Evaluation of medicinal asexual strains of Xanthoceras sorbifolium

doi:10.12302/j.issn.1000-2006.202312020

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2025, Vol. 49 ›› Issue (2): 38-44.doi: 10.12302/j.issn.1000-2006.202312020

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Evaluation of medicinal asexual strains of Xanthoceras sorbifolium

QI Ya¹(), WANG Gaiping¹^,^*(), XUANYUAN Xintong¹, PENG Daqing², LI Shuomin², LI Shouke³, CAO Fuliang¹

1. Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
2. Jiangsu Yancheng Forest Farm, Yancheng 224049, China
3. Shandong Woqi Agricultural Development Co. Ltd., Weifang 261000,China

Received:2023-12-20 Accepted:2024-03-25 Online:2025-03-30 Published:2025-03-28
Contact: WANG Gaiping E-mail:1579700192@qq.com;905181635@qq.com

Abstract

Abstract:

【Objective】 This study aimed to evaluate the variation in phenotypic traits, leaf nutrient content, and enzyme activities among 23 clonal lines of Xanthoceras sorbifolium, and to examine their interrelations. The findings aim to provide a scientific foundation for the targeted cultivation, introduction and promotion of superior clonal lines of leaf-use X. sorbifolium. 【Method】 Twenty-three clonal lines of X. sorbifolia, introduced to Yancheng Forest Farm in Jiangsu Province, were used as research subjects. Variation was assessed by analyzing the coefficient of variation across 15 key indicators. Pearson correlation coefficients were calculated to determine the relationships between phenotypic traits, leaf nutrients and enzyme activities. Principal component analysis and hierarchical clustering were applied to comprehensively evaluate and classify the clonal lines. 【Result】 The 15 indicators exhibited varying degrees of variation, with coefficients ranging from 6.17% to 43.00%. Significant correlations were identified: nine pairs of indicators showed extremely significant correlations (P<0.01), while five pairs demonstrated significant correlations (P<0.05).【 Conclusion】 Leaf traits among the clonal lines of X. sorbifolium display substantial variation, indicating strong potential for selective improvement. The superior clonal lines identified were 50, Y8 and Y11, which are recommended for further cultivation and introduction in the Yancheng region.

Key words: Xanthoceras sorbifolium, clone, phenotypic character, active ingredient, comprehensive evaluation

CLC Number:

S722

QI Ya, WANG Gaiping, XUANYUAN Xintong, PENG Daqing, LI Shuomin, LI Shouke, CAO Fuliang. Evaluation of medicinal asexual strains of Xanthoceras sorbifolium[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2025, 49(2): 38-44.

Figures/Tables 8

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References 34

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编号 No.	名称 name	来源地 source	编号 No.	名称 name	来源地 source	编号 No.	名称 name	来源地 source
1	Y11	陕西省延安市	9	Y23-1	内蒙古乌拉特前旗	17	Y15	山西吕梁山脉
2	50	陕西省延安市	10	20	内蒙古乌拉特前旗	18	Y34	山西吕梁山脉
3	24	陕西省延安市	11	46	内蒙古乌拉特前旗	19	Y4	山西吕梁山脉
4	Y14-2	陕西省延安市	12	Y1	内蒙古乌拉特前旗	20	Y2	山西吕梁山脉
5	22	内蒙古乌拉特前旗	13	Y30	内蒙古乌拉特前旗	21	Y28	山西吕梁山脉
6	Y8	内蒙古乌拉特前旗	14	Y37	山西吕梁山脉	22	48	山西吕梁山脉
7	F1	内蒙古乌拉特前旗	15	Y35	山西吕梁山脉	23	Y31	山西吕梁山脉
8	Y32	内蒙古乌拉特前旗	16	Y38	山西吕梁山脉

指标 index	变异范围 variation range	均值 average	标准差 SD	变异系数/% CV	指标值最小无性系 min clone	指标值最大无性系 max clone
苗高/cm PH	161.50~250.70	220.56	24.18	10.96	Y38	Y2
地径/mm GD	21.27~41.37	34.59	5.74	16.60	Y38	Y2
冠幅/cm CW	103.32~177.70	137.36	19.30	14.05	24	Y4
复叶面积/cm² CLA	38.38~76.18	55.71	11.92	21.40	24	Y2
叶片厚度/mm BT	0.29~0.36	0.33	0.02	6.17	Y11	Y14-2
小叶数EN	15.00~18.33	16.35	1.07	6.20	Y11、Y34、50、Y38	48
鲜叶质量/g FLW	4.31~8.30	6.39	1.11	17.41	Y28	Y35
总黄酮质量分数/(mg·g^-1) TF content	41.12~60.59	49.72	5.82	11.71	Y15	24
总多酚质量分数/(mg·g^-1) TP content	18.90~29.15	22.95	2.54	11.05	Y31	50
总皂苷质量分数/(mg·g^-1) TS content	93.14~269.61	161.99	40.49	25.00	Y35	50
PAL活性/(U·min^-1·g^-1) PAL activities	12.57~45.67	25.61	11.02	43.00	Y15	Y32
C4H活性/(U·min^-1·g^-1) C4H activities	113.78~236.00	158.97	34.07	21.43	Y23-1	Y15
4CL活性/(U·min^-1·g^-1) 4CL activities	216.30~1 340.15	803.73	318.91	39.68	Y2	50
DPPH·清除率/% DPPH· clearance rate	69.03~94.83	83.68	0.07	8.13	22	50
ABTS·清除率/% ABTS· clearance rate	57.49~97.24	72.73	0.09	12.75	Y14-2	50

指标index	苗高PH	地径GD	冠幅CW	复叶面积CLA	叶片厚度BT	小叶数EN	鲜叶质量FLW
苗高PH	1
地径GD	0.571^**	1
冠幅CW	0.386	0.428^*	1
复叶面积CLA	0.162	0.235	0.325	1
叶片厚度BT	0.085	0.152	0.060	0.402	1
小叶数EN	-0.150	0.180	0.202	0.168	0.280	1
鲜叶质量FLW	-0.090	0.100	-0.013	0.417^*	0.233	0.163	1

指标index	总黄酮TF	总多酚TP	总皂苷TS	PAL	C4H	4CL	DPPH·	ABTS·
总黄酮TF	1
总多酚TP	0.570^**	1
总皂苷TS	0.159	0.568^**	1
PAL	0.039	-0.279	-0.296	1
C4H	0.238	0.265	0.496^*	-0.169	1
4CL	0.400	0.400	0.250	0.040	0.285	1
DPPH·	0.473^*	0.660^**	0.573^**	0.165	0.362	0.199	1
ABTS·	0.558^**	0.705^**	0.628^**	0.008	0.456^*	0.316	0.853^**	1

项目item	PC1	PC2	PC3	PC4
总多酚含量TP content	0.789	0.404	0.310	0.061
总皂苷含量TS content	0.675	0.355	-0.402	0.306
复叶面积CLA	-0.661	0.523	0.016	0.150
叶片厚度BT	-0.327	0.618	-0.296	0.447
总黄酮含量TF content	0.429	0.614	0.386	-0.356
冠幅CW	-0.421	0.097	0.792	0.293
鲜叶质量FLW	-0.456	0.510	-0.239	-0.584
特征值genvalue	2.191	1.590	1.179	0.873
贡献率/% contribution rate	31.293	22.720	16.848	12.478
累积贡献率/% cumulative contribution rate	31.293	54.013	70.861	83.339

Evaluation of medicinal asexual strains of Xanthoceras sorbifolium

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无性系 clone	得分score
无性系 clone	PC1	PC2	PC3	PC4	综合aggregate
Y11	1.439	-1.231	2.101	-0.649	0.444
50	2.050	3.411	-0.524	0.240	1.358
24	3.374	0.884	-0.469	-1.232	1.024
Y14-2	-1.145	-0.341	-0.643	1.068	-0.411
22	-1.451	-0.599	1.238	0.772	-0.285
Y8	0.587	-0.217	1.108	1.327	0.487
F1	2.140	-0.872	0.611	0.418	0.626
Y32	-1.594	0.786	-1.022	-0.090	-0.503
Y23-1	-1.184	0.092	-1.209	-0.661	-0.636
20	-1.545	0.677	-0.389	-0.567	-0.466
46	-0.225	-0.030	0.794	0.532	0.123
Y1	-0.452	-1.255	-1.279	-1.186	-0.790
Y30	-0.006	0.496	-0.351	-0.056	0.045
Y37	-0.281	1.406	-0.846	0.004	0.089
Y35	-1.372	1.611	1.372	-1.496	-0.019
Y38	0.944	-1.843	-0.609	-0.611	-0.302
Y15	1.162	-2.048	-1.275	0.038	-0.312
Y34	0.441	-1.014	0.887	-0.638	-0.023
Y4	-0.749	0.283	2.421	-0.544	0.170
Y2	-0.576	1.304	-0.128	2.076	0.353
Y28	0.693	-0.617	-0.016	1.620	0.276
48	-1.028	0.314	-0.780	-0.814	-0.483
Y31	-1.222	-1.199	-0.993	0.450	-0.766

聚类群 cluster	冠幅/cm CW	复叶面积/cm² CLA	叶片厚度/mm BT	鲜叶质量/g FLW	总黄酮质量分数/ (mg·g^-1) TF content	总多酚质量分数/ (mg·g^-1) TP content	总皂苷质量分数/ (mg·g^-1) TS content
Ⅰ	128.83	57.95	0.35	7.40	60.24	29.15	269.61
Ⅱ	130.14	55.59	0.33	6.25	49.77	23.28	190.42
Ⅲ	143.01	55.63	0.32	6.41	48.87	22.24	134.04