The biological activity of herbicide safener 3-dichloracety1-2,5-dimethy1-2-ethy1-1,3-oxazolidine in reducing injury by chlorsulfuron to corn was also studied.

• 采用室内生物测定方法,测定了玉米主根长、根鲜重、芽长、芽鲜重,研究了除草剂安全剂3-二氯乙酰基-2,5-二甲基-2-乙基-1,3-恶唑烷减轻氯磺隆对玉米的伤害作用。