嗪吡嘧磺隆对不同水稻品种的安全性研究

张苏新, 李广雨, 王春, 王芊, 黄元炬

Study on the Safety of Metazosulfuron to Different Rice Varieties

Zhang Suxin, Li Guangyu, Wang Chun, Wang Qian, Huang Yuanju

表7 混剂对稗草的鲜重抑制率

Table 7 Fresh weight inhibition rate of mixture for Echinochloa crus-galli

混剂 Mixture (g a.i./hm2) 鲜重 Fresh weight (g) 鲜重抑制率 Fresh weight inhibition rate (%) ED90 (g a.i./hm2) 0.00 5.13a － 237.15 120.00 3.14b 38.79 240.00 0.46c 91.03 360.00 0.07d 98.64 480.00 0.01d 99.81