日光温室越冬番茄生理病害的识别与防治
wf(2008)
Abstract
<正>1沤根1.1发病原因。主要在苗期发生,成株也有发生。发病时不长新根,根皮发锈腐烂,地上部萎蔫,苗易拔起,叶缘枯焦。主要原因是室温低、湿度大、光照不足,浇水过量,连续阴雨,通风不良,造成根压小,吸水力差。
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