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茄子黄萎病又称半边疯、凋萎病、黑心病,发病田一般减产20%~40%。茄子黄萎病是露地茄子的主要病害之一,为土传病害,在茄子生长前期一般不表现症状,多在坐住门茄后才开始表现症状,所以常常延误防治时机。1.发病症状植株半边下部叶片近叶柄的叶缘部及叶脉间发黄,渐渐发展为半边叶或整叶变黄,引起叶片扭曲。晴天高温,病株萎蔫,夜晚或阴雨天可恢复,病情急剧发展时,往往全
Eggplant Verticillium wilt, also known as half-mad, wilt disease, black heart disease, disease field generally cut 20% to 40%. Eggplant Verticillium wilt is one of the main diseases exposed to eggplant, soil-borne diseases, in the early growth of eggplant generally do not show symptoms, and more in the door to start after the onset of symptoms, so often delay the timing of prevention and treatment. 1. Morphological symptoms Lower leaves of the plant near the petiole leaf edge and veins yellow, and gradually develop into half-leaf or whole leaf yellow, causing leaf distortion. Sunny days, wilt diseased plants, night or rainy days can be restored, the rapid development of the disease, often all