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稗草是禾本科一年生杂草,丛生,杆粗壮,直立或扩展,光滑无毛,适应性强,耐干旱、盐碱、喜温暖,繁殖力强,常为稻飞虱、稻叶蝉的寄主。在我国大部稻区均危害严重,为稻田恶性杂草。与稻苗的主要区别在于其叶片较柔软,主脉明显,无叶耳或叶舌。稗草亡(50%二氯喹啉酸可湿性粉剂)属激素型喹啉羧酸类除草剂,能被萌发的种子、根及叶部迅速吸收,主要是根系吸收,并在体内向各个部位传导,使杂草中毒死亡。受药杂草出现嫩叶失绿、弯曲,阔叶杂草还出现根部畸型肿大等激
Barnyardgrass is an annual weed gramineous, tufted, stem thick, upright or expanded, smooth hairless, adaptable, drought-resistant, saline-alkali, hi warm, strong fertility, often as planthoppers, rice leafhoppers host . In most of our rice area are seriously endangered, for the weedy rice fields. The main difference with the rice seedlings is that its leaves are softer, obvious main artery, no auricles or ligules. Barnyard grass (50% quinclorac wettable powder) is a hormone type quinoline carboxylic acid herbicide, can be germinated seeds, roots and leaves rapidly absorbed, mainly the root absorption, and conduction to various parts of the body , Weed poisoning death. Drug weeds emergence of green leaves, bending, broad-leaved weeds also appear radical enlargement and other shocks