dead hearts

dead heartsdead hearts
  1. Study on Damage and Control of Dead Hearts of Owl Moth for Maize Seedling

    枯心夜蛾对玉米幼苗的危害与防治

  2. The insecticide commonly used now is 6 % γ BHC . The effective dosage is 1.5 carries ~ per mow to prevent dead hearts and 2 catties each mow in preventing white heads .

    目前广泛应用的药剂是6%丙体六六六,每亩用量在防治枯心时为1.5斤,防治白穗为2斤。