水稻核不育系柱头性状的主基因+多基因遗传分析

doi:10.3724/SP.J.1006.2021.02057

作物学报 ›› 2021, Vol. 47 ›› Issue (7): 1215-1227.doi: 10.3724/SP.J.1006.2021.02057

• 作物遗传育种·种质资源·分子遗传学 • 上一篇下一篇

水稻核不育系柱头性状的主基因+多基因遗传分析

江建华¹(), 张武汉², 党小景¹, 荣慧³, 叶琴³, 胡长敏¹, 张瑛¹, 何强²^,^*(), 王德正¹^,^*()

¹安徽省农业科学院水稻研究所 / 水稻遗传育种安徽省重点实验室, 安徽合肥230031
²杂交水稻国家重点实验室 / 湖南杂交水稻研究中心, 湖南长沙410125
³安徽科技学院, 安徽凤阳 233100

收稿日期:2020-08-18 接受日期:2020-12-01 出版日期:2021-07-12 网络出版日期:2020-12-31
通讯作者: 何强,王德正
作者简介:江建华, E-mail: peanutlabjjh@163.com, Tel: 0551-62160454
基金资助:
本研究由杂交水稻国家重点实验室(湖南杂交水稻研究中心)开放课题基金(2018KF01);水稻遗传育种安徽省重点实验室开放基金(SDKF-201904);国家自然科学基金项目资助(31601374)

Genetic analysis of stigma traits with genic male sterile line by mixture model of major gene plus polygene in rice (Oryza sativa L.)

JIANG Jian-Hua¹(), ZHANG Wu-Han², DANG Xiao-Jing¹, RONG Hui³, YE Qin³, HU Chang-Min¹, ZHANG Ying¹, HE Qiang²^,^*(), WANG De-Zheng¹^,^*()

¹Institute of Rice Research, Anhui Academy of Agricultural Sciences / Rice Genetic Breeding Key Laboratory of Anhui Province, Hefei 230031, Anhui, China
²State Key Laboratory of Hybrid Rice / Hunan Hybrid Rice Research Center, Changsha 410125, Hunan, China
³Anhui Science and Technology University, Fengyang 233100, Anhui, China

Received:2020-08-18 Accepted:2020-12-01 Published:2021-07-12 Published online:2020-12-31
Contact: HE Qiang,WANG De-Zheng
Supported by:
This study was supported by the Open Research Fund of National Key Laboratory of Hybrid Rice (Hunan Hybrid Rice Research Center)(2018KF01);the Program of Rice Genetic Breeding Key Laboratory of Anhui Province(SDKF-201904);the National Natural Science Foundation of China(31601374)

摘要/Abstract

摘要：

柱头性状是影响水稻不育系异交繁殖和杂交水稻制种产量的重要性状。为创制长柱头、高外露率的水稻温敏核不育系提供遗传信息, 调查了短柱头、低外露率的粳型光温敏核不育系7001S和长柱头、高外露率的温敏核不育系紫泰S及其杂交、自交获得的F₁、F₂群体(350个株系)和F_2:3群体(320个株系)的4个柱头性状, 分析了4个性状之间的相关性, 并运用主基因+多基因混合遗传模型, 对2个世代4个性状进行了遗传分析。结果表明, 4个柱头性状间均表现出极显著正相关, 相关系数介于0.262和0.895之间。柱头长度、花柱长度、柱头和花柱总长度(以下简称柱花总长度)均表现出受2对主效基因和微效基因共同控制, 除F₂群体中柱花总长度的2对主基因表现为等加性效应和等显性效应外, 其余均表现为加性-显性-上位性效应, 3个性状均表现出以主基因间的上位性效应为主; F₂群体柱头外露率受2对加性-显性-上位性主基因+多基因控制, 而F_2:3群体则表现为受1对加性-显性主基因+多基因控制, 以主基因间的加性效应为主。2个世代中的4个柱头性状均以主基因遗传为主。

关键词: 水稻, 核不育系, 柱头性状, 主基因+多基因模型, 遗传分析

Abstract:

Rice stigma traits are important traits that affects the yield of male sterile lines and hybrid rice seed production. To provide genetic information for the creation of thermo-sensitive genic male sterile lines with long stigmas and high exsertion rates in rice, we investigated the correlation among four stigma traits of 7001S (japonica photoperiod-thermo-sensitive genic male sterile line with short stigma length and low exsertion rate, P₁), Zitai S (indica thermo-sensitive genic male sterile line with long stigma length and high exsertion rate, P₂), and F₁, F₂ (350 lines), and F_2:3 (320 lines) from the cross P₁ × P₂. Coefficients of linear correlation in stigma traits were calculated, and genetic patterns were analyzed by mixed major-gene plus polygene inheritance models. The results showed that there were extremely significant linear positive correlations among four stigma traits. The correlation coefficients were between 0.262 and 0.895. Genetic analysis revealed that stigma length (STL), style length (SYL), the sum of stigma, and style length (TSSL) were controlled by two major genes plus polygenes. The two major genes expressed additive-dominant-epistatic effects, but they expressed equal additive effects and equal dominant effects of TSSL in F₂ population. The epistatic effect was dominant in STL, SYL, and TSSL in F₂ and F_2:3. Percentage of exserted stigma (PES) was controlled by two major genes plus polygenes with additive-dominant-epistatic effect in F₂. However, PES was controlled by one major gene with additive-dominant effect plus polygenes in F_2:3. The additive effect was dominant of PES in F₂ and F_2:3. Four stigma traits were mainly governed by major genes.

Key words: rice (Oryza sativa L.), genic male sterile line, stigma trait, major gene plus polygene model, genetic analysis

江建华, 张武汉, 党小景, 荣慧, 叶琴, 胡长敏, 张瑛, 何强, 王德正. 水稻核不育系柱头性状的主基因+多基因遗传分析[J]. 作物学报, 2021, 47(7): 1215-1227.

JIANG Jian-Hua, ZHANG Wu-Han, DANG Xiao-Jing, RONG Hui, YE Qin, HU Chang-Min, ZHANG Ying, HE Qiang, WANG De-Zheng. Genetic analysis of stigma traits with genic male sterile line by mixture model of major gene plus polygene in rice (Oryza sativa L.)[J]. Acta Agronomica Sinica, 2021, 47(7): 1215-1227.

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性状 Trait	环境 Environment	亲本Parent		F₁	F₂/F_2:3群体 F₂/F_2:3 population
性状 Trait	环境 Environment	7001S	紫泰S Zitai S	F₁	变幅 Range	均值 ± 标准差 Mean ± SD	变异系数CV (%)	遗传力 H² (%)	偏度值Skewness	峰度值 Kurtosis
柱头长度 STL	E1	0.867	1.808	1.438	0.993-2.079	1.468 ± 0.226	15.40	78.71	0.088	-0.467
柱头长度 STL	E2	0.915	1.737	1.303	0.752-1.880	1.180 ± 0.221	18.71	86.09	0.807	0.334
花柱长度 SYL	E1	0.780	1.134	0.825	0.441-1.402	0.793 ± 0.162	20.43	93.44	0.559	0.138
花柱长度 SYL	E2	0.721	1.207	0.953	0.554-1.399	0.862 ± 0.170	19.78	95.30	0.853	0.298
柱花总长度 TSSL	E1	1.648	2.941	2.263	1.524-3.116	2.261 ± 0.323	14.29	86.42	0.055	-0.269
柱花总长度 TSSL	E2	1.636	2.943	2.256	1.464-3.100	2.042 ± 0.337	16.49	96.72	0.202	0.169
柱头外露率 PES	E1	19.60	63.33	48.35	2.16-79.59	31.73 ± 17.43	54.94	80.23	0.547	-0.178
柱头外露率 PES	E2	14.82	58.09	43.32	2.83-74.34	35.85 ± 16.33	45.55	90.16	0.143	-0.792

性状 Trait	变异来源 Source of variation	自由度 DF	平方和 SS	均方 MS	F值 F-value	F_0.05	F_0.01
柱头长度 STL (mm)	基因型间Genotypes	2	12.44	6.22	833.66^**	3.10	4.85
柱头长度 STL (mm)	环境间Environments	1	0.07	0.07	8.98^**	3.95	6.93
	基因型×环境互作Genotype × Environment	2	0.14	0.07	9.22^**	3.10	4.85
花柱长度 SYL (mm)	基因型间Genotypes	2	2.92	1.46	727.96^**	3.10	4.85
花柱长度 SYL (mm)	环境间Environments	1	0.05	0.05	26.65^**	3.95	6.93
	基因型×环境互作Genotype × Environment	2	0.15	0.07	36.98^**	3.10	4.85
柱花总长度 TSSL (mm)	基因型间Genotypes	2	27.06	13.53	1512.51^**	3.10	4.85
柱花总长度 TSSL (mm)	环境间Environments	1	0	0	0.08	3.95	6.93
	基因型×环境互作Genotype × Environment	2	0	0	0.04	3.10	4.85
柱头外露率 PES (%)	基因型间Genotypes	2	19,545.70	9772.85	265.44^**	3.17	5.03
柱头外露率 PES (%)	环境间Environments	1	377.86	377.86	10.26^**	4.02	7.13
	基因型×环境互作Genotype × Environment	2	0.52	0.26	0.01	3.17	5.03

性状 Trait	环境 Env.	世代 Generation	备选模型 Candidate model	极大对数似然函数值 Max. log likelihood value	AIC值 AIC value	适合性检验^a Test of goodness-of-fit ^a
柱头长度 STL	E1	F₂	MX1-AD-ADI	69.20	-122.40	0/0/2/0/0
			MX2-ADI-ADI	72.90	-121.90	0/0/2/0/0
			MX2-ADI-AD	72.70	-127.50	0/0/2/0/0
			MX2-AD-AD	66.60	-123.20	0/1/1/1/1
	E2	F_2:3	PG-ADI	227.00	-442.00	0/0/1/1/0
			MX1-AD-ADI	236.50	-457.00	0/0/1/0/0
			MX2-ADI-ADI	238.60	-453.10	0/0/1/1/0
			MX2-ADI-AD	238.40	-458.80	0/0/1/0/0
花柱长度 SYL	E1	F₂	2MG-ADI	118.90	-217.80	1/1/1/2/0
			MX1-AD-ADI	118.40	-222.80	0/0/1/0/0
			MX2-ADI-AD	121.70	-217.40	0/0/1/0/0
			MX2-AD-AD	106.20	-194.40	3/2/2/3/0
	E2	F_2:3	2MG-ADI	220.90	-421.90	0/0/2/0/0
			2MG-AD	210.90	-409.80	2/2/2/2/0
			MX1-AD-ADI	220.80	-427.60	0/0/1/0/0
			MX2-ADI-AD	219.10	-412.20	0/0/0/0/0
柱花总长度 TSSL	E1	F₂	MX2-AD-AD	-60.20	130.39	0/0/1/0/0
			MX2-A-AD	-62.25	130.50	0/0/1/0/0
			MX2-EAED-AD	-64.11	132.22	0/0/1/0/0
			MX2-EEAD-AD	-65.47	134.94	0/0/1/0/0
	E2	F_2:3	2MG-ADI	18.46	-16.92	0/0/0/1/0
			MX1-AD-ADI	9.54	-5.08	0/0/0/0/0
			MX2-ADI-AD	5.01	15.98	0/0/0/0/0
			MX2-EAED-AD	-3.10	18.20	3/3/1/3/0
柱头外露率 PES	E1	F₂	2MG-ADI	-1627.49	3276.98	1/1/0/1/0
			MX1-AD-ADI	-1631.22	3278.44	0/0/0/0/0
			MX2-ADI-ADI	-1620.71	3265.42	0/0/0/0/0
			MX2-ADI-AD	-1619.79	3257.57	0/0/0/0/0
	E2	F_2:3	2MG-AD	-1482.84	2977.69	0/0/1/0/0
			MX1-AD-ADI	-1482.98	2979.95	0/0/1/0/0
			MX1-A-AD	-1483.46	2976.92	0/0/1/0/0
			MX1-EAD-AD	-1484.77	2979.55	0/0/1/0/0

遗传参数 Genetic parameter	柱头长度STL		花柱长度SYL		柱花总长度TSSL		柱头外露率PES
	E1	E2	E1	E2	E1	E2	E1	E2
	MX2-ADI- AD	MX2-ADI- AD	MX2-ADI- AD	MX2-ADI- AD	MX2-EEAD- AD	MX2-ADI- AD	MX2-ADI- ADI	MX1-AD- ADI
一阶参数Univalent parameter
d_a	0.18	0.06	0.12	0.05	-0.28	0.06	-22.32	15.99
d_b	0.05	0.01	-0.02	-0.01		-0.03	-7.61
h_a	0.13	0.11	-0.19	0.13		0.50	-2.71	-4.31
h_b	0.06	0.30	-0.12	0.12		0.19	-1.63
i	-0.05	0.13	0.12	0.05		-0.14	7.56
j_ab	0.17	0.18	0.02	0.07		-0.19	1.59
j_ba	-0.01	-0.03	0.08	0.25		0.32	-2.04
l	-0.25	0.22	0.15	0.28		1.44	-0.71
[d]	-0.70	-0.47	-0.28	-0.28	-0.06	-0.68
[h]	0.10	-0.53	0.15	-0.50	-0.08	-2.29
二阶参数Bivalent parameter
σ²_p	0.051	0.049	0.026	0.029	0.104	0.113	304.86	266.70
σ²_mg	0.040	0.045	0.020	0.030	0.080	0.110	271.96	189.71
σ²_pg	0.000	0.000	0.006	0.000	0.010	0.000	8.42	52.40
h²_mg (%)	81.81	92.86	71.64	93.00	76.02	97.09	89.21	71.13
h²_pg (%)	0.00	0.00	22.21	0.00	10.99	0.00	2.76	19.65

性状 Trait	柱头长度 STL	花柱长度 SYL	柱花总长度 TSSL	柱头外露率 PES
柱头长度 STL	—	0.472^**	0.885^**	0.281^**
花柱长度 SYL	0.369^**	—	0.760^**	0.306^**
柱花总长度 TSSL	0.895^**	0.816^**	—	0.339^**
柱头外露率 PES	0.352^**	0.262^**	0.377^**	—

水稻核不育系柱头性状的主基因+多基因遗传分析

Genetic analysis of stigma traits with genic male sterile line by mixture model of major gene plus polygene in rice (Oryza sativa L.)

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