为蔷薇科植物白梨、沙梨或秋子梨等的树枝。全年均可采，剪取枝条，切成小段，晒干
她抬起手从一根枝上摘下一只梨。
结果表明，梨属矮化砧木做中间砧，多数组合表现出树体干径细，高度低，发育枝短，但冠径较大。
The results showed that with pear genus dwarf stocks, the most combinations' trunk diameter is thinner, tree height is lower, growth shoots length is shorter, but crown diameter is bigger.
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