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山西是老槟沙果区,又是苹果新区,使用的砧木为山丁子、林檎、海红、伏果、奈子、河南海棠和八棱海棠,都是乔化砧,树体高大,占地多,结果迟,单位面积产量低,投资回收慢,果实品质和着色一般,且山丁子不抗旱,也不抗黄化。从国外引入的M系、MM系等矮化砧,因对大陆性气候和贫瘠而干旱的土壤适应性差,越冬抽梢严重,特别是M_9,在太原盆
Shanxi is the old Penang area, but also Apple New District, the use of the rootstocks Hill Dingzi, Linyi, red seaweed, fruit Naozi, Henan Begonia and Balenghaitan, are Qiaowen anvil, tree tall, covers an area of more , The result is late, the yield per unit area is low, the investment recovery is slow, the fruit quality and coloration are general, and the rhizome is not drought-resistant or anti-yellowing. Introduced from abroad, M series, MM series dwarfing anvil, due to the continental climate and poor and poor soil adaptability to poor, overwintering smoked serious, especially M_9, Taiyuan Basin