根据品种可以做适当调整，易开花 的果子蔓属（Guzmania）可以减量，不易开花的丽穗属（Vfiesea）、巢风梨属（Nidularium）可以 根据具体的催花效果增加处理次数和使用量。
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It is generally accepted that there are about 20 stock species in Pyrus,and thirteen species originating from China have been classified and extensively accepted by Chinese botanical taxonomists.
一般认为梨属植物的基本种有20个左右,被中国植物分类学家认可的原产中国大陆的梨属种(包括非基本种)有13个。
参考来源 - 基于多种DNA序列和cpSSR的梨属（Pyrus L.）植物分子系统关系研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
梨树一种蔷薇科的普遍种植的乔木(梨属西洋梨)，具有光质叶片，白色的伞状花簇，果实可食用。
A widely cultivated tree (Pyrus communis) in the rose family, having glossy leaves, white flowers grouped in a corymb, and edible fruit.
说明改良的CTAB法能成功用于梨属植物DNA 提取，建立的最佳反应体系可用于梨属植物RAPD扩增。
It explained that reformed CTAB method could extract the genomic DNA of Pyrus successfully, and the optimum RAPD reaction system could amplificate RAPD in Pyrus L…
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