芦笋主要病害的发生与防治
Rural Science & Technology（2010）
Abstract
<正>芦笋系百合科多年生宿根性草本植物,为品味兼优的名贵蔬菜,有丰富的营养和较高的药用价值。一、茎枯病1.发病症状主要危害茎、枝,病斑呈纺锤形或线条状,初期在茎基部见水渍状斑,渐变为黄色小斑,后呈褐色,周缘水渍状。病斑扩
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