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兼答山西读者曹和平1山定子山定子砧苗抗寒力极强,可耐-50℃低温,耐瘠薄,须根多,结果早,能丰产,比较适宜偏酸沙质壤土。但山定子砧苗不耐盐碱,易出现黄叶病;抗旱性差;不耐涝;嫁接口处易出现小脚病。另外山定子种子籽粒小,播种当年生长弱,嫁接率低,根系分布浅,结果后易衰老,抗腐
And answerer Shanxi readers Cao Heping 1 Mountain stator mountain anvil seedling extremely strong, resistant to -50 ℃ low temperature, barren, fibrous roots, the results of early, can yield, more appropriate partial acid sandy loam. However, the mountain statutory seedlings do not tolerate salt, prone to yellow leaf disease; poor drought resistance; not tolerant waterlogging; grafting prone to foot disease. In addition mountain seed small seeds, sowing year growth is weak, low rate of grafting, root distribution shallow, the result of aging, corrosion