摘要
在秋季雀麦3~4叶期和春季雀麦返青期,选用70%彪虎,3%世玛药剂分别进行茎叶喷雾处理试验。试验结果表明:70%彪虎不同使用剂量对小麦安全;3%世玛不同剂量在秋季使用对小麦均产生药害,其症状表现为小麦黄化,有少量死苗,春季返青期使用对小麦较安全。2种除草剂的最终防除效果均>90.0%。
At the stage of Bromus 3 - 4 leaves in autumn and the turn green stage in spring, selected 70% flucarbazone and 3% mesosulfuron-methyl respectively do the foliage spray test. The results showed that 70% flucarbazone safety of different dosages of wheat; 3% of mesosulfuron-methyl different doses using in fall can produced on wheat injury, the symptoms are wheat yellow, a small amount of dead seeding, in spring greenup is safe. These 2 herbicides final control effects are greater 90%.
关键词
雀麦
药剂
防效
BromusjaponicusThunb
medicament
efficient