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快捕净、草长灭对早熟禾都有较好的防除效果,而以快捕净防效更好。用10%快捕净EC35ml/667m^2和45ml/667m^2,药后45d对早熟禾的株防效分别达86.03%和90.27%。70%草长灭WP200g/667m^2株防效为63.59%;药后60d,10%快捕净EC35ml/667m^2和45ml/667m^2对早熟禾的株防效分别达94.27%和97.13%,70%草长灭200g/667m^2为87.50%;药后60d对早熟禾的鲜重防效依次为96.96%、98.34%和95.15%。在本试验条件