几种蔬菜灰霉病的发生与防治＠臧少先几种蔬菜灰霉病的发生与防治臧少先蔬菜灰霉病在露地和保护地均有发生，而且以保护他（大棚和日光温室）发生更为严重。轻者减产３０％左右，重者可损失５０％以上，是目前蔬菜最常见的一种病害。一、黄瓜灰霉病１．症状识别：灰霉病主要危害... Occurrence and control of several vegetable gray mold disease Zang Shaoxiu Occurrence and control of several vegetable gray mold disease Zang Shaoxian vegetable gray mold occurred in the open field and protected areas, but also to protect him (greenhouses and greenhouse) more serious . The light output reduction of about 30%, heavy loss of more than 50%, is the most common vegetable diseases. First, cucumber gray mold 1. Symptom identification: Botrytis cinerea major harm ...