灰霉病是一类为害性很大的蔬菜病害。尽管这种病菌早在１８０１年即已定名，但在我国长期以来仅偶尔在窖藏蔬菜上见到。但是自１９８０年笔者报道了灰霉病在保护地番茄上发生以来，近二十多年发展很快，不仅对番茄的为害越来越重，而且，目前已成为番茄、黄瓜、茄子、西葫芦、 Botrytis is a very harmful vegetable disease. Although this bacterium was named as early as 1801, it has only been occasionally seen in cellar vegetables in our country for a long time. However, since 1980, when the author reported that Botrytis cinerea occurred on the tomato in the protected area, it has developed rapidly in recent twenty years. It not only harms the tomato more and more, but also has become the main source of tomato, cucumber, eggplant, zucchini,