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1978年冬,兰州郊区滩尖子、张苏滩及安宁堡等果窖贮藏的黄元帅苹果相继出现病变,症状是先从果实花萼部位或果心变褐,果肉呈水浸状,味极苦,尤以塑料袋小包装的果实最为严重。堆放的果实,中、下层部2月份也发现少量褐变。该现象为历年所罕见,因而造成严重损失。为探求病变的内在原因,为今后果实贮藏工作提供可靠的理论依据,我们对这一问题开展了调查研究。一、苹果果实成熟及贮藏过程中的生理变化
The winter of 1978, Lanzhou suburb beach top son, Zhang Su Tan and Fort Ning citrus Huang caves and other storage of apple lesions have emerged, the symptoms are from the fruit calyx or brown spots, fruit pulp was soaked, taste very bitter, In particular, the most serious plastic bags packed fruit. Stacked fruits, middle and lower parts of February also found a small amount of browning. This phenomenon is rare over the years, resulting in serious losses. In order to explore the underlying causes of the disease and provide a reliable theoretical basis for the future storage of fruits, we conducted a survey on this issue. First, the apple fruit ripening and physiological changes in the course of storage