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tian ying tao he ban chuan kong bing de fa sheng yu fang zhi
Author(s): 
Pages: 54-54
Year: Issue:  1
Journal: Deciduous Fruits

Keyword:  褐斑穿孔病甜樱桃发生与防治树体营养叶部病害二次开花叶片抗冻性;
Abstract: 甜樱桃褐斑穿孔病是甜樱桃普遍发生的叶部病害,有时也在嫩枝、果实上发生。叶片受害,单个叶片可有数个或十几个病斑和穿孔,有的连成片,常导致大量叶片提前脱落,不仅影响树体营养贮备,降低树体抗冻性,影响来年产量,而且经常造成树体二次开花、二次发芽,甚至引起死枝、死树,严重影响甜樱桃生产。
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