Activity test and sugarcane injury test of three herbicides combination for sugarcane in greenhouse

Hexazinone diuron and ametryn were mixed at a set proportion, activity and security experiments were conducted through plot culture in greenhouse. Results showed that activity of the mixed herbicide combination, significantly improved in sugarcane field on Echinochloa colonum (L.) Link. Compared with the ametryn, safety of sugarcane arieties was Guitang No. 28>Yuetang No.128>ROC22. Combination of hexazinone, diuron and ametryn was safe than ametryn in the test.