我国广大苹果、梨产区的产地贮藏的主要障碍之一是采后2个月中的高温影响,果品保鲜好的前提条件是在入贮初期的2个月内能处于较低的温度环境。用做果品贮藏降温冷源的自然低温,一般是指低于15℃,不致使果实发生冻害的自然低温,这个范围的温度是广泛存在的,如冬季低温,秋季和春 One of the main obstacles to the storage of apple and pear-producing areas in China is the high temperature in 2 months after harvesting. The prerequisite for fresh keeping of fruits is that it can be in a lower temperature environment within 2 months of the initial storage. The natural low temperature used to cool fruits for storage purposes generally refers to natural low temperatures below 15 ° C that will not cause frost damage to the fruits. This range of temperatures is widespread, such as low temperatures in winter, autumn and spring