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2011•Nanfang nongye xuebaoRequires access

Effects of 73% mixed MCPA-Na,ametryn and diuron WP on controlling weeds in sugarcane field

Fang Feng, Jie-Cheng Zhou, Liang YuanYao, Ye YiQiang, Lai KaiPing, Guosong Sun, Ning Hong

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Abstract

[Objective]The aim of the present study was to determine the efficiency of 73% mixed MCPA-Na,ametryn and diuron WP on controlling weeds in sugarcane field.[Method]Different herbicides(56% MCPA-Na SP 840 a.i.g/ha,80% ametryn WP 1440 a.i.g/ha,80% diuron WP 1440 a.i.g/ha) and their different concentrations(876,1314,1752 and 2628 a.i.g/ha) were used to control weeds in the sugarcane fields,with water as the control.The controlling effects were investigated after 20 and 40 d of spraying.[Result]The controlling effects of 73% MCPA-Na,ametryn and diuron WP on plant and fresh weight were higher than 90.00% after 20 and 40 d of spraying.The weedicide application @ 876-2628a.i.g/ha resulted in control of most of the monocotyledonous and dicotyledonous weeds in sugarcane field,and showed better controlling effects compared to spraying single dose of 56% MCPA-Na SP,80% ametryn WP and 80% diuron WP.[Conclusion]73% mixed MCPA-Na,ametryn and diuron WP @ 1314-1752 a.i.g/ha may be recommended to control weeds in sugarcane field.

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What this paper is about

[Objective]The aim of the present study was to determine the efficiency of 73% mixed MCPA-Na,ametryn and diuron WP on controlling weeds in sugarcane field.[Method]Different herbicides(56% MCPA-Na SP 840 a.i.g/ha,80% ametryn WP 1440 a.i.g/ha,80% diuron WP 1440 a.i.g/ha) and their different concentrations(876,1314,1752 and 2628 a.i.g/ha) were used to control weeds in the sugarcane fields,with water as the control.The controlling effects were investigated after 20 and 40 d of spraying.[Result]The controlling effects of 73% MCPA-Na,ametryn and diuron WP on plant and fresh weight were higher than 90.00% after 20 and 40 d of spraying.The weedicide application @ 876-2628a.i.g/ha resulted in control of most of the monocotyledonous and dicotyledonous weeds in sugarcane field,and showed better controlling effects compared to spraying single dose of 56% MCPA-Na SP,80% ametryn WP and 80% diuron WP.[Conclusion]73% mixed MCPA-Na,ametryn and diuron WP @ 1314-1752 a.i.g/ha may be recommended to control weeds in sugarcane field.

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Available abstract

[Objective]The aim of the present study was to determine the efficiency of 73% mixed MCPA-Na,ametryn and diuron WP on controlling weeds in sugarcane field.[Method]Different herbicides(56% MCPA-Na SP 840 a.i.g/ha,80% ametryn WP 1440 a.i.g/ha,80% diuron WP 1440 a.i.g/ha) and their different concentrations(876,1314,1752 and 2628 a.i.g/ha) were used to control weeds in the sugarcane fields,with water as the control.The controlling effects were investigated after 20 and 40 d of spraying.[Result]The controlling effects of 73% MCPA-Na,ametryn and diuron WP on plant and fresh weight were higher than 90.00% after 20 and 40 d of spraying.The weedicide application @ 876-2628a.i.g/ha resulted in control of most of the monocotyledonous and dicotyledonous weeds in sugarcane field,and showed better controlling effects compared to spraying single dose of 56% MCPA-Na SP,80% ametryn WP and 80% diuron WP.[Conclusion]73% mixed MCPA-Na,ametryn and diuron WP @ 1314-1752 a.i.g/ha may be recommended to control weeds in sugarcane field.

Key concepts: MCPA, Agronomy, Chemistry, Weed control, Field experiment, Horticulture, Biology

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Effects of 73% mixed MCPA-Na,ametryn and diuron WP on controlling weeds in sugarcane field — Research Paper | ScholarLens