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Comparative Responses of Cotton Yield to Preplant and at Plant Applications of 1,3-Dichloropropene

机译:1,3-二氯丙烯对棉花产量的影响

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Rich, J. R., and R. A. Kinloch. 2000. Comparative responses of cotton yield to preplant and at plant applications of 1,3-dichloropropene. Nematropica 30:223-229. Four field trials were conducted in northern Florida to determine the feasibility of at plant applications of 1,3-dichloropropene (1,3-D) on cotton compared to the currently recommended preplant applications for management of Rotylenchulus reniformis . The 1,3-D was injected 30-cm-deep into a sandy loam soil with a single in-row chisel at rates of 16, 32, and 48 kg a.i./ha 7 to 13 days preplant or at cotton planting. In the absence of damaging initial populations of plant-parasitic nematodes, phytotoxicity in the cotton was not observed in the at plant 1,3-D treatments, and they caused only small reductions in plant stand, plant height, or yield compared with the preplant 1,3-D treatments or untreated controls. In two tests where high initial populations of R . reniformis were present, postharvest nematode population densiti
机译:Rich,J。R.和R.A. Kinloch。 2000年。棉花产量对1,3-二氯丙烯在种植前和种植后的响应。 Nematropica 30:223-229。在佛罗里达州北部进行了四项田间试验,以确定与目前推荐的用于处理轮虫的预先种植相比,在棉花上施用1,3-二氯丙烯(1,3-D)的可行性。将1,3-D以30厘米深的深度注入带有单行凿子的砂壤土中,播种前或播种7到13天时分别以16、32和48 kg a.i./ha的速度注入。在没有破坏性的植物寄生线虫初始种群的情况下,在植物1,3-D处理中未观察到棉花的植物毒性,与预种植相比,它们仅导致植物株高,株高或产量的小幅下降。 1,3-D处理或未处理的对照。在两个测试中,R的初始种群较高。存在肾形目,收获后线虫种群密度

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