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Weeds are the principal limiting biological factor in national rice production, with losses that vary from region to region, depending on the cultivation system, predominant weed communities and weed control methods employed by the farmers. Therefore, the experiment was conducted in Bench Maji Zone at Guraferda Woreda, during the 2017 main cropping season to investigate the effect of Bispyribacsodium 10% SC, and 2, 4-D amine salt on weeds growth, yield components and yield of rice and to investigate the possibilities of supplementing low doses of herbicides with hand weeding for effective and cost effective weed management. There were 12 treatments comprising: Bispyribac-sodium 10% SC (20 g ha-1 ,25 g ha-1,30 g ha-1), 2, 4-D amine salt (0.75 L ha-1,1.0 L ha-1 , 1.25 L ha-1), Bispyribacsodium 10% SC 20 g + 2, 4-D amine salt 0.75 L ha-1, Bispyribac-sodium 10% SC 10 g + 2, 4-D amine salt 1.0 L ha-1, Bispyribac-sodium (20 g ha-1) + hand weeding and hoeing at 35DAE , 2, 4-D amine salt (0.75 L ha-1) + hand weeding and hoeing at 35DAE, Weed free and Weedy checks. The design of the experiment was RCBD with three replications. The majority of the weeds in the experimental fields were broadleaved, grassy and sedges.
Getachew Mekonnen. 2018. \u201cEffect of Post Emergence Herbicides and their Mixtures on Weed Dynamics, Yield Components and Yield of Rice (Oryza Sativa L.), at Guraferda Woreda , South Western Ethiopia\u201d. Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 18 (GJSFR Volume 18 Issue D6): .
Crossref Journal DOI 10.17406/GJSFR
Print ISSN 0975-5896
e-ISSN 2249-4626
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Total Score: 73
Country: Ethiopia
Subject: Global Journal of Science Frontier Research - D: Agriculture & Veterinary
Authors: Getachew Mekonnen, Mitiku Woldesenbet , Wubishet Alemu (PhD/Dr. count: 0)
View Count (all-time): 159
Total Views (Real + Logic): 2922
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Publish Date: 2018 09, Thu
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Weeds are the principal limiting biological factor in national rice production, with losses that vary from region to region, depending on the cultivation system, predominant weed communities and weed control methods employed by the farmers. Therefore, the experiment was conducted in Bench Maji Zone at Guraferda Woreda, during the 2017 main cropping season to investigate the effect of Bispyribacsodium 10% SC, and 2, 4-D amine salt on weeds growth, yield components and yield of rice and to investigate the possibilities of supplementing low doses of herbicides with hand weeding for effective and cost effective weed management. There were 12 treatments comprising: Bispyribac-sodium 10% SC (20 g ha-1 ,25 g ha-1,30 g ha-1), 2, 4-D amine salt (0.75 L ha-1,1.0 L ha-1 , 1.25 L ha-1), Bispyribacsodium 10% SC 20 g + 2, 4-D amine salt 0.75 L ha-1, Bispyribac-sodium 10% SC 10 g + 2, 4-D amine salt 1.0 L ha-1, Bispyribac-sodium (20 g ha-1) + hand weeding and hoeing at 35DAE , 2, 4-D amine salt (0.75 L ha-1) + hand weeding and hoeing at 35DAE, Weed free and Weedy checks. The design of the experiment was RCBD with three replications. The majority of the weeds in the experimental fields were broadleaved, grassy and sedges.
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