24%唑草·苯磺隆WP防除春小麦田杂草效果试验

Test of Carfentrazone·ribenuron 24% WP on Controlling Weeds in Field of Spring Wheat

采用大田药效试验方法，对24%唑草·苯磺隆WP在春小麦田施用后对杂草的防除效果及对作物的安全性进行了研究。结果表明：24%唑草·苯磺隆可湿性粉剂对密花香薷、野油菜、藜等阔叶杂草具有较好的防除效果，推荐剂量为120.00-150.00g/hm^2（有效量为28.80-36.00g·ai/hm^2），于春小麦3-5叶期兑水300kg/hm^2进行茎叶喷雾，且对春小麦安全，使用后小麦增产5.54%-7.63%，总体增产效果高于对照，在春小麦田具有良好的推广应用前景。

Field trials were conducted to study carfentrazone · tribenuron 24% WP controlling broadleaf weeds and safety in Spring wheat field. The results show that carfentrazone .tribenuron 24% WP had a good control effects with Elsholtzia densa Benth,Rorippa montana（Wall.）, Cbenopodium album ect., it used to stem spray dosage by 120.00- 150.00g/hm^2 （effective quantity 28.80-36.00g·ai/hm^2）with water 300.00kg/hm^2 has safety when 3 leaves to 5 leaves ages on spring wheat, weeding wheat increased by 5.54% -7.63%, effects in experimental groups were obviously higher than those in the control group. It has a well prospect for promotion in spring wheat field.