甜荞株高和茎粗的遗传分析

李英双,胡丹,聂蛟,黄科慧,张玉珂,张园莉,佘恒志,方小梅,阮仁武,易泽林

Genetic Analysis of Plant Height and Stem Diameter in Common Buckwheat

Ying-Shuang LI,Dan HU,Jiao NIE,Ke-Hui HUANG,Yu-Ke ZHANG,Yuan-Li ZHANG,Heng-Zhi SHE,Xiao-Mei FANG,Ren-Wu RUAN,Ze-Lin YI

表4 正、反交组合株高与茎粗二阶遗传参数估计值

Table 4 Estimates of second order genetic parameters for plant height and stem diameter in reciprocal crosses

组合 Combination	遗传参数 Genetic parameter	B₁		B₂		F₂
组合 Combination	遗传参数 Genetic parameter	株高 Plant height	茎粗 Stem diameter	株高 Plant height	茎粗 Stem diameter	株高 Plant height	茎粗 Stem diameter
P₁ × P₂	σ_p²	104.83	0.82	79.15	0.76	113.91	1.16
	σ_mg²	47.94	0.31	50.25	0.33	85.76	0.74
	σ_pg²	28.74	0.09	0.75	0	0	0
	σ_e²	28.15	0.42	28.15	0.42	28.15	0.42
	h_mg² (%)	45.73	37.26	63.49	48.80	81.12	72.10
	h_pg² (%)	27.41	11.18	0.95	0	0	0
P₂ × P₁	σ_p²	35.55	0.63	43.58	0.56	64.19	0.68
	σ_mg²	14.76	0.42	26.76	0.26	47.37	0.47
	σ_pg²	3.98	0	0	0.08	0	0
	σ_e²	16.82	0.21	16.82	0.21	16.82	0.21
	h_mg² (%)	41.51	76.22	66.18	47.12	81.81	82.51
	h_pg² (%)	11.19	0	0	14.53	0	0