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Pendimethalin의 除草活性에 미치는 光, 有機燐系化合物 및 植物生長調節劑의 影響 Effect of Light, Organophosphorus Compounds and Plant Growth Regulators on Phytotoxicity of Pendimethalin

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한국잡초학회 한국잡초학회지 한국잡초학회지 제6권 제2호
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162 - 167 (6page)
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Pendimethalin의 除草活性에 미치는 光, 有機燐系化合物 및 植物生長調節劑의 影響
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    초록·키워드

    This experiment was conducted to determine the effect of light, organophosphorus compounds and plant growth regulators on phytotoxicity of pendimethalin (3,4-dimethyl-2,6-dinitro-N-1-ethyl propylamine) in rice (Oryza sativa L.). The phytotoxicity of pendimethalin on post-germination growth of rice was greatly reduced by light treatment. This effect resulted from photodecomposition of pendimethalin. Antidoting activity on phytotoxicity of pendimethalin varied with the kind of organophosphorus compounds used and the application time. The greatest antidoting effect was obtained from edifenphos (0-3thyl S,S-diphenylphosphorothioate). However, the effect was not observed when edifenphos was applied prior to pendimethalin. There was no antidoting effect of indole acetic acid (IAA), gibberellic acid (GA₃) and kinetin used alone, but combinations of 3 ppmw IAA + either 3 or 5 ppmw GA₃ and 1 ppmw kinetin + 10 ppmw GA₃ reduced the phytotoxicity of pendimethalin.

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      UCI(KEPA) : I410-ECN-0101-2014-520-002454846