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前言 梨的果实同其他植物的果实一样.在发生学上由叶片演变而来。果实上的果点由气孔演变而成。虽然表皮毛脱落.可能形成果点,但不是主要的。 果点的大小、多少直接影响到果实的外观及商品价值,它还是多种病菌侵入的通道。F.Kibcl曾指出“对果皮上的皮孔应引起特别的重视。”永
Introduction The fruit of a pear is the same as the fruits of other plants, evolving from the evolution of leaves. The fruit on the fruit from the stomata evolved. Although epidermal hairs fall off and may form fruit, it is not essential. The size of the fruit, how much directly affects the appearance of the fruit and the value of the commodity, it is also a variety of pathways of bacteria invade. F. Kibcl pointed out that “special attention should be given to lenticels on the pericarp.” Wing