]*>","")" /> Occurence Law and Research of Prevention and Cure of Ribesnigrum.L powdery Mildew in Xinjiang

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Occurence Law and Research of Prevention and Cure of Ribesnigrum.L powdery Mildew in Xinjiang

  • Received:2001-03-25 Revised:2001-03-25 Online:2001-03-25 Published:2001-03-25

新疆黑穗醋栗白粉病发生规律及防治研究

王继勋;陈锐;陈玉山;赵建民;贾菊生   

  1. 新疆农科院园艺所,;吉木萨尔县农业局,;新疆农业大学植保系,

摘要: 描述了新疆黑穗醋栗白粉病危害叶片、新梢、果实的主要症状。根据病原形态特点及寄主范围,明确本病病原菌为醋栗单丝壳菌[Sphaerotheca mors-uvae(Schw.)Berket curt]。该病在新疆天山北坡逆温带6月初发病,6月中旬至7月中下旬为盛发期,8月份以后逐渐衰退。适发温度15~25℃,高温高湿是本病流行的重要条件。防治研究表明,发病初期和以后每隔15~20 d连续喷洒2~3次粉锈宁800倍液或1 000倍液,有很好的预防和治疗效果。