Author(s): C.T. ABRAHAM, P.PRAMEELA AND M. PRIYA LAKSHMI

Abstract: An experiment was conducted to study the efficacy of the herbicide oxyjluorfen in transplanted rice. The treatments consisted of oxyfluorfen 23.5 EC in four rates of applications (JOOg, I 50g,200g and 250 g/ha-1), Butachlor 50 EC@1250 g/ha-1 hand weeding and an unweeded check. The study revealed that oxyjluorfen @I 50-200 g/ha-1 can effectively control weeds of rice such as grasses, sedges and broadleaved weeds if applied as pre emergence spray four days after transplanting of paddy. Even though some phyto toxicity effect was noticed in rice seedlings immediately after application of oxyjluorfen, the seedlings recovered and resulted in higher grain and straw yields on par with hand weeding.

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