看麦娘是油菜田最主要的恶性杂草,特别是直播油菜,近年来使用土壤处理剂,受土壤湿度影响较大,效果不稳定,为了探讨油菜田的化学除草,1985年县测报站引进新型内吸茎叶处理剂吡氟禾草灵。全县分布12个点进行试验示范,取得十分理想的效果,平均防效95%以上,现将结果整理如下。一、试验示范概况试验区用35%吡氟禾草灵每亩30、50、75毫升和50毫升加洗衣粉1两,共四个处理,分别在10月30日、11月7日、12月20日和春后2月22日、3月5日分期用药试验,每小区面积2厘,重复2次,设不用药对照,10月和11 Anemarrhena was the most important weed weed in rapeseed field, especially live rapeseed. In recent years, the use of soil treatment agents, affected by soil moisture, the effect is not stable, in order to explore the chemical weed rape fields, A new type of suction stems and leaves treatment of fluazifop. The county distribution of 12 points pilot demonstration, and achieved very good results, the average control effect of more than 95%, now the results are organized as follows. First, the pilot demonstration Overview Experimental area with 35% fluazifop 30,50,75 ml per acre and 50 ml plus washing powder 1 two, a total of four treatment, respectively, on October 30, November 7, 12 On the 20th of the month and the spring of February 22, March 5 staged drug test, each cell area 2%, repeated 2 times, set no drug control, in October and 11