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梨果贮藏期褐心病的致病原因及预防措施梨果在贮藏期间常常产生褐心病，其症状是果心变褐。早期褐心病多发生在果品入库后３０～３５天之间，其症状是果皮青黄，果心发生不同程度的褐变。后期褐心病多发生在果品入库第二年的２～３月份，其症状是色泽暗黄，细看有不同规则...
Pathogenesis and preventive measures of pear heart disease during storage period of pear fruit Pear often produce heart disease during storage, and the symptom is browning of the fruit heart. Occurrence of early brown heart disease in the storage of fruit between 30 to 35 days after the symptoms of the peel blue and yellow, fruit heart occurred varying degrees of browning. Late brownish disease occurred in the second year of storage of fruit 2 to 3 months, the symptoms are dark yellow, look at the different rules ...