乐田特(Radiant-S)防除春大豆田杂草效果评价  

EFFECT OF CONTROLLING WEEDS IN SPRING SOYBEAN FIELD WITH RADIANT-S

作　　者：黄春艳[1] 陈铁保[1] 王宇[1] 孙宝宏[1] 

机构地区：[1]黑龙江省农业科学院植物保护研究所,哈尔滨150086

出　　处：《大豆科学》2002年第3期228-230,共3页Soybean Science

摘　　要：田间小区试验结果表明 ,在春大豆苗 2片复叶期 ,禾本科杂草 3 -5叶期 ,阔叶杂草株高 5 -7cm时施药 ,6.5 %乐田特乳油对大豆田的稗草、藜、本氏蓼、反枝苋、龙葵、香薷、卷茎蓼等一年生禾本科杂草和阔叶杂草有良好防效。虽然对大豆叶片可造成接触性药害斑 ,但在 1周后即可恢复正常 ,不影响大豆后期生长发育和开花结实 ,对大豆安全。适宜用药量为 6.5 %乐田特乳油 1 65 0 -1 80 0ml/hm2 。The field trial results showed that Radiant-S could effectively control the grasses and broadleaf weeds in spring soybean field. The optium application timing was at 2nd trifoliate-leaf stage of soybean, 3-5 leaves of grass weeds and 3-7 cm high of broadleaf weeds. The suitable dosage was Radiant-S 1650-1800ml/hm 2. These dosages were safe to spring soybean.

关 键 词：春大豆田杂草 乐田特 化学防除 药效试验 除草剂 

分 类 号：S482.4[农业科学—农药学]