Comprehensive evaluation on important traits of wild pomegranate fruits from Tibet

doi:10.12302/j.issn.1000-2006.2006.202203035

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2023, Vol. 47 ›› Issue (4): 73-80.doi: 10.12302/j.issn.1000-2006.2006.202203035

Special Issue: 乡村振兴视域下经济林果培育专题（Ⅱ）

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Comprehensive evaluation on important traits of wild pomegranate fruits from Tibet

FAN Yaoyuwei¹(), Renzeng Langjia², DONG Jianmei¹, REN Yuan¹, GE Dapeng¹, ZHAO Xueqing¹, YUAN Zhaohe¹^,^*()

1. Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
2. Forest science research institute of tibet, Lhasa 850000, China

Received:2022-03-17 Revised:2023-03-29 Online:2023-07-30 Published:2023-07-20

Abstract

Abstract:

【Objective】The fruit samples of 21 wild pomegranate plants collected in the dry-hot valley area of Tibet were comprehensively analyzed and evaluated to provide information for phenotypic database of wild pomegranate germplasms and provide scientific basis for breeding excellent pomegranate varieties.【Method】The fruit external and internal qualities of 21 pomegranate samples were determined by vernier caliper, electronic balance, texture analyzer and anthrone colorimetry, and the correlation analysis was carried out. Based on the comprehensive evaluation methods including ‘reasonable satisfaction’ and multidimensional value theory, 12 indexes, such as single fruit weight, fruit shape index, peel thickness, seed hardness, 100-aril weight, seed yield, soluble sugar content, soluble solids content, titratable acid content, vitamin C content, sugar-acid ratio and solid-acid ratio were selected to analyze and evaluate comprehensively.【Result】The fruit shape index of Gebu 5 was the largest. Junyong 1 had the smallest single fruit weight, the thinnest peel, the smallest 100-aril weight, and the lowest sugar-acid ratio. The peel thickness of Zela 1 was the largest; Changxi 1 had the largest 100-aril weight; the seed yield of Yeba 1 was the highest while Gula 3 the lowest. The content of soluble solids and soluble sugar in Gula 1 was the highest. Changxi 3 had the highest vitamin C content; sugar-acid ratio and solid-acid ratio of Zhula 1 were the largest. Correlations between some indexes were significant (P<0.05) or extremely significant (P < 0.01) positive or negative. The highest synthetic ‘reasonable satisfaction’ was Zhula 1. 【Conclusion】The fruit qualities of 21 wild pomegranate samples were significantly different. Most of wild pomegranates were characterized by small fruit, hard seed and high content of acids, indicating a rich genetic variability of wild pomegranate resources at the phenotypic level. According to the results of final synthetic ‘reasonable-satisfaction’, the overall fruit external and internal quality traits of Zhula 1 are optimal, which can be used as resources for introduction and selective breeding.

Key words: Punica granatum (pomegranate), fruit quality, correlation analysis, multidimensional value theory

CLC Number:

S665.4

FAN Yaoyuwei, Renzeng Langjia, DONG Jianmei, REN Yuan, GE Dapeng, ZHAO Xueqing, YUAN Zhaohe. Comprehensive evaluation on important traits of wild pomegranate fruits from Tibet[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2023, 47(4): 73-80.

Figures/Tables 6

Table 1

List of wild pomegranate names, collection sites, location and elevation information in Tibet"

编号 No.	单株名称 name	口感 taste	采集地 collection site	北纬 latitude(N)	东经 longitude(E)	海拔/m altitude
1	安巴1号Anba 1	酸甜	察隅县安巴村	29°02'25.889 9″	97°58'58.191 1″	2 322.84
2	安巴3号Anba 3	酸涩	察隅县安巴村	28°22'18.055 1″	98°27'09.136 8″	2 364.00
3	昌西1号Changxi 1	甜	察隅县昌西村	28°22'18.055 2″	98°27'09.136 8″	1 791.26
4	昌西3号Changxi 3	酸甜	察隅县昌西村	28°22'19.412 3″	98°27'12.146 4″	1 783.68
5	昌西4号Changxi 4	酸甜	察隅县昌西村	28°22'12.878 4″	98°27'11.534 3″	1 838.79
6	邓许Dengxu	酸	察隅县邓许村	28°26'35.725 1″	98°27'25.664 4″	1 798.06
7	格布4号Gebu 4	酸	察隅县格布村	28°36'39.834 0″	98°27'08.211 6″	2 314.93
8	格布5号Gebu 5	酸	察隅县格布村	28°36'39.834 0″	98°27'08.211 6″	2 329.89
9	古拉1号Gula 1	酸	察隅县古拉村	29°01'13.918 7″	97°57'09.093 5″	2 374.35
10	古拉3号Gula 3	酸	察隅县古拉村	29°01'12.964 8″	97°57'30.448 8″	2 376.82
11	军拥1号Junyong 1	酸	左贡县军拥村	29°51'24.451 2″	97°25'27.411 6″	2 699.71
12	军拥3号Junyong 3	酸	左贡县军拥村	29°51'19.008 0″	97°25'05.433 6″	2 609.86
13	军拥4号Junyong 4	酸	左贡县军拥村	29°51'23.641 2″	97°25'22.371 6″	2 732.00
14	叶巴1号Yeba 1	酸	八宿县叶巴村	29°52'45.447 6″	97°22'47.722 8″	2 661.81
15	叶巴2号Yeba 2	酸	八宿县叶巴村	29°52'43.471 2″	97°16'51.337 2″	2 637.02
16	叶巴3号Yeba 3	酸	八宿县叶巴村	29°52'43.478 4″	97°22'53.166 0″	2 709.42
17	则拉1号Zela 1	酸	察隅县则拉村	28°29'31.236 0″	98°27'16.343 9″	2 053.30
18	则拉3号Zela 3	酸	察隅县则拉村	28°29'29.198 4″	98°27'08.330 4″	2 082.00
19	则拉4号Zela 4	酸	察隅县则拉村	28°29'24.518 4″	98°27'09.252 0″	2 008.00
20	珠拉1号Zhula 1	甜	察隅县珠拉村	28°44'11.194 8″	98°26'21.793 0″	2 125.50
21	珠拉2号Zhula 2	酸	察隅县珠拉村	28°44'10.579 2″	98°26'21.012 0″	2 118.41

Table 1

Fig. 1

Fig. 2

Table 2

Table 3

Table 4

The results of “Reasonableness and Satisfaction Index” analysis of wild pomegranate"

单株名称 name	SFW	FSI	PT	SH	HGW	RS	SS	TSS	TA	VC	SS/TA	TSS/TA	V	排名rank
安巴1号 Anba 1	0.79	0.30	0.45	0.94	0.54	0.34	0.60	0.02	0.65	0.87	0.19	0.15	0.40	3
安巴3号 Anba 3	0.40	0.50	0.87	0.59	0.24	0.63	0.60	0.34	0.30	0.41	0.07	0.06	0.30	14
昌西1号 Changxi 1	0.47	0.20	0.50	0.60	1.00	0.15	0.14	0.54	0.88	0.05	0.28	0.51	0.45	2
昌西3号 Changxi 3	0.41	0.00	0.59	0.27	0.75	0.61	0.14	0.00	0.57	1.00	0.08	0.11	0.31	13
昌西4号 Changxi 4	0.70	0.44	0.64	0.49	0.66	0.78	0.48	0.65	0.36	0.33	0.07	0.09	0.35	6
邓许 Dengxu	0.57	0.45	0.72	0.76	0.55	0.66	0.37	0.66	0.40	0.00	0.07	0.10	0.32	11
格布4号 Gebu 4	0.94	0.34	0.34	1.00	0.36	0.68	0.31	0.24	0.57	0.36	0.11	0.13	0.34	9
格布5号 Gebu 5	0.63	1.00	0.54	0.56	0.27	0.68	0.00	0.12	0.29	0.92	0.01	0.04	0.28	16
古拉1号 Gula 1	0.41	0.46	0.18	0.79	0.44	0.65	0.51	1.00	0.23	0.18	0.05	0.08	0.32	12
古拉3号 Gula 3	0.33	0.04	0.42	0.56	0.39	0.00	0.60	0.07	0.40	0.02	0.10	0.06	0.20	19
军拥1号 Junyong 1	0.00	0.34	1.00	0.54	0.00	0.65	0.11	0.72	0.06	0.56	0.00	0.04	0.24	18
军拥3号 Junyong 3	0.41	0.11	0.33	0.00	0.06	0.59	0.37	0.13	0.00	0.05	0.02	0.00	0.10	21
军拥4号 Junyong 4	0.41	0.29	0.51	0.22	0.12	0.73	0.26	0.49	0.20	0.59	0.03	0.05	0.24	17
叶巴1号 Yeba 1	0.19	0.44	0.83	0.58	0.15	1.00	1.00	0.55	0.41	0.43	0.15	0.10	0.38	4
叶巴2号 Yeba 2	0.66	0.63	0.57	0.34	0.42	0.64	0.93	0.09	0.46	0.56	0.15	0.08	0.35	7
叶巴3号 Yeba 3	0.49	0.25	0.66	0.31	0.26	0.46	0.99	0.55	0.30	0.77	0.11	0.07	0.35	5
则拉1号 Zela 1	0.71	0.16	0.00	0.63	0.60	0.11	0.55	0.93	0.17	0.26	0.05	0.07	0.28	15
则拉3号 Zela 3	0.38	0.66	0.62	0.12	0.59	0.45	0.38	0.35	0.62	0.43	0.14	0.17	0.34	8
则拉4号 Zela 4	1.00	0.68	0.56	0.81	0.28	0.57	0.06	0.40	0.44	0.59	0.04	0.10	0.33	10
珠拉1号 Zhula 1	0.39	0.16	0.86	0.71	0.56	0.59	0.68	0.27	1.00	0.49	1.00	1.00	0.76	1
珠拉2号 Zhula 2	0.58	0.12	0.81	0.67	0.67	0.81	0.29	0.02	0.11	0.05	0.02	0.01	0.19	20

Table 4

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Comprehensive evaluation on important traits of wild pomegranate fruits from Tibet

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指标index	SFW	FSI	PT	SH	HGW	RS	SS	TSS	TA	VC	SS/TA	TSS/TA
SFW	1.00
FSI	0.97^**	1.00
PT	0.96^**	0.93^**	1.00
SH	0.22	0.08	0.44^*	1.00
HGW	0.45^*	0.52^*	0.41	-0.14	1.00
RS	0.28	0.34	0.25	-0.12	0.17	1.00
SS	-0.45^**	-0.35	-0.31	0.01	-0.06	-0.20	1.00
TSS	-0.21	-0.23	-0.27	-0.15	0.17	-0.11	-0.07	1.00
TA	0.06	0.14	-0.01	-0.37	0.27	0.19	-0.25	0.54^**	1.00
VC	-0.15	-0.16	-0.16	-0.05	0.23	-0.57^**	0.31	0.35	-0.09	1.00
SS/TA	-0.07	-0.10	-0.10	-0.27	-0.23	0.34	-0.22	-0.04	0.47^*	-0.72^**	1.00
TSS/TA	-0.17	-0.16	-0.10	0.13	0.08	-0.33	-0.04	0.16	0.13	0.18	-0.27	1.00

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