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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Available nitrogen and arginine deaminase activity in groundnut (Arachis hypogaea L.) fields after imidacloprid, diazinon, and lindane treatments
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Available nitrogen and arginine deaminase activity in groundnut (Arachis hypogaea L.) fields after imidacloprid, diazinon, and lindane treatments

机译：吡虫啉，二嗪农和林丹处理后花生（Arachis hypogaea L.）田中的可用氮和精氨酸脱氨酶活性

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摘要

Plant available nitrogen and arginine deaminase activities were determined in insecticide-treated groundnut (Arachis hypogaea L.) fields between July and November for three consecutive years (1997-1999). Diazinon was applied for both seed and soil treatments. However, imidacloprid and lindane were used only for the seed treatments. An average half-life (t(1/2)) of diazinon in seed- and soil-treated fields was 29.32 and 34.87 days, respectively. Its residues were detected till 60 days in both seed- and soil-treated fields. Diazinon treatments had shown stimulatory effects on available nitrogen in both types of treatments. However, the increase in arginine deaminase activity was only observed in diazinon soil-treated field. Residues of imidacloprid and lindane were detected in seed-treated fields till 90 and 120 days with an average half-life (t(1/2)) of 40.96 and 53.39 days, respectively. Imidacloprid had stimulatory effects, and lindane had adverse effects on both available nitrogen and arginine deaminase activities.
机译：从7月到11月连续三年（1997-1999年）在杀虫剂处理过的花生（Arachis hypogaea L.）田间测定了植物中可用的氮和精氨酸脱氨酶活性。二嗪农可用于种子和土壤处理。但是，吡虫啉和林丹仅用于种子处理。在种子和土壤处理的田间，二嗪农的平均半衰期（t（1/2））分别为29.32天和34.87天。在种子和土壤处理过的田地中直到60天都检测到了其残留物。二嗪农处理在两种类型的处理中均显示出对可用氮的刺激作用。然而，仅在二嗪农土壤处理的田地中观察到精氨酸脱氨酶活性的增加。在种子处理过的田地中检测到吡虫啉和林丹的残留物直至90天和120天，平均半衰期（t（1/2））分别为40.96天和53.39天。吡虫啉具有刺激作用，林丹对有效氮和精氨酸脱氨酶活性均具有不利影响。

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