What medicine does citrus play in May?

In May, citrus is prone to some fungal diseases, such as brown spot and anthracnose. At this time, it is necessary to spray tebuconazole dry suspension for control. In order to better prevent the occurrence of canker, thiamethoxam, zinc thiazole and copper thiamethoxam can also be sprayed. At this time, it will begin to bear fruit. Before physiological fruit drop, brassinolide and gibberellin can be sprayed. , can reduce fruit drop.