保护地韭菜灰霉病防治保护地栽培韭菜，因上市早，经济效益好，近几年发展很快。但“灰霉病”却给韭菜生产造成很大损失。灰霉病主要危害韭菜叶片，最初在叶面或叶背上生有白色至浅灰褐色斑点，病斑扩大后成圆形或椭圆形；后期病斑连成大片，使叶尖或半叶甚至全叶变白枯死... Protection leek Botrytis chinensis prevention and control of conservation cultivation, due to market early, good economic returns, the rapid development in recent years. However, “Botrytis cinerea” has caused a great loss of chives production. Botrytis cinerea mainly endangered leek leaves, initially with white to light grayish brown spots on the foliage or back of the leaves. The lesion enlarged into a round or oval shape. The whole leaf is white and dead ...