基于表型与遗传分化的羊草在中国草原扩散途径的探讨

杨允菲,辛晓平,李建东

A Discussion on the Diffusion Pathway of Leymus Chinensis in the Natural Grassland of China Based on Differentiation in the Phenotypes and Genotypes

YANG YunFei,XIN XiaoPing,LI JianDong

表1 同质园条件下不同地区种源羊草种群穗型比率的年际变化（根据文献[17]整理）

Table 1 Inter-annual variation on the ratios of different ear types in Leymus chinensis populations from different regions under homogenous garden conditions (according to ref. [17] )

种源地 Collected region 年份 Year 单生型 Single 对生型 twin 多生型 multiple 合计 Total 松嫩平原南部（长岭种马场） Southern Songnen plain (Changling stud farm) 1982 18.50 29.25 52.25 100 1983 53.75 42.50 8.75 100 1984 58.95 33.98 7.08 100 Mean±SD 43.73±22.01 35.24±6.71 22.69±25.61 100 松辽平原腹地（长春） Songliao plain interland (Changchun) 1982 9.75 24.75 65.50 100 1983 58.89 35.18 5.93 100 1984 50.25 36.00 13.75 100 Mean±SD 39.03±27.26 31.98±6.27 28.39±32.27 100 科尔沁南部（伊胡塔） Southern Kerqin(Ihuta) 1982 8.75 41.75 49.50 100 1983 27.00 26.00 47.00 100 1984 8.50 17.25 74.25 100 Mean±SD 14.75±10.61 28.3±12.41 56.92±15.06 100 科尔沁中部（高林屯种畜场） Central Kerqin (Gaolintun breeding farm) 1982 16.00 32.50 51.50 100 1983 35.25 52.75 12.00 100 1984 33.50 38.00 28.50 100 Mean±SD 28.25±10.64 41.08±10.47 30.67±19.84 100 科尔沁西部（嘎达苏种畜场） Western Kerqin (Gaddasu breeding farm) 1982 16.50 24.50 59.00 100 1983 74.00 22.75 3.25 100 1984 58.50 26.00 15.50 100 Mean±SD 49.67±29.75 24.42±1.63 25.92±29.30 100 呼伦贝尔（海拉尔） Hulunbeier(Hailar) 1982 18.75 18.75 62.50 100 1983 96.25 2.25 1.50 100 1984 82.25 16.50 1.25 100 Mean±SD 65.75±41.30 12.50±8.95 21.75±35.29 100