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瓜类枯萎病又叫瓜类萎蔫病。是由病菌侵染引起的一种瓜类常见病。近年来,由于瓜类面积的不断扩大,农民自己引种和不能进行合理的轮作倒茬,使该病久延不绝。轻则死苗2—3成,重则可全田覆灭,给瓜农造成巨大经济损失。因此,对瓜类枯萎病必须进行及时、科学的防治。症状及病原侵染途径:苗期发病,子叶变黄萎蔫,茎基部产生黄褐色凹陷病斑;成株发病,基部叶片首先萎垂,后逐渐向上发展,3—
Fusarium wilt, also known as melons wilt disease. Is caused by a pathogen infection of melons common disease. In recent years, due to the continuous expansion of the area of melons, the introduction of farmers themselves and the inability to carry out reasonable cropping and turning over causes the disease prolonged. From light to death seedlings 2-3 into, while the whole field can be annihilated, to bring enormous economic losses to farmers. Therefore, the fusarium wilt must be timely and scientific prevention and treatment. Symptoms and pathogen infection: seedling disease, cotyledons wilting yellow, brown stem brown spots on the base of the lesion; adult disease, the first base leaves withered, then gradually upward development of 3-