Peach fruit long black spot is what disease how to prevent and cure?

What disease is it that there are a large number of black spots on peaches? How to prevent and cure it? This is the main symptom of peach scab: peach scab mainly harms fruits and can also damage leaves and shoots. When the fruit occurs, it often produces dark brown round spots on the shoulder, which gradually expands to 2mm, and then shows black nevoid spots, and in severe cases, the disease spots aggregate into pieces. The spread of bacteria is generally limited to the epidermis. When the disease tissue necrosis, the fruit still continues to grow, disease spots often appear cracking, showing scab-like, serious resulting in fruit drop. Branch and shoot disease, disease spot dark green, bulge, often occur glue flow, the boundary of healthy tissue is obvious. The disease of the leaves begins at the back of the leaves, forming irregular polygonal gray-green disease spots, which dry up and fall off later, forming perforations and, in serious cases, causing defoliation. The disease of leaf vein showed dark brown striped disease spot. Prevention and control methods: 1, combined with pruning, carefully cut off the diseased branches, collect and burn them all, and reduce the source of the disease; 2, do a good job in ditching and drainage, reduce the humidity in the field, and take care of the tree in summer in time to make the canopy ventilated and transparent to reduce the disease. 3, chemical control, early spring sprouting, spraying Baume 5-degree stone sulfur mixture, 20 days after blossom to late June, every 10 to 15 days, the medicine can be used 50% carbendazim 800 times solution, or 72% methyl thiophanate 1000 times liquid, or 75% chlorothalonil 1000 times liquid, or 10% world high 3000 to 4000 times liquid, or 50% Fuxing 8000 times liquid. More peach tree planting techniques