随着温室大棚番茄种植面积的不断扩大,灰霉病已成为近几年来为害大棚番茄的主要病害之一。尤其是在低温、连续阴雨天气多发的年份为害极为严重。笔者在陕西美邦杨凌的生测蔬菜基地附近调研走访时发现,由于近日气候较为不稳定,且部分菜农技术较 With the continuous expansion of tomato planting area in greenhouse, gray mold has become one of the major diseases that damage tomato in greenhouse in recent years. Especially in the low temperature, continuous rainy weather prone years of extreme damage. When investigating and interviewing near the raw vegetable base of Yangling Smith Barney in Shaanxi Province, I found that due to the recent instability of climate and the fact that some vegetable farmers