基于表型性状分析蕙兰种质资源遗传多样性

doi:10.3864/j.issn.0578-1752.2025.02.010

Abstract

Abstract:

【Objective】To investigate the variation patterns of phenotypic traits and their relationship to genetic diversity in Cymbidium faberi germplasm, to explore reliable comprehensive evaluation methods for germplasm resources, to screen for superior germplasm, and to provide a critical basis for germplasm innovation and new cultivar breeding in Cymbidium faberi Germplasm. 【Method】Using 102 C. faberi germplasm samples, 38 phenotypic traits were measured. Multiple statistical methods were employed, including the genetic diversity index, principal component analysis (PCA) combined with membership function method, cluster analysis, and correlation analysis, to perform phenotypic genetic diversity analysis and a comprehensive evaluation of the germplasm. Superior C. faberi germplasm was screened based on the comprehensive evaluation F-value and target traits.【Result】The coefficient of variation for quantitative traits in the 102 C. faberi germplasm samples ranged from 13.18% to 28.28%, and the genetic diversity index ranged from 1.52 to 1.97, with higher indices observed for traits such as the number of flowers and sepal shape. Significant or highly significant correlations were found among 46 pairs of traits, with most vegetative organ traits showing a highly significant positive correlation with reproductive organ traits. PCA results indicated that 12 principal components were extracted when the cumulative contribution rate of phenotypic traits reached 74.52%. The comprehensive evaluation F values calculated using the membership function method ranged from -0.45 to 1.26, identifying the top 10 superior C. faberi germplasm resources. Systematic clustering grouped the phenotypic traits and germplasm resources into three categories. R-type clustering visually displayed the associations between different quantitative and qualitative traits, consistent with the correlation analysis results. Q-type clustering revealed the phylogenetic relationships and genetic backgrounds among different C. faberi germplasm; 9 of the top 10 germplasm resources based on the comprehensive evaluation F-value were in the third major category. 【Conclusion】C. faberi germplasm exhibits rich diversity in both quantitative and qualitative traits. Utilization of multivariate statistical analysis methods for comprehensively evaluating C. faberi is feasible. The combination of the membership function method and PCA to calculate phenotypic comprehensive values effectively quantifies the comprehensive traits of C. faberi germplasm. Superior germplasm resources identified include C. faberi Dayipin, C. faberi Jinaosu, C. faberi Chengmei, C. faberi Baohuisu, C. faberi Jiangnanxinjipin, C. faberi Zhengxiaohe, C. faberi Dachenzi, C. faberi Xiuhuimudan, C. faberi Huilanhuban, and C. faberi Duanhuimei, among others. Key traits such as plant type, flower color, sepal, and petal posture can serve as critical indicators for the evaluation of C. faberi germplasm, aiding in the selection of breeding parental materials and innovative utilization of germplasm resources.

Key words: Cymbidium faberi, phenotypic traits, diversity, comprehensive evaluation

TANG GuiMei, LI WeiDong, ZHOU YuXia, KONG YouHan, XIAO XiaoLing, PENG YingShu, ZHANG Li, FU HongYan, LIU Yang, HUANG GuoLin. Genetic Diversity Analysis of Cymbidium faberi Germplasm Resources Based on Phenotypic Traits[J].Scientia Agricultura Sinica, 2025, 58(2): 339-354.

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https://www.chinaagrisci.com/EN/Y2025/V58/I2/339

Figures/Tables 10

Table 1

Table 2

Qualitative traits and its test methods used in experiment"

质量性状 Qualitative traits	测定标准 Measuremen standard	测量方式 Measurement methods	性状类型 Trait types
叶姿LS	1.直立；2.半直立；3.披散 1. Erect; 2. Semi-erect; 3. Sprawling	目测 Eye-measurement	多元性状 Multivariate traits
叶扭曲LCL	1.无；9.有 1. No; 9. Yes	目测 Eye-measurement	二元性状 Binary trait
叶艺LA	1.无；2.斑点；3.条纹 1. No; 2. Spot; 3. Stripe	目测 Eye-measurement	多元性状 Multivariate traits
叶色LC	1.黎明；2.红唇；3.甜蜜 1. Light green; 2. Medium green; 3. Dark green	比色卡 Colorimetric card	多元性状 Multivariate traits
花色FC	1.白色；2.绿色；3.黄色；4.橙色；5.粉色；6.红色；7.紫色；8.棕色；9.黑色 1. White; 2. Green; 3. Yellow; 4. Orange; 5. Pink; 6. Red; 7. Purple; 8. Brown; 9. Black	比色卡 Colorimetric card	多元性状 Multivariate traits
花被片数TN	1.<6；2.=6；3.>6	目测 Eye-measurement	多元性状 Multivariate traits
萼片及花瓣姿态SPP	1.完全内弯；2.部分内弯，部分平展；3.完全平展；4.部分平展，部分反卷；5.完全反卷；6.部分内卷，部分反卷 1. Completely inward curved; 2. Partially inward curved, partial flat exhibition; 3. Completely flattened; 4. Partially flattened, partially rewound; 5. Completely rewind; 6. Partial involution, partial deconvolution	目测 Eye-measurement	多元性状 Multivariate traits
萼片主色SDC	1.白色；2.绿色；3.黄色；4.橙色；5.粉色；6.红色；7.紫色；8.棕色；9.黑色 1. White; 2. Green; 3. Yellow; 4. Orange; 5. Pink; 6. Red; 7. Purple; 8. Brown; 9. Black	比色卡 Colorimetric card	多元性状 Multivariate traits
萼片条纹SS	1.无；9.有 1. No; 9. Yes	目测 Eye-measurement	二元性状 Binary trait
萼片形状SSH	1.披针形；2.线形；3.长圆形；4.椭圆形；5.倒卵形 1. Lanceolate; 2. Linear; 3. Oblong; 4. Elliptical shape; 5. Inverted shape	目测 Eye-measurement	多元性状 Multivariate traits
萼片纵切面形状 SLS	1.内弯，先端反卷；2.强烈内弯；3.轻微内弯；4.直立；5.轻微反卷；6.强烈反卷；7.反卷，先端内弯 1. Inward bending, apex retrorse; 2. Strong Inward Bending; 3. Slight internal bending; 4. Axial; 5. Slight rewind; 6. Strong rewind; 7. Inverted, with an inward bend at the tip	目测 Eye-measurement	多元性状 Multivariate traits
萼片边缘卷曲程度 SEC	1.无或极弱；3.弱；5.中；7.强；9.极强 1. None or extremely weak; 3. Weak; 5. Intermediate; 7. Strong; 9. Extremely strong	目测 Eye-measurement	多元性状 Multivariate traits
萼片边缘波状程度 SEW	1.无或极弱；3.弱；5.中；7.强；9.极强 1. None or extremely weak; 3. Weak; 5. Intermediate; 7. Strong; 9. Extremely strong	目测 Eye-measurement	多元性状 Multivariate traits
花瓣主色PDC	1.白色；2.绿色；3.黄色；4.橙色；5.粉色；6.红色；7.紫色；8.棕色；9.黑色 1. White; 2. Green; 3. Yellow; 4. Orange; 5. Pink; 6. Red; 7. Purple; 8. Brown; 9. Black	比色卡 Colorimetric card	多元性状 Multivariate traits
花瓣斑点PS	1.无；9.有 1. No; 9. Yes	目测 Eye-measurement	二元性状 Binary trait
花瓣条纹PST	1.无；9.有 1. No; 9. Yes	目测 Eye-measurement	二元性状 Binary trait
花瓣形状PSH	1.线形；2.长圆形；3.椭圆形；4.菱形；5.倒卵形；6.匙形 1. Linear; 2. Oblong; 3. Elliptical shape; 4. Diamond shaped; 5. Inverted; 6. Key shaped	目测 Eye-measurement	多元性状 Multivariate traits
花瓣纵切面形状 PLS	1.内弯，先端反卷；2.强烈内弯；3.轻微内弯；4.直立；5.轻微反卷；6.强烈反卷；7.反卷，先端内弯 1. Inward bending, apex retrorse; 2. Strong inward bending; 3. Slight internal bending; 4. Axial; 5. Slight rewind; 6. Strong rewind; 7. Inverted, with an inward bend at the tip	目测 Eye-measurement	多元性状 Multivariate traits
花瓣边缘卷曲程度 PEC	1.无或极弱；3.弱；5.中；7.强；9.极强 1. None or extremely weak; 3. Weak; 5. Intermediate; 7. Strong; 9. Extremely strong	目测 Eye-measurement	多元性状 Multivariate traits
花瓣边缘波状程度 PEW	1.无或极弱；3.弱；5.中；7.强；9.极强 1. None or extremely weak; 3. Weak; 5. Intermediate; 7. Strong; 9. Extremely strong	目测 Eye-measurement	多元性状 Multivariate traits
唇瓣主色LDC	1.白色；2.绿色；3.黄色；4.橙色；5.粉色；6.红色；7.紫色；8.棕色；9.黑色 1. White; 2. Green; 3. Yellow; 4. Orange; 5. Pink; 6. Red; 7. Purple; 8. Brown; 9. Black	比色卡 Colorimetric card	多元性状 Multivariate traits
唇瓣斑点LSP	1.无；9.有 1. No; 9. Yes	目测 Eye-measurement	二元性状 Binary trait
合蕊柱主色CDC	1.白色；2.绿色；3.黄色；4.橙色；5.粉色；6.红色；7.紫色；8.棕色；9.黑色 1. White; 2. Green; 3. Yellow; 4. Orange; 5. Pink; 6. Red; 7. Purple; 8. Brown; 9. Black	比色卡 Colorimetric card	多元性状 Multivariate traits
合蕊柱斑点CS	1.无；9.有 1. No; 9. Yes	目测 Eye-measurement	二元性状 Binary trait

Table 2

Table 3

Table 4

Fig. 1

Table 5

PC analysis of phenotypic traits of Cymbidium faberi germplasm resources"

性状 Traits	主成分 Principal component
性状 Traits	1	2	3	4	5	6	7	8	9	10	11	12	总载荷量 Total load
株高PH	-0.09	-0.08	-0.02	0.11	-0.14	-0.18	0.85	-0.05	0.02	-0.12	0.08	-0.05	0.32
叶数LN	-0.03	-0.07	-0.03	-0.02	-0.12	-0.08	-0.01	-0.08	-0.08	-0.16	0.12	0.70	0.13
叶长LL	-0.04	-0.02	0.08	0.18	0.32	-0.05	0.74	-0.15	-0.19	0.03	-0.13	0.09	0.86
叶宽LW	0.02	-0.10	-0.07	0.22	0.21	-0.58	0.08	-0.10	-0.09	-0.02	-0.15	0.02	-0.56
花序梗长LPL	-0.22	0.02	-0.01	-0.05	0.08	-0.48	0.36	-0.18	-0.26	-0.07	0.07	0.41	-0.34
花数FN	-0.21	0.02	-0.20	-0.27	-0.15	-0.36	0.48	0.04	0.14	-0.05	-0.07	0.13	-0.51
花长FL	0.28	0.19	0.17	0.83	0.07	-0.04	0.02	-0.03	-0.05	-0.05	0.10	-0.12	1.37
花宽FW	-0.12	0.03	-0.12	0.85	0.07	-0.07	0.14	-0.02	0.03	-0.06	-0.01	0.08	0.80
中萼片长MSL	0.00	-0.08	-0.04	0.05	0.07	0.80	-0.10	0.05	0.00	0.03	0.01	0.11	0.90
中萼片宽MSW	0.02	0.04	0.96	-0.01	-0.04	0.02	-0.01	-0.01	-0.01	-0.05	0.06	0.00	0.96
侧萼片长LSL	0.09	0.02	-0.53	0.53	0.08	-0.19	-0.06	0.05	-0.11	0.14	0.40	-0.05	0.35
侧萼片宽LSW	0.02	-0.02	0.94	-0.01	-0.06	-0.03	0.01	0.01	0.01	-0.06	0.06	-0.02	0.85
花瓣长PL	0.36	0.04	-0.23	0.32	0.10	-0.03	-0.10	0.03	-0.42	0.09	0.58	-0.16	0.60
花瓣宽PW	-0.07	-0.02	0.16	0.04	-0.03	0.09	0.00	0.02	-0.01	0.12	0.79	0.25	1.34
叶姿LS	0.06	0.13	-0.11	0.09	0.23	0.14	-0.30	-0.14	0.47	-0.34	0.01	0.12	0.37
叶扭曲LCL	0.70	-0.12	-0.07	0.06	-0.12	0.04	0.07	0.07	0.21	0.00	0.19	-0.19	0.86
叶艺LA	-0.04	0.25	0.56	0.03	0.27	0.11	-0.13	-0.39	-0.08	0.27	0.00	-0.21	0.63
叶色LC	-0.23	-0.23	-0.06	0.14	-0.17	-0.48	0.18	0.05	0.09	0.10	0.09	0.22	-0.29
花色FC	-0.02	0.89	-0.04	0.00	0.18	-0.02	-0.08	-0.04	0.02	0.09	0.05	0.01	1.03
花被片数TN	-0.09	-0.07	-0.18	0.22	0.74	-0.10	-0.03	0.15	0.07	-0.06	-0.26	0.05	0.44
萼片及花瓣姿态SPP	0.32	0.14	0.17	-0.28	0.42	0.22	-0.07	0.43	-0.04	0.21	0.11	-0.06	1.56
萼片主色SDC	0.17	0.70	-0.19	0.13	-0.10	0.00	-0.18	-0.15	-0.35	0.02	-0.07	-0.08	-0.11
萼片条纹SS	0.75	0.21	-0.09	-0.11	-0.06	0.00	-0.05	-0.03	-0.23	-0.10	-0.20	0.14	0.23
萼片形状SSH	0.02	-0.11	0.08	-0.18	-0.56	-0.08	-0.23	-0.24	0.40	-0.12	-0.38	0.15	-1.25
萼片纵切面形状SLS	0.27	0.07	-0.01	-0.18	0.09	0.26	-0.12	0.75	-0.08	0.02	-0.04	0.03	1.08
萼片边缘卷曲程度SEC	0.37	-0.05	-0.05	-0.21	-0.04	0.16	-0.11	-0.02	0.28	0.63	0.30	-0.09	1.17
萼片边缘波状程度SEW	-0.11	0.02	-0.09	0.03	0.04	-0.04	-0.04	0.08	-0.01	0.88	0.07	-0.11	0.72
花瓣主色PDC	-0.07	0.83	0.11	0.05	0.10	0.05	0.16	0.23	0.16	-0.14	0.03	0.03	1.53
花瓣斑点PS	-0.09	0.27	0.21	-0.21	0.64	-0.04	-0.01	0.06	0.30	-0.02	0.24	-0.21	1.12
花瓣条纹PST	0.84	0.15	0.04	0.22	-0.04	0.00	-0.18	0.07	-0.07	0.02	-0.06	-0.05	0.97
花瓣形状PSH	-0.05	-0.12	0.09	-0.40	-0.53	-0.10	-0.01	-0.26	0.31	-0.13	-0.06	0.16	-1.09
花瓣纵切面形状PLS	-0.13	0.13	-0.13	0.17	0.20	-0.06	-0.05	0.79	-0.15	0.10	0.07	-0.12	0.81
花瓣边缘卷曲程度PEC	0.55	-0.08	0.20	0.00	0.17	0.26	-0.18	0.19	0.30	0.37	0.09	0.23	2.11
花瓣边缘波状程度PEW	0.34	0.06	0.28	0.10	0.30	0.31	-0.26	0.38	0.19	0.39	-0.04	0.22	2.26
唇瓣主色LDC	0.10	0.21	-0.05	-0.04	0.00	0.39	0.10	0.12	0.22	0.08	0.02	0.52	1.67
唇瓣斑点LSP	0.03	0.03	-0.02	-0.03	-0.02	0.04	-0.01	-0.09	0.73	0.15	-0.07	-0.07	0.67
合蕊柱主色CDC	0.29	0.80	0.20	0.11	-0.06	0.13	-0.06	0.18	0.09	0.01	-0.03	0.02	1.69
合蕊柱斑点CS	0.50	0.17	0.25	-0.13	0.32	0.26	-0.09	-0.06	0.25	0.06	0.27	0.12	1.92
特征值Eigenvalue	6.07	4.08	3.02	2.61	2.39	1.81	1.75	1.74	1.52	1.22	1.08	1.04
方差贡献率 Contribution rate (%)	15.96	10.75	7.95	6.87	6.29	4.75	4.60	4.58	3.99	3.20	2.83	2.74
累计贡献率Total account (%)	15.96	26.71	34.66	41.54	47.83	52.58	57.18	61.76	65.75	68.95	71.78	74.52

Table 5

Table 6

Coefficients of 12 principal component scores"

性状 Traits	成分得分系数矩阵 Matrix of component score coefficients
性状 Traits	1	2	3	4	5	6	7	8	9	10	11	12
株高PH	0.07	0.00	0.00	0.03	-0.08	0.09	0.48	0.03	0.08	-0.03	0.06	-0.13
叶数LN	0.00	-0.01	0.00	0.00	0.01	-0.06	-0.10	-0.03	-0.08	-0.04	0.08	0.49
叶长LL	0.08	-0.02	0.02	0.04	0.16	0.15	0.42	-0.13	-0.09	0.09	-0.15	0.06
叶宽LW	0.09	-0.04	0.02	0.04	0.15	-0.33	-0.08	-0.03	0.01	0.04	-0.11	0.07
花序梗长LPL	0.01	0.04	0.02	-0.08	0.11	-0.21	0.05	-0.08	-0.13	0.04	0.04	0.30
花数FN	0.02	0.07	-0.07	-0.13	-0.04	-0.14	0.22	0.09	0.11	0.03	0.00	0.03
花长FL	0.06	0.02	0.10	0.35	-0.06	0.00	0.02	0.00	0.06	-0.04	0.00	-0.05
花宽FW	-0.07	-0.01	0.01	0.39	-0.04	0.06	0.04	0.01	0.11	0.02	-0.07	0.07
中萼片长MSL	-0.09	-0.06	-0.06	0.08	0.00	0.50	0.09	-0.07	-0.07	-0.01	-0.03	0.06
中萼片宽MSW	-0.02	-0.02	0.35	0.05	-0.06	-0.06	-0.02	0.06	-0.04	-0.03	0.03	0.00
侧萼片长LSL	0.01	0.01	-0.15	0.15	-0.01	-0.09	-0.08	0.00	0.04	0.03	0.20	0.00
侧萼片宽LSW	-0.01	-0.03	0.35	0.05	-0.06	-0.08	-0.01	0.08	-0.02	-0.04	0.04	-0.02
花瓣长PL	0.10	-0.02	-0.07	0.02	0.00	-0.03	-0.05	-0.05	-0.16	-0.05	0.31	-0.08
花瓣宽PW	-0.08	0.00	0.05	-0.01	-0.05	0.02	-0.04	0.00	0.01	-0.04	0.48	0.15
叶姿LS	0.00	0.01	-0.08	0.04	0.16	0.00	-0.16	-0.09	0.25	-0.25	0.08	0.06
叶扭曲LCL	0.27	-0.07	-0.04	0.00	-0.06	-0.03	0.15	0.04	0.15	-0.10	0.11	-0.19
叶艺LA	-0.05	0.06	0.16	0.01	0.12	0.05	-0.05	-0.28	-0.10	0.18	-0.06	-0.07
叶色LC	-0.04	-0.04	0.03	0.08	-0.07	-0.25	-0.02	0.12	0.10	0.10	0.05	0.15
花色FC	-0.06	0.32	-0.05	-0.05	0.03	-0.06	-0.04	-0.08	0.02	0.07	0.02	0.04
花被片数TN	0.00	-0.08	-0.06	0.05	0.37	-0.09	-0.07	0.00	0.06	-0.04	-0.19	0.09
萼片及花瓣姿态SPP	0.08	-0.01	0.03	-0.16	0.15	-0.01	0.04	0.13	-0.05	0.02	0.02	-0.02
萼片主色SDC	0.02	0.25	-0.08	0.00	-0.08	0.01	-0.08	-0.13	-0.19	0.06	-0.07	-0.01
萼片条纹SS	0.30	0.04	-0.05	-0.11	0.03	-0.06	0.03	-0.07	-0.17	-0.04	-0.15	0.12
萼片形状SSH	0.02	0.01	0.03	0.04	-0.20	-0.09	-0.13	-0.02	0.17	0.02	-0.17	0.07
萼片纵切面形状SLS	0.04	-0.02	0.01	-0.07	-0.05	0.03	0.01	0.38	-0.05	-0.07	-0.04	0.01
萼片边缘卷曲程度SEC	0.09	-0.01	-0.06	-0.08	-0.04	0.00	0.05	-0.08	0.11	0.30	0.11	-0.06
萼片边缘波状程度SEW	-0.10	0.04	-0.02	0.03	-0.06	-0.05	0.00	-0.02	-0.03	0.55	-0.11	0.01
花瓣主色PDC	-0.07	0.29	0.02	0.01	-0.06	0.00	0.11	0.13	0.12	-0.08	0.04	-0.01
花瓣斑点PS	-0.03	0.06	0.02	-0.16	0.29	-0.12	-0.01	-0.03	0.18	-0.13	0.19	-0.15
花瓣条纹PST	0.29	0.00	0.02	0.06	-0.04	-0.11	-0.03	0.01	-0.03	-0.02	-0.09	-0.01
花瓣形状PSH	0.02	0.02	0.01	-0.10	-0.17	-0.07	-0.02	-0.04	0.12	-0.04	0.05	0.05
花瓣纵切面形状PLS	-0.11	0.02	0.01	0.06	-0.05	-0.11	-0.06	0.44	0.00	-0.01	0.01	-0.06
花瓣边缘卷曲程度PEC	0.14	-0.07	0.05	0.04	0.05	-0.01	-0.01	0.03	0.10	0.16	-0.03	0.18
花瓣边缘波状程度PEW	0.03	-0.03	0.09	0.09	0.06	0.01	-0.07	0.13	0.04	0.19	-0.13	0.21
唇瓣主色LDC	-0.01	0.07	-0.05	0.04	-0.02	0.21	0.12	0.01	0.06	0.07	-0.03	0.33
唇瓣斑点LSP	0.00	0.03	-0.04	0.06	-0.01	-0.03	0.05	-0.03	0.40	0.07	-0.02	-0.10
合蕊柱主色CDC	0.03	0.26	0.05	0.05	-0.13	-0.01	0.04	0.09	0.05	0.01	-0.04	0.01
合蕊柱斑点CS	0.15	0.01	0.02	-0.09	0.17	0.03	0.03	-0.13	0.09	-0.07	0.15	0.07

Table 6

Fig. 2

Fig. 3

Fig. 4

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数量性状 Qualitative traits	测量方法 Measurement methods
株高PH (cm)	自然状态下植株的高度Height of plant in natural state
叶数LN	单株叶片的总数量Total number of leaves per plant
叶长LL (cm)	叶片基部至叶片顶端长度的平均值Average length from the base to the top of the blade
叶宽LW (cm)	中等长度叶片最宽处宽度Width of the widest part of the medium length blade
花序梗长LPL (cm)	花序梗的长度Length of peduncle
花数FN	单株花朵的数量Number of flowers per plant
花长FL (cm)	花朵长度的平均值Average flower length
花宽FW (cm)	花朵宽度的平均值Average flower width
中萼片长MSL (cm)	中萼片最长处长度的平均值Average length of the longest part of the sepals
中萼片宽MSW (cm)	中萼片最宽处宽度的平均值Average width at the widest point of the sepals
侧萼片长LSL (cm)	侧萼片最长处长度的平均值Average length of the longest lateral sepal
侧萼片宽LSW (cm)	侧萼片最宽处宽度的平均值Average width at the widest point of lateral sepals
花瓣长PL (cm)	花瓣最长处长度的平均值Average length of the longest petal
花瓣宽PW (cm)	花瓣最宽处宽度的平均值Average width of the widest petals

性状 Traits	最大值 Max	最小值 Min	平均值±标准差 Mean±SD	变异系数 CV (%)	遗传多样性指数 H´
株高PH (cm)	60.0	28.0	42.71±6.09	14.27	1.85
叶数LN	14.0	3.0	7.64±1.38	18.03	1.52
叶长LL (cm)	85.0	35.0	52.17±8.50	16.29	1.69
叶宽LW (cm)	1.5	0.6	1.04±0.17	16.79	1.70
花序梗长LPL (cm)	80.0	15.0	48.49±8.82	18.20	1.73
花数FN	15.0	3.0	8.81±2.26	25.68	1.97
花长FL (cm)	6.2	2.5	4.39±0.65	14.75	1.87
花宽FW (cm)	7.5	1.2	5.46±0.87	15.89	1.89
中萼片长MSL (cm)	4.0	1.8	2.80±0.37	13.18	1.63
中萼片宽MSW (cm)	3.2	0.6	1.00±0.28	28.28	1.66
侧萼片长LSL (cm)	4.0	0.8	2.87±0.42	14.50	1.77
侧萼片宽LSW (cm)	2.8	0.5	0.99±0.25	25.76	1.64
花瓣长PL (cm)	3.0	0.7	1.96±0.49	25.00	1.82
花瓣宽PW (cm)	1.2	0.5	0.89±0.167	18.51	1.78

性状 Traits	变异系数 CV (%)	遗传多样性指数H´	分布频数Distribution frequency
性状 Traits	变异系数 CV (%)	遗传多样性指数H´	1	2	3	4	5	6	7	8	9
叶姿LS	28.03	0.86	13.73	66.67	19.61
叶扭曲LCL	128.63	0.22	94.12								5.88
叶艺LA	32.95	0.17	96.08	0.98	2.94
叶色LC	23.92	0.79	4.90	64.71	30.39
花色FC	50.22	0.60	2.94	84.31	5.88		0.98	1.96	3.92
花被片数TN	15.74	0.40	0.98	88.24	10.78
萼片及花瓣姿态SPP	73.83	1.38	50.00	16.67	0.98	16.67	4.90	10.78
萼片主色SDC	31.49	0.35	0.98	92.16	4.90			0.98	0.98
萼片条纹SS	125.69	0.48	81.4								18.6
萼片形状SSH	52.11	1.52	24.51	17.65	13.73	9.80	34.31
萼片纵切面形状SLS	34.04	1.32	3.92	1.96	58.82	13.73	12.75	5.88	2.94
萼片边缘卷曲程度SEC	77.30	0.68	77.45		13.73		8.82
萼片边缘波状程度SEW	70.27	0.46	87.25		8.82		3.92
花瓣主色PDC	50.58	0.71	4.90	80.39	7.84			3.92	2.94
花瓣斑点PS	133.98	0.32	90.20								9.80
花瓣条纹PST	133.44	0.36	88.24								11.76
花瓣形状PSH	42.29	1.43	12.75	14.71	33.33	4.90	34.31
花瓣纵切面形状PLS	44.27	1.37	2.94	40.20	37.25	4.90	5.88	6.86	1.96
花瓣边缘卷曲程度PEC	94.55	0.84	73.53		14.71		4.90		5.88		0.98
花瓣边缘波状程度PEW	89.13	0.82	74.51		14.71		5.88		4.90
唇瓣主色LDC	48.80	1.00	2.94	58.82	28.43			6.86	2.94
唇瓣斑点LSP	44.21	0.51	20.59								79.41
合蕊柱主色CDC	50.39	0.79	0.98	75.49	13.73		0.98	5.88	2.94
合蕊柱斑点CS	128.41	0.45	83.33								16.67

Genetic Diversity Analysis of Cymbidium faberi Germplasm Resources Based on Phenotypic Traits

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