千金草是爵床科植物，引种地点为深圳海关。
稻田常用的除稗除草剂中，禾大壮、丁草胺、扫氟特和千金对抗二氯喹啉酸突变型表现出比较高的毒性反应。
Among of commonly used herbicide of control barnyardgrass in paddy, Molinate, Butachlor, Pretilachlor and Cyhalofop-butyl showed higher toxic reaction for barnyardgrass is resistant to quinclorac.
由于氰氟草酯、ACID和DIACID在土壤环境中均分解较快，可以认为千金在环境中属非滞留性除草剂。
Because of the rapid reaction in soil and eventual disappearance of XDE 537, ACID and DIACID, it was suggested that the herbicide Clincher is non persistent in the environment.
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