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Persistence of Combination Product Ipconazole 25% + Metalaxyl 20% ME in Maize

机译:组合产品异丙康唑25%+甲霜灵20%ME在玉米中的持久性

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摘要

Persistence of ipconazole and metalaxyl is reported in the seedling, cob and mature grain of maize following seed treatment with their combination product. Ipconazole residues persisted till 2nd and 5th day in the seedling after emergence at recommended and double the recommended doses, respectively. The corresponding persistence of metalaxyl in the seedling was observed till 5th and 10th day after emergence. At harvest the residues of both the fungicides were below determination limit of 0.01 μg g~(-1) in cob, matured grain and soil at either dose of seed treatment. The dissipation of ipconazole and metalaxyl followed first order kinetics with half-life ranging from 1.43-3.14 and 1.28-2.32 days, respectively.
机译:据报道,用它们的组合产品进行种子处理后,玉米,幼苗和玉米芯中的ipconazole和甲霜灵具有持久性。依康唑残留量在出现后分别在推荐剂量和推荐剂量的两倍处持续到苗期第二天和第五天。在出苗后第5天和第10天观察到甲霜灵在幼苗中的持续存在。在收获时,两种剂量的种子处理后,玉米芯,成熟谷物和土壤中两种杀菌剂的残留量均低于0.01μgg(-1)的测定极限。 ipconazole和甲霜灵的耗散遵循一级动力学,其半衰期分别为1.43-3.14天和1.28-2.32天。

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