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芹菜斑枯病又叫晚疫病、叶枯病,俗称“火龙病”,是大棚芹菜的重要病害,发生普遍而又严重。此病在贮运期间还能继续危害。一、症状芹菜斑枯病主要危害叶片,也能危害叶柄和茎。1、叶片受害最初产生淡褐色油渍状小斑点,后病斑常联合,边缘明显,中央呈黄白色或灰白色,边缘?
Celery blight also known as late blight, leaf blight, commonly known as “fire dragon” is an important disease greenhouse celery, the occurrence of widespread and serious. The disease during storage can continue to harm. First, the symptoms Celery leaf spot the main hazards leaves, but also can harm the petioles and stems. 1, the blade damage initially produced light brown stains like small spots, often combined after the lesion, the edge of the obvious, the central yellowish white or gray, the edge?