What is the disease of black spots on apricot fruits during the swelling period and how to prevent them?

It may be apricot scab, also known as black spot disease. The pathogen has a strong parasitic ability and can directly invade the fruit peel, as well as new shoots and leaves. The prevention and control measures are as follows:1. Pesticide prevention and control: The pesticides that can be used are: 40% Fuxing emulsifiable concentrate 8000 times liquid; 10% Shigao Water Dispersion 5000 times liquid; 40% imidazole wettable powder 8000 times liquid; 62.5% Xiansheng wettable powder 600 times liquid. Spray once in early May.In addition, 80% Dasheng 600 times, Daisen Manganese Zinc 500 times, 70% thiophanate methyl 1000 times, and 50% carbendazim 500 times can also be used to prevent scab. Generally, the first spraying is done from 7-10 days after the flower falls during the young fruit stage, once every 15 days, and continues until 15 days before fruit picking.2. Agricultural prevention and control: Avoid building gardens in low-lying and waterlogged areas, and do not plant them too densely. Moderate pruning to prevent dense orchards. During winter pruning, carefully remove diseased branches and concentrate on burning them in a timely manner.