苹果苦痘病又称苦陷病,是苹果贮藏期间的一种缺钙生理病害。发病后,病部易被腐生菌侵染,使果实变色腐败,严重影响果品的质量。 该病主要发生于果实顶部靠近萼洼的部分,近果肩处较少发生。病部果皮下的果肉先发生病变,而后果皮出现以皮孔为中心的圆形斑点。这种斑点,在红色品种 Apple bitter pox disease, also known as biting disease, is a calcium deficiency during the storage of apple physiological diseases. After the onset, the disease susceptible to saprophytic infection, the color change of fruit corruption, seriously affecting the quality of fruit. The disease occurs mainly in the top part of the fruit near the calyx depression, near the fruit shoulder less. Psoriatic lesions under the skin of the first lesions, and then the skin appeared to lenticels as the center of the circular spots. This spot is on the red breed