水稻核不育系4个柱头性状的遗传分析

doi:10.11983/CBB20200

植物学报 ›› 2021, Vol. 56 ›› Issue (3): 284-295.DOI: 10.11983/CBB20200

水稻核不育系4个柱头性状的遗传分析

江建华¹, 党小景¹, 姚文豪², 胡梦竹², 王雨停², 胡长敏¹, 张瑛¹, 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, 合肥 230031
²安徽科技学院, 凤阳 233100

收稿日期:2020-12-09 接受日期:2021-03-01 出版日期:2021-05-01 发布日期:2021-04-30
通讯作者: 王德正
作者简介:^*E-mail: wdzhengqin@163.com
第一联系人：
† 共同第一作者
基金资助:
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No(31601374)

Genetic Analysis of Four Stigma Traits with Genic Male Sterile Line in Rice (Oryza sativa)

Jianhua Jiang¹, Xiaojing Dang¹, Wenhao Yao², Mengzhu Hu², Yuting Wang², Changmin Hu¹, Ying Zhang¹, Dezheng Wang¹^,^*()

¹Rice Genetic Breeding Key Laboratory of Anhui Province, Institute of Rice Research, Anhui Academy of Agricultural Sciences, Hefei 230031, China
²Anhui Science and Technology University, Fengyang 233100, China

Received:2020-12-09 Accepted:2021-03-01 Online:2021-05-01 Published:2021-04-30
Contact: Dezheng Wang
About author:First author contact:
† These authors contributed equally to this paper

摘要/Abstract

摘要： 为改良水稻(Oryza sativa)核不育系柱头性状提供遗传信息, 调查了粳型核不育系7001S、籼型核不育系Z913S及其杂交、自交获得的F₁、F₂和F_2:3群体的4个柱头性状, 分析了4个性状间的相关性, 并利用主基因+多基因遗传模型对2个世代4个性状进行遗传分析。结果表明, 4个性状两两间呈极显著正相关, 相关系数介于0.274-0.897之间。除F_2:3群体中花柱长度和柱头外露率分别表现出受2对加性-显性主基因和1对负等效加性-显性主基因+多基因控制外, F₂和F_2:3群体的柱头长度、花柱长度、柱头-花柱总长度以及柱头外露率均表现出受2对主基因和多基因控制, 且F_2:3群体中控制花柱长度的主基因表现出加性-显性效应, 其余均表现出加性-显性-上位性效应。2个世代中4个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: To provide genetic information suitable for improving stigma-related traits of genic male sterile lines in rice. We investigated four stigma-related traits of 7001S (japonica genic male sterile line, P₁), Z913S (indica genic male sterile line, P₂), F₁ (P₁×P₂), F₂ and F_2:3. Coefficients of linear correlation among four stigma-related traits were calculated, and genetic patterns were analyzed using mixed major-gene plus polygene inheritance models. We found an extremely significant linear positive correlation among four stigma traits, and the correlation coefficients were between 0.274 and 0.897. Genetic analysis revealed that, style length (SYL) and percentage of exserted stigma (PES) were controlled by two major genes with additive-dominant effects and one major gene with additive-equal-negative-dominant effects plus polygenes in F_2:3, respectively. Stigma length (STL), SYL (except F_2:3), the sum of stigma and style length (TSSL), and PES (except F_2:3) were controlled by two major genes plus polygenes in F₂and F_2:3. The two major genes expressed additive-dominant-epistatic effects but expressed additive-dominant effects of SYL in the F_2:3 populations. Four stigma traits were mainly governed by major genes in two generations.

Key words: rice, genic male sterile line, stigma trait, major gene plus polygene model, genetic analysis

江建华, 党小景, 姚文豪, 胡梦竹, 王雨停, 胡长敏, 张瑛, 王德正. 水稻核不育系4个柱头性状的遗传分析. 植物学报, 2021, 56(3): 284-295.

Jianhua Jiang, Xiaojing Dang, Wenhao Yao, Mengzhu Hu, Yuting Wang, Changmin Hu, Ying Zhang, Dezheng Wang. Genetic Analysis of Four Stigma Traits with Genic Male Sterile Line in Rice (Oryza sativa). Chinese Bulletin of Botany, 2021, 56(3): 284-295.

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Traits	Stigma length	Style length	The sum of stigma and style length	Percentage of exserted stigma
Stigma length	-	0.432**	0.897**	0.298**
Style length	0.526**	-	0.847**	0.320**
The sum of stigma and style length	0.792**	0.893**	-	0.365**
Percentage of exserted stigma	0.386**	0.274**	0.383**	-

Traits	Stigma length	Style length	The sum of stigma and style length	Percentage of exserted stigma
Stigma length	-	0.432**	0.897**	0.298**
Style length	0.526**	-	0.847**	0.320**
The sum of stigma and style length	0.792**	0.893**	-	0.365**
Percentage of exserted stigma	0.386**	0.274**	0.383**	-

Trait	Environment	Parent		F₁	F₂/F_2:3population
Trait	Environment	7001S	Z913S	F₁	Range	Means±standar-d deviation	Coefficient of variation (%)	Heritability (%)	Skewness	Kurtosis
Stigma length	E1	0.915	1.571**	1.237	0.782-1.666	1.145±0.143	12.48	82.85	0.54	0.88
Stigma length	E2	0.915	1.511**	1.204	0.690-1.560	1.122±0.148	13.24	82.37	0.11	0.23
Style length	E1	0.721	0.931**	0.852	0.468-1.160	0.782±0.119	15.20	84.38	0.69	0.36
Style length	E2	0.600	0.924**	0.790	0.394-1.283	0.786±0.201	15.62	82.66	0.11	-0.86
The sum of stigma and style length	E1	1.636	2.502**	2.089	1.406-2.617	1.927±0.229	11.88	91.73	0.63	0.30
The sum of stigma and style length	E2	1.521	2.434**	1.994	1.218-2.618	1.907±0.297	15.58	92.54	0.14	-0.50
Percentage of exserted stigma	E1	14.82	51.00**	37.88	3.24-78.52	30.64±15.22	49.68	86.80	0.76	0.47
Percentage of exserted stigma	E2	22.83	50.37**	38.21	2.33-80.79	40.44±18.01	44.53	90.63	0.10	-0.76

Trait	Environment	Parent		F₁	F₂/F_2:3population
Trait	Environment	7001S	Z913S	F₁	Range	Means±standar-d deviation	Coefficient of variation (%)	Heritability (%)	Skewness	Kurtosis
Stigma length	E1	0.915	1.571**	1.237	0.782-1.666	1.145±0.143	12.48	82.85	0.54	0.88
Stigma length	E2	0.915	1.511**	1.204	0.690-1.560	1.122±0.148	13.24	82.37	0.11	0.23
Style length	E1	0.721	0.931**	0.852	0.468-1.160	0.782±0.119	15.20	84.38	0.69	0.36
Style length	E2	0.600	0.924**	0.790	0.394-1.283	0.786±0.201	15.62	82.66	0.11	-0.86
The sum of stigma and style length	E1	1.636	2.502**	2.089	1.406-2.617	1.927±0.229	11.88	91.73	0.63	0.30
The sum of stigma and style length	E2	1.521	2.434**	1.994	1.218-2.618	1.907±0.297	15.58	92.54	0.14	-0.50
Percentage of exserted stigma	E1	14.82	51.00**	37.88	3.24-78.52	30.64±15.22	49.68	86.80	0.76	0.47
Percentage of exserted stigma	E2	22.83	50.37**	38.21	2.33-80.79	40.44±18.01	44.53	90.63	0.10	-0.76

Traits	Source of variation	Degrees of freedom	Sum of squares	Mean square	F value	F_0.05	F_0.01
Stigma length	Genotypes	2	6.34	3.17	876.00**	3.10	4.85
	Environments	1	0.02	0.02	6.83*	3.95	6.93
	Genotype × Environment	2	0.01	0.01	1.51	3.10	4.85
Style length	Genotypes	2	1.10	0.55	86.84**	3.10	4.85
	Environments	1	0.08	0.08	12.93**	3.95	6.93
	Genotype × Environment	2	0.04	0.02	3.19	3.10	4.85
The sum of stigma and style length	Genotypes	2	12.67	6.33	1174.95**	3.10	4.85
	Environments	1	0.20	0.20	36.45**	3.95	6.93
	Genotype × Environment	2	0.01	0.00	0.86	3.10	4.85
Percentage of exserted stigma	Genotypes	2	16677.93	8338.96	278.09**	3.10	4.85
	Environments	1	136.20	136.20	4.54*	3.95	6.93
	Genotype × Environment	2	327.42	163.71	5.46**	3.10	4.85

水稻核不育系4个柱头性状的遗传分析

Genetic Analysis of Four Stigma Traits with Genic Male Sterile Line in Rice (Oryza sativa)

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Trait	Environment	Candidate model	MLV value	AIC value	Test of goodness-of-fit^a
Stigma length	E1	PG-ADI	246.62	-481.23	0/0/0/0/0
		MX1-AD-ADI	251.95	-487.89	0/0/0/0/0
		MX2-ADI-ADI	257.05	-490.09	0/0/0/0/0
		MX2-ADI-AD	256.33	-494.66	0/0/0/0/0
	E2	PG-ADI	210.90	-409.81	0/0/0/1/0
		MX1-AD-ADI	210.90	-407.80	0/0/0/1/0
		MX2-ADI-AD	211.65	-397.30	0/0/0/0/0
		MX2-AD-AD	207.63	-397.25	0/0/0/0/0
Style length	E1	MX2-ADI-ADI	322.90	-621.79	0/0/2/0/0
		MX2-ADI-AD	322.69	-627.37	0/0/2/0/0
		MX2-AD-AD	316.56	-623.12	0/1/1/1/0
		MX2-EEAD-AD	313.03	-622.05	0/1/1/1/0
	E2	1MG-A	107.98	-211.96	1/1/0/1/0
		2MG-AD	111.92	-211.84	0/0/0/0/0
		2MG-A	111.21	-214.41	0/0/0/0/0
		MX1-A-AD	112.06	-214.11	0/0/0/0/0
The sum of stigma and style length	E1	2MG-ADI	90.19	-158.38	0/0/0/1/0
		MX1-AD-ADI	92.18	-168.37	0/0/0/1/0
		MX2-ADI-ADI	97.25	-170.51	0/0/0/1/0
		MX2-ADI-AD	95.63	-173.27	0/0/0/1/0
	E2	2MG-EEAD	-12.03	32.05	0/0/1/0/0
		MX1-A-AD	-11.29	32.59	1/1/1/1/0
		MX2-AD-AD	-2.11	22.23	0/0/0/0/0
		MX2-EEAD-AD	-7.10	26.19	0/0/0/0/0
Percentage of exserted stigma	E1	MX2-ADI-ADI	-1538.19	3100.38	0/0/2/0/0
		MX2-ADI-AD	-1538.18	3094.36	0/0/2/0/0
		MX2-AD-AD	-1540.16	3090.32	0/0/2/0/0
		MX2-EEAD-AD	-1545.89	3095.79	0/0/1/0/0
	E2	2MG-AD	-1425.36	2862.71	0/0/2/0/0
		2MG-A	-1426.26	2860.51	0/0/2/1/0
		MX1-AD-AD	-1423.53	2861.07	0/0/2/0/0
		MX1-AEND-AD	-1425.67	2861.34	0/0/2/0/0

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Genetic parameter	Trait
	Stigma length		Style length		The sum of stigma and style length		Percentage of exserted stigma
	E1	E2	E1	E2	E1	E2	E1	E2
	MX2-ADI- AD	MX2-ADI- AD	MX2-ADI- AD	2MG-AD	MX2-ADI- AD	MX2-EEAD-AD	MX2-EEAD-AD	MX1-AEND-AD
Univalent parameter
d_a(d)	0.06	0.002	0.11	0.05	0.14	-0.26	-10.61	-17.87
d_b	0.06	0.001	0.03	-0.20	0.02	-	-	-
h_a(h)	-0.12	-0.05	-0.12	0.04	-0.29	-	-	-
h_b	-0.10	-0.05	-0.06	-0.005	-0.21	-	-	-
i	0.12	0.02	0.05	-	0.17	-	-	-
j_ab	0.09	0.002	0.02	-	0.10	-	-	-
j_ba	-0.06	0.001	-0.02	-	-0.01	-	-	-
l	0.13	0.36	0.08	-	0.24	-	-	-
[d]	-0.45	-0.30	-0.24	-	-0.59	0.06	3.01	-10.51
[h]	0.20	-0.24	0.17	-	0.45	0.54	24.67	0.14
Bivalent parameter
σ²_p	0.020	0.022	0.014	0.040	0.053	0.089	232.04	325.28
σ²_mg	0.013	0.014	0.010	0.033	0.039	0.082	155.72	216.11
σ²_pg	0.005	0.005	-	-	0.010	-	40.91	80.75
h²_mg(%)	65.00	63.64	71.43	82.50	73.58	92.13	67.11	66.44
h²_pg(%)	25.00	22.73	-	-	18.87	-	17.63	24.82

Genetic parameter	Trait
	Stigma length		Style length		The sum of stigma and style length		Percentage of exserted stigma
	E1	E2	E1	E2	E1	E2	E1	E2
	MX2-ADI- AD	MX2-ADI- AD	MX2-ADI- AD	2MG-AD	MX2-ADI- AD	MX2-EEAD-AD	MX2-EEAD-AD	MX1-AEND-AD
Univalent parameter
d_a(d)	0.06	0.002	0.11	0.05	0.14	-0.26	-10.61	-17.87
d_b	0.06	0.001	0.03	-0.20	0.02	-	-	-
h_a(h)	-0.12	-0.05	-0.12	0.04	-0.29	-	-	-
h_b	-0.10	-0.05	-0.06	-0.005	-0.21	-	-	-
i	0.12	0.02	0.05	-	0.17	-	-	-
j_ab	0.09	0.002	0.02	-	0.10	-	-	-
j_ba	-0.06	0.001	-0.02	-	-0.01	-	-	-
l	0.13	0.36	0.08	-	0.24	-	-	-
[d]	-0.45	-0.30	-0.24	-	-0.59	0.06	3.01	-10.51
[h]	0.20	-0.24	0.17	-	0.45	0.54	24.67	0.14
Bivalent parameter
σ²_p	0.020	0.022	0.014	0.040	0.053	0.089	232.04	325.28
σ²_mg	0.013	0.014	0.010	0.033	0.039	0.082	155.72	216.11
σ²_pg	0.005	0.005	-	-	0.010	-	40.91	80.75
h²_mg(%)	65.00	63.64	71.43	82.50	73.58	92.13	67.11	66.44
h²_pg(%)	25.00	22.73	-	-	18.87	-	17.63	24.82