怎样防治苹果苦痘病答河北读者何志坚苹果苦痘病，又称苦陷病，是苹果临近成熟期及贮藏初期发生的一种生理病害。初期病果较难识别。病果皮下果肉首先变褐，干缩成海绵状，逐渐在果面上出现圆形稍凹陷的变色斑，病斑多发生于果实萼端及胴部，病斑在红色品种上呈暗红色，在... How to prevent apple bitter pox A HeBeiJian readers in Hebei Province bitter pox disease, also known as suffering from disease, is a physiological disease occurs near the ripening stage and early storage of apples. Early disease is more difficult to identify. Fruit skin under the first brown pulp, dry shrink into a sponge, and gradually appear on the surface of the round depression slightly discolored spots, lesions occur in the calyx and the body of the fruit, the lesion was dark red on the red varieties ,in...