药微生物降解性与农药疏水性参数间的相关性

In pure culture system, the differences among degradative rates of parathion methyl, parathion, fenitrothion, fenpropathrin, deltamethrin, fenvalerate, permethrin, cyhalothrion, and cyperthrin by the broad spectrum bacterial strain Alcaligenes sp. YF11 are mainly caused by the n octanol water partition coefficient (log K ow ). A linear relation between the rates (K) and n octanol water coefficients(log Kow) has been obtained as follow: log K=2.21-0.26 log Kow, r=0.9739.