保护地番茄,在本地区大面积种植,根据作者几年调查,主要病虫害有:灰霉病、晚疫病、叶霉病、早疫病等。年年发生,危害严重,造成大量减产。为此,作者进行了多年观察,现将防治技术汇总如下。1　灰霉病要求低温高湿,疾病侵染早,从花期开始侵染,然后侵染柱头,再到果实上。菜农见到果 Protected tomato, planted in large areas in the region, according to the author several years of investigation, the main pests include: gray mold, late blight, leaf mold, early blight and so on. Occurred annually, serious harm, resulting in a large number of cut. To this end, the author for many years to observe the prevention and treatment of technology are summarized below. 1 Botrytis requires low temperature and high humidity, early infection of the disease, infection from the flowering stage, then infection of the stigma and then to the fruit. Vegetable farmers to see the fruit