99 Tartary BuckwheatVarieties: Evaluation of Main Agronomic Traits and Variety Screening

doi:10.11923/j.issn.2095-4050.cjas2022-0068

Abstract

Abstract:

To comprehensively evaluate the main agronomic traits of tartary buckwheat (Fagopyrum tataricum (L.) Gaertn.) and screen high-quality tartary buckwheat germplasms, 99 varieties of tartary buckwheat, including 51 foreign varieties and 48 domestic varieties, were used as materials in this study. 11 agronomic traits were analyzed by variation analysis, correlation analysis and comprehensive score F value. The results showed that the 11 agronomic traits had significant variation, with the coefficients of variation all greater than 0.1. Yield per plant, grain number per plant, thousand-grain weight and plant height were very significantly positively correlated to grain yield. The principal component analysis showed that the cumulative contribution of the first four principal components was 73.234% and the first principal component was mainly related to the grain number per plant and yield per plant with the highest eigenvector values. In cluster analysis, the 99 tartary buckwheat varieties were divided into six groups, of which 18 varieties of group IV had superior traits and could be utilized as core germplasm resource. Two key traits, grain number per plant and yield per plant, should be emphatically considered in the breeding of tartary buckwheat. 23 high-yielding and high-quality tartary buckwheat varieties were screened out by comprehensive cluster analysis and the comprehensive score F value, of which 12 were introduced varieties.

Key words: tartary buckwheat (Fagopyrum tataricum (L.) Gaertn.), agronomic traits, grain yield, comprehensive score F value

LIU Li, CHAI Min, HAN Wei, QIE Qiyang, FENG Xiaolong, NA Dongchen, ZHOU Yuancheng, CAO Yanling, WANG Yiling. 99 Tartary BuckwheatVarieties: Evaluation of Main Agronomic Traits and Variety Screening[J]. Journal of Agriculture, 2023, 13(7): 25-31.

Figures/Tables 7

References 26

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性状	变异范围	均值	标准差	变异系数
一级侧枝数/个	3~18	9.97	3.07	0.307
主茎节数/节	12~34	23.25	4.53	0.194
株高/cm	58.17~179.00	129.01	2.18	0.187
茎直径/mm	3.55~13.12	7.02	1.86	0.264
单株粒重/g	0.28~35.79	4.95	1.34	0.270
单株粒数/粒	2~189	29.45	1.80	0.400
千粒重/g	9.68~26.24	16.15	2.31	0.143
籽粒长度/mm	32.31~57.32	46.48	5.40	0.116
籽粒宽度/mm	24.67~58.77	31.24	4.00	0.127
籽粒长宽比	0.71~1.91	1.51	0.25	0.163
籽粒产量/(kg/hm²)	8.14~165.61	51.05	2.62	0.410

性状	变异范围	均值	标准差	变异系数
一级侧枝数/个	3~18	9.97	3.07	0.307
主茎节数/节	12~34	23.25	4.53	0.194
株高/cm	58.17~179.00	129.01	2.18	0.187
茎直径/mm	3.55~13.12	7.02	1.86	0.264
单株粒重/g	0.28~35.79	4.95	1.34	0.270
单株粒数/粒	2~189	29.45	1.80	0.400
千粒重/g	9.68~26.24	16.15	2.31	0.143
籽粒长度/mm	32.31~57.32	46.48	5.40	0.116
籽粒宽度/mm	24.67~58.77	31.24	4.00	0.127
籽粒长宽比	0.71~1.91	1.51	0.25	0.163
籽粒产量/(kg/hm²)	8.14~165.61	51.05	2.62	0.410

性状	一级侧枝数	主茎节数	株高	茎直径	单株粒重	单株粒数	千粒重	籽粒长度	籽粒宽度	籽粒长宽比	籽粒产量
一级侧枝数	1.000	0.531^**	0.210^*	0.333^**	0.366^**	0.389^**	-0.056	0.135	0.091	0.049	0.018
主茎节数	0.532^**	1.000	0.384^**	0.421^**	0.236^*	0.288^**	-0.230^*	-0.205^*	0.051	-0.163	-0.027
株高	0.233^*	0.380^**	1.000	0.395^**	-0.059	-0.04	-0.077	-0.185	0.114	-0.178	0.429^**
茎直径	0.347^**	0.414^**	0.440^**	1.000	0.264^**	0.328^**	-0.228^*	-0.042	0.085	-0.111	0.265
单株粒重	0.312^**	0.181	0.087	0.346^**	1.000	0.975^**	-0.061	0.103	0.086	0.04	0.718^**
单株粒数	0.377^**	0.256^*	0.133	0.418^**	0.983^**	1.000	-0.218	0.036	0.099	0.06	0.613^**
千粒重	-0.02	-0.202^*	0.028	-0.106	0.178	0.041	1.000	0.33	0.189	0.032	0.522^**
籽粒长度	0.156	-0.187	-0.095	0.041	0.264^**	0.194	0.400^**	1.000	-0.17	0.782^**	0.213
籽粒宽度	0.088	0.050	0.102	0.071	0.026	0.059	0.161	-0.176	1.000	-0.712^**	-0.14
籽粒长宽比	0.069	-0.152	-0.109	-0.041	0.186	0.130	0.112	0.795^**	-0.702^**	1.000	0.202
籽粒产量	0.104	0.036	0.275^**	0.277^**	0.591^**	0.581^**	0.358^**	0.290^**	-0.040	0.228^*	1.000

性状	一级侧枝数	主茎节数	株高	茎直径	单株粒重	单株粒数	千粒重	籽粒长度	籽粒宽度	籽粒长宽比	籽粒产量
一级侧枝数	1.000	0.531^**	0.210^*	0.333^**	0.366^**	0.389^**	-0.056	0.135	0.091	0.049	0.018
主茎节数	0.532^**	1.000	0.384^**	0.421^**	0.236^*	0.288^**	-0.230^*	-0.205^*	0.051	-0.163	-0.027
株高	0.233^*	0.380^**	1.000	0.395^**	-0.059	-0.04	-0.077	-0.185	0.114	-0.178	0.429^**
茎直径	0.347^**	0.414^**	0.440^**	1.000	0.264^**	0.328^**	-0.228^*	-0.042	0.085	-0.111	0.265
单株粒重	0.312^**	0.181	0.087	0.346^**	1.000	0.975^**	-0.061	0.103	0.086	0.04	0.718^**
单株粒数	0.377^**	0.256^*	0.133	0.418^**	0.983^**	1.000	-0.218	0.036	0.099	0.06	0.613^**
千粒重	-0.02	-0.202^*	0.028	-0.106	0.178	0.041	1.000	0.33	0.189	0.032	0.522^**
籽粒长度	0.156	-0.187	-0.095	0.041	0.264^**	0.194	0.400^**	1.000	-0.17	0.782^**	0.213
籽粒宽度	0.088	0.050	0.102	0.071	0.026	0.059	0.161	-0.176	1.000	-0.712^**	-0.14
籽粒长宽比	0.069	-0.152	-0.109	-0.041	0.186	0.130	0.112	0.795^**	-0.702^**	1.000	0.202
籽粒产量	0.104	0.036	0.275^**	0.277^**	0.591^**	0.581^**	0.358^**	0.290^**	-0.040	0.228^*	1.000

性状	主成分(PC)
性状	PC1	PC2	PC3	PC4
一级侧枝数	0.172	0.092	0.280	0.131
主茎节数	0.131	0.213	0.341	0.112
株高	0.114	0.182	0.272	-0.145
茎直径	0.186	0.138	0.214	-0.095
单株粒重	0.271	-0.053	-0.259	0.077
单株粒数	0.272	-0.023	-0.256	-0.062
千粒重	0.008	-0.066	0.053	0.939
籽粒长度	0.121	-0.313	0.066	0.029
籽粒宽度	0.022	0.065	-0.326	0.174
籽粒长宽比	0.068	-0.376	0.251	-0.075
籽粒产量	0.234	-0.047	-0.181	-0.072
特征值	3.170	2.354	1.526	1.007
贡献率/%	28.816	21.397	13.869	9.153
累计贡献率/%	28.816	50.213	64.082	73.234