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鸭梨皮薄肉细,果汁丰富,在贮藏过程中极易出现黑心病、黑皮病等生理病害。鸭梨的黑心病有两种类型,一种是前期黑心病,多在冷库里发生,是由于降温太快引起的低温伤害,多发生在入库后的30—50天内,症状是果心发生不同程度的褐变,果肉仍为白色,果皮青绿或黄绿色;另一种是由于衰老而引起的,多在贮藏到第二年2—3月份发生,症状是果心变褐,果皮色泽暗淡,果肉组织松散。鸭梨贮藏的关键是在于控制其黑心病的发生。根据发病原因,鸭梨在适时采收及时入库后,库温应
Pear thin thin skin, rich fruit juice, prone to black heart disease during storage, black skin disease and other physiological diseases. Pear black heart disease there are two types, one is pre-black heart disease, mostly in cold storage occurs due to hypothermia caused by hypothermia, occurred more than 30-50 days after storage, the symptom is the occurrence of the heart Different degrees of browning, the pulp is still white, peel green or yellow-green; the other is due to aging caused, and more in the second year of storage until February-March, the symptoms are browning, dark skin color , Loose pulp tissue. The key to the storage of pear is to control the occurrence of black heart disease. According to the cause of the disease, pear in timely harvest after storage, the library temperature should be