Blueberry gray mold prevention and control and postharvest storage fresh fruit preservation technology

The invention discloses a blueberry gray mold prevention and control and postharvest fresh fruit storage fresh-keeping technology, which comprises the following steps: carrying out primary treatment before picking on blueberries needing to be picked, namely spraying a compound pesticide; the blueberries needing to be picked are treated for the second time before picking, namely a plant growth regulator is sprayed; the mature blueberry fruits are picked; according to the method, the picked blueberry fruits are pretreated and then sub-packaged into storage boxes, compound pesticide spraying and plant growth regulator spraying are conducted on the blueberry fruits before the blueberry fruits are picked, the gray mold morbidity of the blueberry fruits can be reduced, and meanwhile gradient cooling treatment is conducted on the blueberry fruits after the blueberry fruits are picked, so that the gray mold morbidity of the blueberry fruits can be reduced; the blueberry fruits are subjected to cold damage, so that th