yicaoanshiyaqianturangchuli，zaizuowubozhongqianhouchumiaoqianjinxingturangbiaomianpenwuchuli。hebenkezacaoyouyouyaxishou，kuoyezacaoyougenheyouyaxishou，xijintineideyaojinengganyouhesuandaixiehedanbaizhihecheng。shiyouya

，yougentingzhishengchang，zuizhongsiwang。zaiturangzhongchixiaoqikeda2個月左右。　　

　　乙yi草cao胺an用yong量liang與yu土tu壤rang濕shi度du，有you機ji質zhi含han量liang有you關guan。應ying根gen據ju不bu同tong季ji節jie，不bu同tong作zuo物wu和he草cao情qing確que定ding用yong藥yao量liang。有you機ji質zhi含han量liang低di的de沙sha土tu，應ying菜cai用yong低di劑ji量liang。高gao溫wen下xia用yong藥yao或huo施shi藥yao後hou遇yu雨yu，種zhong子zi接jie觸chu藥yao劑ji量liang產chan生sheng藥yao害hai。出chu苗miao後hou葉ye片pian皺zhou縮suo，發fa黃huang。　　

　 雜草受害後，幼根和幼芽受到抑製

，葉片不能從芽鞘抽出或抽出的葉片畸形，變短變厚而死亡。