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5 嗪吡嘧磺隆与丙草胺混用对杂草的鲜重抑制率

Table 5 Fresh weight inhibition rate of weeds by the combination of metazosulfuron and pretilachlor %

杂草种类 Weed species 丙草胺 Pretilachlor (g a.i./hm2) 嗪吡嘧磺隆 Metazosulfuron (g a.i./hm2) 0.00 24.75 49.50 74.25 99.00 稗草 Echinochloa crus-galli 0.00 － 20.78 46.56 59.44 77.25 112.50 30.38 57.47 77.02 90.31 96.52 225.00 59.11 78.25 89.46 98.81 100.00 337.50 73.54 88.30 95.63 100.00 100.00 450.00 90.78 97.43 100.00 100.00 100.00 萤蔺 Schoenoplectiella juncoides 0.00 － 55.12 77.03 82.27 95.35 112.50 21.44 76.97 83.26 93.81 98.22 225.00 42.01 84.63 92.85 100.00 100.00 337.50 64.38 95.99 100.00 100.00 100.00 450.00 82.18 99.06 100.00 100.00 100.00 野慈姑 Sagittaria trifolia 0.00 － 49.53 70.02 81.18 91.65 112.50 15.76 57.29 74.51 89.9 95.77 225.00 31.08 65.92 81.63 97.08 98.19 337.50 58.66 78.35 90.78 100.00 100.00 450.00 71.39 84.76 96.23 100.00 100.00