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期 刊 ：植物保护学报 1995年

关键词：氟乐灵；棉花；苗期；病害；枯萎病；

Keywords:trifluralin, cotton seedling diseases, cotton Fusarium wilt,

摘 要 ：田间试验在棉花苗病和枯萎病常年发病田进行。以１７５ｍｌ４８％氟乐灵乳油／６６６．７ｍ＾２的剂量处理苗床地表土，播种棉籽后以含氟乐灵（１．０－１．５ｍｇ有效成分／ｋｇ土）的土壤覆盖。以清水处理为对照，。结果表明Ｌ氟乐灵处理组的出苗率高于对照，苗前残废对比照降低，５２．９１％－７９．８０％。处理组苗床期立枯病和侄蛱贩发病率及死苗率显著降低，分别下降３０％和４２％左右；棉苗枯萎病的发病率及病情指明显低于

Abstract:The effect of presowing treatment with herbicide trifluralin on cotton seedling diseases and Fusarium wilt was studied in the field naturally infected with the pathogens. Trifluralin was incorporated into soil of seedling bed at the rate of 2625ml 48% emu

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