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諸商律,金光雄 COLLEGE OF AGRICULTURE KYUNGPOOK NATIONAL UNIVERSI 1984 慶北大農學誌 Vol.2 No.-
This experiment was conducted to evaluate the most effective herbicide to control weeds in rice seedbed. The major weeds occurred in the seedbed were Echinochloa crusgalli Beauv and Monochoria Vaginalis Presel as annual weeds and Cyperus serotinus Rottb as a perennial weed. The most effective herbicide treatments were the mixture of bentazon (3-isopropyl-1 H-2, 1, 3-benzothiadiazin-4-(3H)-one 2, 2-dioxide) at the rate of 0.4L, a,i./ha and 2, 4-D (2, 4-dichloropenoxy acetic acid) at the rate of 0.14L a.i./ ha showing 85 percent suppression and the bentazon at the rate of 0.8L a.i/ha applied 15days after sowing resulting in 73.9 percent inhibition.