Heredity analysis of leaf characters in Chrysanthemum morifolium

doi:10.16178/j.issn.0528-9017.20240770

Abstract

Abstract:

In order to analyze genetic and variation characteristics of leaf quantitative traits in Chrysanthemum morifolium, Jinba×Fucashi cross combination and F₁ offspring population were selected, 19 quantitative traits (eg. leaf length, leaf width) and 12 structural parameters of leaf were measured and statistically analyzed. The results showed that the leaf morphology was widely separated in the F₁ offspring population, with diverse changes in variation coefficient in 19 quantitative traits and 12 structural parameters of leaf. The variation coefficient of length of upper left lobe was the highest (37.72%), the variation coefficient of location of the widest part of the leaf/leaf length was the lowest (10.79%). The variation coefficient for the lobe length in the four orientations (upper left, lower left, upper right, and lower right) was greater than the variation coefficient for the corresponding lobe width and the leaf vein length, while the variation coefficient of lobe length/lobe width in four orientations (upper left, lower left, upper right, lower right) was greater than the variation coefficient of the corresponding lobe length/leaf vein length. The average values of leaf length/leaf width, apical lobe length/leaf length, apical lobe length/apical lobe width, and lobe length/lobe width in lower right in the F₁ offspring population showed a certain decreasing trend compared with the median of the parents. There was an extremely significant positive correlation between leaf length and the location of the widest part of the leaf (correlation coefficient was 0.815), and an extremely significant negative correlation between leaf length and petiole length/leaf length (correlation coefficient was -0.532). The results provided a theoretical basis for analysis of leaf genetic traits and breeding of new varieties of Chrysanthemum morifolium.

Key words: Chrysanthemum morifolium, leaf, quantitative trait, genetic diversity

CLC Number:

S682.11

YANG Xinyao, WEN Chao. Heredity analysis of leaf characters in Chrysanthemum morifolium[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(1): 99-104.

Figures/Tables 4

References 20

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指标	平均值	标准差	最大值	最小值	极差	变异系数/%	偏度	峰度
叶长/cm	7.45	1.19	9.93	4.10	5.83	16.01	-0.28	-0.29
叶宽/cm	5.82	1.00	8.69	3.58	5.11	17.24	0.20	-0.14
叶最宽处所在位置/cm	4.84	0.90	6.80	2.85	3.95	18.65	-0.07	-0.62
叶柄长/cm	2.58	0.53	4.24	1.31	2.93	20.64	0.32	0.09
顶裂片长/cm	2.53	0.67	4.70	0.83	3.87	26.48	0.24	0.37
左上裂片长/cm	1.20	0.45	2.62	0.28	2.34	37.72	0.50	0.02
左下裂片长/cm	1.68	0.57	3.21	0.25	2.96	33.94	0.06	-0.47
右上裂片长/cm	1.19	0.43	2.60	0.29	2.31	36.33	0.28	-0.14
右下裂片长/cm	1.59	0.55	3.19	0.24	2.95	34.91	0.18	-0.24
顶裂片宽/cm	2.06	0.43	3.44	1.03	2.41	20.72	0.46	0.64
左上裂片宽/cm	1.59	0.33	2.63	0.66	1.97	20.76	0.33	0.38
左下裂片宽/cm	1.87	0.48	3.82	0.40	3.42	25.58	0.44	1.49
右上裂片宽/cm	1.49	0.30	2.49	0.67	1.82	20.29	0.34	0.34
右下裂片宽/cm	1.72	0.48	4.01	0.69	3.32	27.81	0.75	1.93
左上叶脉长/cm	3.93	0.71	6.21	2.42	3.79	17.98	0.19	-0.05
左下叶脉长/cm	3.87	0.72	5.89	1.91	3.98	18.66	0.00	-0.30
右上叶脉长/cm	4.00	0.68	5.92	2.08	3.84	17.02	0.01	-0.14
右下叶脉长/cm	3.82	0.70	5.77	2.19	3.58	18.43	0.17	-0.32
锯齿数	36.49	8.66	69.00	14.00	55.00	23.72	0.34	0.78
叶长/叶宽	1.29	0.14	1.73	0.97	0.76	11.16	0.32	-0.12
叶最宽处所在位置/叶长	0.65	0.07	0.83	0.41	0.42	10.79	-0.45	0.66
顶裂片长/叶长	0.34	0.06	0.51	0.16	0.35	18.31	0.18	0.25
顶裂片长/顶裂片宽	1.26	0.38	2.77	0.47	2.30	29.78	1.16	2.30
左上裂片长/左上裂片宽	0.75	0.25	1.96	0.28	1.68	32.78	1.13	2.67
左下裂片长/左下裂片宽	0.92	0.32	2.67	0.30	2.37	35.22	1.62	5.12
右上裂片长/右上裂片宽	0.81	0.29	1.63	0.28	1.35	35.75	0.74	0.38
右下裂片长/右下裂片宽	0.95	0.34	2.29	0.34	1.95	35.48	1.01	1.75
左上裂片长/左上叶脉长	0.30	0.09	0.60	0.11	0.49	28.34	0.19	0.03
左下裂片长/左下叶脉长	0.43	0.11	0.71	0.09	0.62	25.48	-0.08	-0.07
右上裂片长/右上叶脉长	0.29	0.08	0.53	0.09	0.44	28.70	-0.03	-0.41
右下裂片长/右下叶脉长	0.41	0.11	0.71	0.09	0.62	26.60	-0.04	0.24

指标	平均值	标准差	最大值	最小值	极差	变异系数/%	偏度	峰度
叶长/cm	7.45	1.19	9.93	4.10	5.83	16.01	-0.28	-0.29
叶宽/cm	5.82	1.00	8.69	3.58	5.11	17.24	0.20	-0.14
叶最宽处所在位置/cm	4.84	0.90	6.80	2.85	3.95	18.65	-0.07	-0.62
叶柄长/cm	2.58	0.53	4.24	1.31	2.93	20.64	0.32	0.09
顶裂片长/cm	2.53	0.67	4.70	0.83	3.87	26.48	0.24	0.37
左上裂片长/cm	1.20	0.45	2.62	0.28	2.34	37.72	0.50	0.02
左下裂片长/cm	1.68	0.57	3.21	0.25	2.96	33.94	0.06	-0.47
右上裂片长/cm	1.19	0.43	2.60	0.29	2.31	36.33	0.28	-0.14
右下裂片长/cm	1.59	0.55	3.19	0.24	2.95	34.91	0.18	-0.24
顶裂片宽/cm	2.06	0.43	3.44	1.03	2.41	20.72	0.46	0.64
左上裂片宽/cm	1.59	0.33	2.63	0.66	1.97	20.76	0.33	0.38
左下裂片宽/cm	1.87	0.48	3.82	0.40	3.42	25.58	0.44	1.49
右上裂片宽/cm	1.49	0.30	2.49	0.67	1.82	20.29	0.34	0.34
右下裂片宽/cm	1.72	0.48	4.01	0.69	3.32	27.81	0.75	1.93
左上叶脉长/cm	3.93	0.71	6.21	2.42	3.79	17.98	0.19	-0.05
左下叶脉长/cm	3.87	0.72	5.89	1.91	3.98	18.66	0.00	-0.30
右上叶脉长/cm	4.00	0.68	5.92	2.08	3.84	17.02	0.01	-0.14
右下叶脉长/cm	3.82	0.70	5.77	2.19	3.58	18.43	0.17	-0.32
锯齿数	36.49	8.66	69.00	14.00	55.00	23.72	0.34	0.78
叶长/叶宽	1.29	0.14	1.73	0.97	0.76	11.16	0.32	-0.12
叶最宽处所在位置/叶长	0.65	0.07	0.83	0.41	0.42	10.79	-0.45	0.66
顶裂片长/叶长	0.34	0.06	0.51	0.16	0.35	18.31	0.18	0.25
顶裂片长/顶裂片宽	1.26	0.38	2.77	0.47	2.30	29.78	1.16	2.30
左上裂片长/左上裂片宽	0.75	0.25	1.96	0.28	1.68	32.78	1.13	2.67
左下裂片长/左下裂片宽	0.92	0.32	2.67	0.30	2.37	35.22	1.62	5.12
右上裂片长/右上裂片宽	0.81	0.29	1.63	0.28	1.35	35.75	0.74	0.38
右下裂片长/右下裂片宽	0.95	0.34	2.29	0.34	1.95	35.48	1.01	1.75
左上裂片长/左上叶脉长	0.30	0.09	0.60	0.11	0.49	28.34	0.19	0.03
左下裂片长/左下叶脉长	0.43	0.11	0.71	0.09	0.62	25.48	-0.08	-0.07
右上裂片长/右上叶脉长	0.29	0.08	0.53	0.09	0.44	28.70	-0.03	-0.41
右下裂片长/右下叶脉长	0.41	0.11	0.71	0.09	0.62	26.60	-0.04	0.24

指标	亲本叶片			F₁代叶片			F₁代平均值占亲本中值的比例/%	分布比例/%
指标	母本	父本	亲本中值	平均值	变异系数/%	极值	F₁代平均值占亲本中值的比例/%	超低亲	双亲之间	超高亲
叶长/叶宽	1.53	1.34	1.44	1.29	11.16	0.97~1.73	90	64.74	30.00	5.26
叶最宽处所在位置/叶长	0.64	0.62	0.63	0.65	10.79	0.41~0.83	103	30.00	10.53	59.47
顶裂片长/叶长	0.38	0.34	0.36	0.34	18.31	0.16~0.51	94	54.21	23.16	22.63
顶裂片长/顶裂片宽	1.44	1.34	1.39	1.26	29.78	0.47~2.77	91	65.79	8.95	25.26
左上裂片长/左上裂片宽	0.70	0.84	0.77	0.75	32.78	0.28~1.96	97	45.26	22.63	32.11
左下裂片长/左下裂片宽	0.82	0.83	0.83	0.92	35.22	0.30~2.67	111	42.11	0	57.89
右上裂片长/右上裂片宽	0.82	0.79	0.81	0.81	35.75	0.28~1.63	100	55.26	2.63	42.11
右下裂片长/右下裂片宽	0.94	1.09	1.02	0.95	35.48	0.34~2.29	93	55.79	17.37	26.84
左上裂片长/左上叶脉长	0.30	0.31	0.31	0.30	28.34	0.11~0.60	97	47.89	5.79	46.32
左下裂片长/左下叶脉长	0.38	0.39	0.39	0.43	25.48	0.09~0.71	110	38.42	1.58	60.00
右上裂片长/右上叶脉长	0.32	0.27	0.30	0.29	28.70	0.09~0.53	97	34.21	28.95	36.84
右下裂片长/右下叶脉长	0.41	0.43	0.42	0.41	26.60	0.09~0.71	98	50.00	5.79	44.21
总体							98	48.64	13.11	38.25

指标	亲本叶片			F₁代叶片			F₁代平均值占亲本中值的比例/%	分布比例/%
指标	母本	父本	亲本中值	平均值	变异系数/%	极值	F₁代平均值占亲本中值的比例/%	超低亲	双亲之间	超高亲
叶长/叶宽	1.53	1.34	1.44	1.29	11.16	0.97~1.73	90	64.74	30.00	5.26
叶最宽处所在位置/叶长	0.64	0.62	0.63	0.65	10.79	0.41~0.83	103	30.00	10.53	59.47
顶裂片长/叶长	0.38	0.34	0.36	0.34	18.31	0.16~0.51	94	54.21	23.16	22.63
顶裂片长/顶裂片宽	1.44	1.34	1.39	1.26	29.78	0.47~2.77	91	65.79	8.95	25.26
左上裂片长/左上裂片宽	0.70	0.84	0.77	0.75	32.78	0.28~1.96	97	45.26	22.63	32.11
左下裂片长/左下裂片宽	0.82	0.83	0.83	0.92	35.22	0.30~2.67	111	42.11	0	57.89
右上裂片长/右上裂片宽	0.82	0.79	0.81	0.81	35.75	0.28~1.63	100	55.26	2.63	42.11
右下裂片长/右下裂片宽	0.94	1.09	1.02	0.95	35.48	0.34~2.29	93	55.79	17.37	26.84
左上裂片长/左上叶脉长	0.30	0.31	0.31	0.30	28.34	0.11~0.60	97	47.89	5.79	46.32
左下裂片长/左下叶脉长	0.38	0.39	0.39	0.43	25.48	0.09~0.71	110	38.42	1.58	60.00
右上裂片长/右上叶脉长	0.32	0.27	0.30	0.29	28.70	0.09~0.53	97	34.21	28.95	36.84
右下裂片长/右下叶脉长	0.41	0.43	0.42	0.41	26.60	0.09~0.71	98	50.00	5.79	44.21
总体							98	48.64	13.11	38.25

性状	叶长	叶宽	叶最宽处所在位置	叶柄长	锯齿数	叶长/叶宽	叶最宽处所在位置/叶长
叶宽	0.783^**
叶最宽处所在位置	0.815^**	0.748^**
叶柄长	0.211^**	0.245^**	0.185^*
锯齿数	0.437^**	0.365^**	0.407^**	-0.029
叶长/叶宽	0.251^**	-0.395^**	0.032	-0.082	0.067
叶最宽处所在位置/叶长	-0.087	0.128	0.500^**	0	0.055	-0.339^**
叶柄长/叶长	-0.532^**	-0.346^**	-0.425^**	0.698^**	-0.354^**	-0.260^**	0.060