嘧草醚是一种内吸传导型专业除稗剂,内吸传导性强,具备茎叶处理和一定的土壤封闭的作用,近年,水稻田中后期稗草问题变得尤为突出,对稗草特效且具有超长持效期的除稗剂被寄予厚望,随着水稻一次性除草剂在国内的发展,嘧草醚将迎来一个广阔的市场……嘧草醚的研究开始时普遍推广一次性处理剂,但一次性处理剂处理时期限定在稗草叶龄低的极短时间内,一旦农民错过有效处理时间,就不得不花费大量劳力采用人工除草。因为一次性处理剂是省力的杂草防除技术,所以种植者期望有防除稗草持效期长的药剂上 In recent years, the problem of barnyard grass in paddy field has become more prominent, and the effect of barnyardgrass And with long persistence of barnyardgrass is expected, with the development of rice one-time herbicides in the country, will usher in a broad market pyrimethanil ... Propyl grass research generally promote a one-time However, the disposal time of one-off treatment was limited to the very short period of leaf age of barnyardgrass. Once farmers lost their effective treatment time, they had to spend a lot of labor on manual weeding. Because disposables are labor-saving weed control techniques, growers are expected to have a long-acting drug to control barnyardgrass