It was found that the death of the full age of rice weevil. There is a value added to increased concentration of cypermethrine. Up the intensity of the rice weevil cypermethrine that causes death 50% LC50. Is equal to a ppm? And this time, the death of rice weevil full age 50% (LT50) is equal to a value in minutes, there are reduced when LT50 concentration of cypermethrin increases.Found that the death of the adult weevil rice. The increased concentration of cypermethrine increase. The concentration of cypermethrine The rice weevil death of 50% LC50 due to 0.091And this time, the death of rice weevil full age 50% (LT50) were 18.992
การแปล กรุณารอสักครู่..