442份青稞种质资源农艺性状遗传多样性分析与优异种质筛选

周佳浩, 王燕, 杨明奇, 谢润东, 姚有华, 吴昆仑, 姚晓华

Genetic Diversity Analysis of Agronomic Traits and Screening of Elite Germplasm in 442 Highland Barley Germplasm Resources

Zhou Jiahao, Wang Yan, Yang Mingqi, Xie Rundong, Yao Youhua, Wu Kunlun, Yao Xiaohua

表2 青稞种质的农艺性状及遗传多样性指数

Table 2 Agronomic traits and genetic diversity index of highland barley germplasm

性状Trait 最大值Max. 最小值Min. 平均值Mean 标准差SD 变异系数CV (%) 遗传多样性指数H' 籽粒面积Grain area (mm2) 24.58 15.75 20.16 1.73 8.60 2.09 粒长Grain length (mm) 9.27 6.66 7.82 0.45 5.80 2.06 粒宽Grain width (mm) 4.03 3.02 3.49 0.19 5.45 2.10 籽粒直径Grain diameter (mm) 5.57 4.46 5.04 0.22 4.31 2.10 籽粒圆度Grain roundness 0.55 0.36 0.45 0.03 6.96 2.02 粒厚Grain thickness (mm) 3.26 2.34 2.81 0.17 5.88 2.07 千粒重1000-grain weight (g) 60.52 30.04 43.63 5.16 11.84 2.08 籽粒硬度Grain hardness (N) 273.71 96.75 162.25 28.40 17.51 2.04 株高Plant height (cm) 133.50 74.16 102.66 9.66 9.41 2.07 穗下节间长Internode length below ear (cm) 52.20 22.58 35.57 5.25 14.77 2.06 穗长Spike length (cm) 12.86 5.04 8.04 1.31 16.31 2.03 芒长Awn length (cm) 14.90 0.00 9.69 3.17 32.70 1.84