瘟病 一种传染性病害,贮藏中一旦条件适宜,就逐渐传染蔓延。病姜姜块灰暗无光泽,切开有黑心或黑形,颜色越深,病情越重。有时虽未发现黑心现象,但也应加强防治和管理。方法是:贮藏前,严格剔除病姜。种姜要选择健壮、色泽纯正、发姜力强、无病斑、无损伤、品种特性典型的整块生姜做种。采收后置于阳光下暴晒1～2天,杀死病菌和晒干表皮。让种姜多蒸发一些水分, A contagious disease of the blast, once stored in the right conditions, it gradually spread of infection. Ginger Jiang ginger gray dull, cut black or black shape, the deeper the color, the more serious the disease. Although sometimes not found black heart phenomenon, but should also strengthen prevention and management. Method is: before storage, strictly remove disease ginger. Kind of ginger to choose robust, pure color, hair strong Jiang, no disease spots, no damage, a variety of typical characteristics of the whole species of ginger to do. Harvest after exposure to the sun for 1 to 2 days to kill germs and dry the epidermis. Allow the kind of ginger to evaporate some water,