Abstract:

Grey mold caused by Botrytis spp., is the second most devastating disease causing huge economic loss in agricultural production worldwide, and it has become more severe along with the rapid expansion of protected cultivation recently. Due to the lack of commercially disease-resistant varieties, chemical control is the most effective emergency measurement against the disease. However, Botrytis spp. has high resistance to single-target fungicides, posing a severe threat to field prevention and control, especially in some areas where the multiple resistance has been selected, even resulting in a challenge to selecting effective fungicides. To provide integrative information of registered fungicides for scientific researchers and pesticide users, the products, formulae, dosages and efficacy of registered fungicides for the disease in China were summarized, and the application technologies and potential resistance risks were reviewed. For registered fungicides, the problems in the application were pointed out, and suggestions were put forward for fungicide development against the disease, including gradually elimination of old fungicides and old formulae, and enhancing the registration of new-target fungicides, as well as expanding the registration scale of fungicides for small-scale crops.

Key words: Grey Mold, Fungicide Registration, Resistance, Present Situation and Suggestions