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Chinese Agricultural Science Bulletin ›› 2016, Vol. 32 ›› Issue (20): 51-56.doi: 10.11924/j.issn.1000-6850.casb16010068

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Control Effect of Different Herbicides on Weeds in Shanxi Sorghum Field

Zhang Jianhua, Bai Wenbin, Zhang Jia, Guo Ruifeng, Cao Changlin, Li Guang,   

  1. Shi Lijuan, Peng Zhidong, Fan Na, Jiang Baiyang(Institute of Sorghum, Shanxi Academy of Agricultural Sciences, Jinzhong Shanxi 030600)
  • Received:2016-01-14 Revised:2016-07-01 Accepted:2016-03-24 Online:2016-07-15 Published:2016-07-15

Abstract: To solve the problem of difficult weed control in Shanxi sorghum field, soil blocking agents and foliage treatment agents were screened for the application by using a randomized complete block test. The results showed that for the pre-emergence treatment, when the concentration of Atrazine, Metolachlor and 2,4-D Butyl ester was lower than 6750, 1350 and 1200 mL/hm2, respectively, there were less impact on sorghum emergence and good effect of weeding. The optimal ratio of Atrazine and Metolachlor complex combination was 5250 mL/hm2 900 mL/hm2. For the post-emergence treatment, there were good effect of weeding and less impact on sorghum yield when the concentration of Quinclorac, Atrazine, MCPA and 2,4-D Butyl ester was 750 g/hm2, 2700 g/hm2, 1500 g/hm2 and 1050 mL/hm2, respectively. The optimal ratio of Atrazine Quinclorac, Atrazine 2,4-D Butyl ester, Bentazon Quinclorac complex combination was 2250 g/hm2 600 g/hm2, 2250 g/hm2 300 mL/hm2 and 3000 mL/hm2 750 g/hm2, respectively.