防除甜高粱田杂草的除草剂筛选

李春宏,陆相龙,张培通,苏衍菁,王仪明,郭文琦,殷剑美,韩晓勇,王立,火恩杰

Screening Herbicides to Control Weeds for Sweet Sorghum

Chunhong Li,Xianglong Lu,Peitong Zhang,Yanjing Su,Yiming Wang,Wenqi Guo,Jianmei Yin,Xiaoyong Han,Li Wang,Enjie Huo

表5 甜高粱除草剂苗后处理对杂草的防效

Table 5 Control effect of weed by herbicide treatment for sweet sorghum after emergence

处理Treatment 阔叶杂草Broadleaf weeds 禾本科杂草Gramineous weeds 总杂草Total weeds 每m2株数 Plants per m2 鲜重(g/m2) Fresh weight 株防效(%) Number control effect 鲜重防效(%) Fresh weight control effect 每m2株数 Plants per m2 鲜重(g/m2) Fresh weight 株防效(%) Number control effect 鲜重防效(%) Fresh weight control effect 株防效(%) Number control effect 鲜重防效(%) Fresh weight control effect ⑥ 1.5 1.6 89.3b 90.0b 57.7 66.2 75.2b 73.9b 76.0 70.7 ⑦ 6.1 7.6 55.7c 53.9c 83.9 66 63.9c 69.3c 63.5 68.2 ⑧ 0.8 0.1 94.6a 99.3a 1.2 1.1 99.5a 99.5a 99.2 99.5 ⑨ 13.8 16.4 - - 232.5 214.8 - - - -