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作者对我国梨属植物中的6个野生种和5个栽培种的16个品种染色体数目进行了观察,发现杏叶梨和秋子梨中的‘安梨’品种为三倍体(2n=51),其余的种和品种,包括所采用的种间杂交后代的品种,都是二倍体(2n = 34)。
The authors observed the chromosome numbers of 16 cultivars from 6 wild species and 5 cultivars in Pyrus and found that triplicates (2n = 51) The rest of the breeds and varieties, including those used for interspecific hybridization, are diploid (2n = 34).