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瓠瓜炭疽病(Bottle gourd anthracnose)主要危害瓠瓜、黄瓜、西瓜等葫芦科作物,是瓜类的常发的重要病害(彩图1)。叶、茎、果均可发病。发病症状幼苗染病:瓠瓜种子带菌,播种后遇有低温高湿的条件,子叶出土需较长时间,经常出现子叶刚刚出土尚未展开,子叶边缘或子叶上即产生稍凹陷的圆形或椭圆形黄褐色病斑,边缘明显,病部粗糙。湿度大时其上长出粉红色黏质物。
Bottle gourd anthracnose (gourd anthracnose), the main hazard cucurbits, cucumbers, watermelon and other Cucurbitaceae crops, is a common and important melon diseases (Figure 1). Leaves, stems, fruit can be disease. Morphological symptoms of seedling disease: gourd seed carrier, sowing after the conditions of low temperature and humidity, cotyledons unearthed for a long time, cotyledon often unearthed has not yet started, cotyledons or cotyledons that produce slightly concave round or oval Tan spots, obvious edges, rough part. When it is wet, it grows pink viscous material.