农业防治适当增施磷钾肥,提高植株抗病能力。推广滴灌、膜下暗灌技术,防止大水漫灌。发病初期及时摘除残留花瓣及柱头,清除病叶、病果,拔除病株,防止病害蔓延。 Appropriate increase in agricultural prevention and control of phosphorus and potassium fertilizer, improve plant disease resistance. Popularize drip irrigation, film under irrigation technology to prevent flood irrigation. Early removal of residual petals and stigma timely removal of diseased leaves, diseased, diseased plants, to prevent the spread of disease.