论文部分内容阅读
番茄灰霉病是近年来保护地番茄新发生的一种重要病害。该病既是苗期的主要病害又是结果期的主要病害，有些保护地的病果率高达３０～４０％，造成很大损失。 一、症状 番茄灰霉病为害叶片、花器和果实，以为害番茄花器及果实为主。苗期发病多从幼苗子叶和下部真叶开始。子叶感?
Botrytis cinerea is one of the most important new diseases of tomato in protected areas in recent years. The disease is not only the main disease in the seedling stage but also the main disease in the fruiting period. In some protected areas, the disease rate is as high as 30% to 40%, causing great losses. First, the symptoms Botrytis cinerea damage leaves, flowers and fruits, tomatoes and flowers to dominate the fruit. Seedling incidence and more from the seedling leaves and leaves the beginning of true leaves. Cotyledons?