香水百合染色体变异定量分析

[目的]探讨香水百合染色体的变异程度，为引种驯化和杂交育种提供依据。[方法]用SAS软件统计，并进行巢式方差分析，对香水百合居群问、个体间、同源染色体闻的变异作出定量评估。[结果]在相对长度方面，香水百合12对染色体变异约有88．91％来源于居群内，约有11．09％来源于居群间；在臂比方面，香水百合12对染色体变异约有80．98％来源于居群内，约有19．02％来源于居群间；在染色体长度比、平均臂比、核型不对称系数和染色体组实际长度方面，香水百合染色体变异约有96．36％来源于居群内，约有3．64％来源于居群间。[结论]香水百合染色体变异居群内具明显的多态性，居群间具多型性，且染色体结构变异主要来源于居群内。

Quantitative Analysis of Chromosomal Variation of Lilium spp.

[Objective] The purpose was to discuss the chromosomal variation level of Lilium spp.and provide theoretical basis for breeding new species.[Method] Characters of deffient populations were counted by SAS software,then variance was studied by using Nested analysis.[Result] About 88.91% of 12 pair chromosomal variability in relative length existed within the populations.The rest reside among the populations.and that about 80.98% of 12 double chromosomal variability in arm ratio existed within the populations....