Fecha de publicación: 08/12/2020 Fuente: Wipo Tobacco Agriculture The invention discloses a method for preventing and treating flue-cured tobacco ash caused by corn pollen and a method for curing tobacco leaves after prevention and treatment. The method for preventing and treating flue-cured tobacco ash caused by corn pollen comprises the following steps: before corn pollen scatters and upper tobacco leaves are mature, spraying a protective agent to the upper tobacco leaves in adjacent tobacco plants of corn for prevention; identifying allergic injury symptoms of the tobacco plants which are prevented from being sprayed for 7-8 days; and spraying the protective agent to the upper tobacco leaves in the allergic injury tobacco plants for prevention and treatment according to the identification, wherein the protective agent comprises 0.5-1.5 parts of cellulase, 0.5-1.5 parts of pectinase, 1-3 parts of lysozyme and 200-300 parts of water. The method for curing tobacco leaves after prevention and treatment comprises the following steps: harvesting and charging, yellowing, fixing color and drying tendons. The pollen is inactivated and prevented in the early stage, the infected tobacco leaves are prevented and treated in the later stage, and then a targeted curing scheme is formulated, so that the problem of flue-cured tobacco ash caused by corn pollen can be relieved, the health degree of field tobacco leaves and the grade of cured tobacco leaves are effectively improved, and theoretical and technical support is provided for preventing and treating flue-cured tobacco ash caused by corn pollen.