杜梨属于亚乔木,耐旱、耐瘠薄,根系能深入陡崖石缝中。耐碱、抗风、抗病虫。在最低温度达零下30℃的地方,无冻害,生长良好。它还具有较强的抗涝能力,在积水3～4个月的洼地中,未见其死亡。1979年秋和1980年春,省干旱地区造林所在干旱阳坡营造30亩杜梨林,成活率达到92.4％。经1980～1982年连续特大干旱后,其保存率仍在60％, Pyrus is Yaqiao wood, drought-tolerant, barren, roots can penetrate steep cliffs. Alkali, wind, pests and diseases. In the lowest temperature of minus 30 ℃ place, no frost damage, good growth. It also has a strong ability to resist waterlogging, in the water 3 to 4 months in the depression, no death was seen. Autumn 1979 and spring 1980, the arid area afforestation in the dry sunny slope to create 30 acres of Du Lilin, the survival rate of 92.4%. After 1980 ~ 1982 consecutive extraordinary drought, the preservation rate is still 60%