Phenotypic variation and resource value evaluation of natural hybrid progenies of seventeen Huangjinju tea plants

doi:10.3969/j.issn.1004-1524.2021.02.13

Acta Agriculturae Zhejiangensis ›› 2021, Vol. 33 ›› Issue (2): 298-307.DOI: 10.3969/j.issn.1004-1524.2021.02.13

• Horticultural Science • Previous Articles Next Articles

Phenotypic variation and resource value evaluation of natural hybrid progenies of seventeen Huangjinju tea plants

WANG Zhihui¹^,²(), PENG Hua¹^,², YANG Puxiang¹^,²^,^*(), JIANG Xinfeng¹^,², LI Wenjin¹^,², YUE Cuinan¹^,², LI Chen, LI Yansheng¹^,²

1. Jiangxi Sericulture and Tea Research Institute/Key Laboratory of Tea Quality and Safety Control in Jiangxi Province, Nanchang 330202, China
2. Jiangxi Economic Crop Research Institute, Nanchang 330202, China

Received:2020-08-26 Online:2021-02-25 Published:2021-02-25
Contact: YANG Puxiang

Abstract

Abstract:

The phenotypic characters of natural hybrids of yellow tea variety Huangjinju are different, in order to explore the phenotypic variation and diversity of them, excellent individual plants were screened. The variation and diversity of 23 phenotypic traits of 17 individuals from natural hybrid progenies were analyzed, and excellent phenotypic plants were screened, and the biochemical quality was evaluated by principal component analysis. The results showed that the variation coefficient of descriptive characters of natural hybrids ranged from 0 to 57.23%, with an average value of 33.88%. The diversity index ranged from 0 to 1.78, with an average of 0.81; Among them, there were no variation in tree type and tree posture, and the color variation of bud and leaf was the largest; The variation coefficient of quantitative traits ranged from 10.33% to 19.82%, with an average of 14.68%. The diversity index ranged from 1.14 to 1.95, with an average of 1.75. The contents of free amino acids and simple catechins of some individual plants were significantly increased by natural hybridization, while the contents of tea polyphenols, total catechins and ester catechins were significantly decreased. There was no significant difference in caffeine among the excellent phenotypic plants (P>0.05). Finally, five plants with better phenotypic and biochemical quality were selected by principal component analysis, the buds of HJJ-12 and HJJ-1 were green, those of HJJ-7 and HJJ-11 were yellow, and that of HJJ-17 was purple.

Key words: tea plant, Huangjinju, hybrid offspring, phenotype, coefficient of variation, diversity index

CLC Number:

WANG Zhihui, PENG Hua, YANG Puxiang, JIANG Xinfeng, LI Wenjin, YUE Cuinan, LI Chen, LI Yansheng. Phenotypic variation and resource value evaluation of natural hybrid progenies of seventeen Huangjinju tea plants[J]. Acta Agriculturae Zhejiangensis, 2021, 33(2): 298-307.

Figures/Tables 7

References 24

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性状 Character	性状描述(株、百分比) Character description (plant, percentage)	变异系数 Coefficient of variation/%	多样性指数 Diversity index
生长势 Growth momentum	强(5、29%);中(7、41%);弱(5、29%) Strong (5, 29%); medium (7, 41%); weak (5, 29%)	39.55	1.08
物候期 Phenophase	早(4、24%);中(6、35%);晚(7、41%) Early (4, 24%); medium (6, 35%); late (7, 41%)	44.45	1.07
树型 Tree type	灌木型(17、100%) Shrub type (17, 100%)	0	0
树姿 Tree posture	开张(17、100%) Open (17, 100%)	0	0
叶片大小 Leaf size	中叶(4、24%);小叶(13、76%) Middle lobe (4, 24%); lobule (13, 76%)	35.24	0.55
叶片着生状态 Leaf setting state	上斜(14、82%);平(3、18%) Upslope(14, 82%);flat(3, 18%)	21.59	0.47
叶形 Leaf shape	近圆形(1、6%);椭圆形(11、65%);长椭圆形(5、29%) Near circle(1, 6%);oval (11, 65%); long oval (5, 29%)	31.93	0.81
叶色 Leaf color	深绿(6、35%);绿(4、24%);浅绿(5、29%);黄绿(2、12%) Dark green (6, 35%); green (4, 24%); light green (5, 29%); yellow green (2, 12%)	38.09	1.32
叶基 Leaf base	近圆形(13、76%);楔形(4、24%) Near circle(13, 76%);wedge shaped (4, 24%)	24.83	0.55
叶身 Leaf body	平(3、18%);内折(14、82%) Flat(3, 18%);Inner fold (14, 82%)	33.31	0.47
叶尖 Leaf tip	钝尖(7、41%);渐尖(7、41%);急尖(3、18%) Obtuse (7, 41%); gradual (7, 41%); acute (3, 18%)	33.57	1.04
叶面 Leaf surface	隆起(2、12%);微隆起(8、47%);平(7、41%) Uplift (2, 12%); micro uplift (8, 47%); flat (7, 41%)	40.12	0.97
叶缘 Leaf margin	波(2、12%);微波(5、29%);平(10、59%) Wave (2, 12%); microwave (5, 29%); flat (10, 59%)	46.86	0.92
叶质 Leaf quality	硬(2、12%);中(8、47%);柔软(7、41%) Hard (2, 12%); medium (8, 47%); soft (7, 41%)	40.12	0.97
叶齿形态 Morphology of leaf teeth	重锯齿形(1、6%);锯齿形(9、53%);少齿形(7、41%) Double serrated (1, 6%); serrated (9, 53%); few serrated (7, 41%)	36.73	0.88
芽叶茸毛 Pubescens	多(3、18%);中(3、18%);少(11、64%) More (3, 18%); medium (3, 18%); less (11, 64%)	52.29	0.89
芽叶色泽 Color of bud and leaf	深绿色(2、12%);绿色(5、29%);浅绿色(1、6%);黄绿(3、18%);浅黄色(1、6%); 黄色(3、18%);紫黄色(1、6%);紫色(1、6%) Dark green (2, 12%); green (5, 29%); light green (1, 6%); yellow green (3, 18%); light yellow (1, 6%); yellow (3, 18%); purple yellow (1, 6%); purple (1, 6%)	57.23	1.78

性状 Character	性状描述(株、百分比) Character description (plant, percentage)	变异系数 Coefficient of variation/%	多样性指数 Diversity index
生长势 Growth momentum	强(5、29%);中(7、41%);弱(5、29%) Strong (5, 29%); medium (7, 41%); weak (5, 29%)	39.55	1.08
物候期 Phenophase	早(4、24%);中(6、35%);晚(7、41%) Early (4, 24%); medium (6, 35%); late (7, 41%)	44.45	1.07
树型 Tree type	灌木型(17、100%) Shrub type (17, 100%)	0	0
树姿 Tree posture	开张(17、100%) Open (17, 100%)	0	0
叶片大小 Leaf size	中叶(4、24%);小叶(13、76%) Middle lobe (4, 24%); lobule (13, 76%)	35.24	0.55
叶片着生状态 Leaf setting state	上斜(14、82%);平(3、18%) Upslope(14, 82%);flat(3, 18%)	21.59	0.47
叶形 Leaf shape	近圆形(1、6%);椭圆形(11、65%);长椭圆形(5、29%) Near circle(1, 6%);oval (11, 65%); long oval (5, 29%)	31.93	0.81
叶色 Leaf color	深绿(6、35%);绿(4、24%);浅绿(5、29%);黄绿(2、12%) Dark green (6, 35%); green (4, 24%); light green (5, 29%); yellow green (2, 12%)	38.09	1.32
叶基 Leaf base	近圆形(13、76%);楔形(4、24%) Near circle(13, 76%);wedge shaped (4, 24%)	24.83	0.55
叶身 Leaf body	平(3、18%);内折(14、82%) Flat(3, 18%);Inner fold (14, 82%)	33.31	0.47
叶尖 Leaf tip	钝尖(7、41%);渐尖(7、41%);急尖(3、18%) Obtuse (7, 41%); gradual (7, 41%); acute (3, 18%)	33.57	1.04
叶面 Leaf surface	隆起(2、12%);微隆起(8、47%);平(7、41%) Uplift (2, 12%); micro uplift (8, 47%); flat (7, 41%)	40.12	0.97
叶缘 Leaf margin	波(2、12%);微波(5、29%);平(10、59%) Wave (2, 12%); microwave (5, 29%); flat (10, 59%)	46.86	0.92
叶质 Leaf quality	硬(2、12%);中(8、47%);柔软(7、41%) Hard (2, 12%); medium (8, 47%); soft (7, 41%)	40.12	0.97
叶齿形态 Morphology of leaf teeth	重锯齿形(1、6%);锯齿形(9、53%);少齿形(7、41%) Double serrated (1, 6%); serrated (9, 53%); few serrated (7, 41%)	36.73	0.88
芽叶茸毛 Pubescens	多(3、18%);中(3、18%);少(11、64%) More (3, 18%); medium (3, 18%); less (11, 64%)	52.29	0.89
芽叶色泽 Color of bud and leaf	深绿色(2、12%);绿色(5、29%);浅绿色(1、6%);黄绿(3、18%);浅黄色(1、6%); 黄色(3、18%);紫黄色(1、6%);紫色(1、6%) Dark green (2, 12%); green (5, 29%); light green (1, 6%); yellow green (3, 18%); light yellow (1, 6%); yellow (3, 18%); purple yellow (1, 6%); purple (1, 6%)	57.23	1.78

性状 Character	极小值 Minimum	极大值 Maximum	均值 Mean value	标准差 Standard deviation	变异系数 Coefficient of variation/%	多样性指数 Diversity index
叶长Leaf length/cm	6.50	9.10	7.69	0.79	10.33	1.84
叶宽Leaf width/cm	2.50	3.80	3.37	0.37	10.94	1.84
叶面积Leaf area/cm²	12.40	24.40	18.28	3.25	17.77	1.81
叶脉对数Vein number	6.00	9.00	7.35	0.79	10.69	1.14
单芽长Single bud length/cm	1.30	2.80	2.08	0.41	19.82	1.92
一芽二叶长Length of one bud and two leave/cm	2.00	4.10	3.17	0.59	18.52	1.95

性状 Character	极小值 Minimum	极大值 Maximum	均值 Mean value	标准差 Standard deviation	变异系数 Coefficient of variation/%	多样性指数 Diversity index
叶长Leaf length/cm	6.50	9.10	7.69	0.79	10.33	1.84
叶宽Leaf width/cm	2.50	3.80	3.37	0.37	10.94	1.84
叶面积Leaf area/cm²	12.40	24.40	18.28	3.25	17.77	1.81
叶脉对数Vein number	6.00	9.00	7.35	0.79	10.69	1.14
单芽长Single bud length/cm	1.30	2.80	2.08	0.41	19.82	1.92
一芽二叶长Length of one bud and two leave/cm	2.00	4.10	3.17	0.59	18.52	1.95

样品 Sample	水浸出物 Water extract/%	游离氨基酸 Free amino acid/%	咖啡碱 Caffeine/%	茶多酚 Tea polyphenols/%	酚氨比 Phenol ammonia ratio	酯型儿茶素 Ester catechin/%
HJJ-1	37.25±2.08 bc	3.34±0.44 b	4.07±0.35 a	17.37±1.68 bc	5.20±0.15 b	8.67±0.89 c
HJJ-7	39.33±1.72 b	3.67±0.24 b	4.16±0.50 a	16.93±1.63 c	4.62±0.11 c	8.38±1.27 c
HJJ-9	44.84±1.88 a	4.43±0.42 a	4.55±0.52 a	21.39±2.30 ab	4.83±0.05 bc	12.94±1.08 b
HJJ-11	39.14±2.00 b	3.63±0.27 b	4.13±0.66 a	17.88±0.72 bc	4.92±0.14 bc	8.96±1.12 c
HJJ-12	35.67±1.97 c	4.43±0.42 a	4.57±0.69 a	15.32±1.88 c	3.46±0.08 e	7.96±1.23 c
HJJ-14	44.82±2.21 a	4.47±0.51 a	4.66±0.46 a	19.59±0.43 b	4.38±0.33 d	13.63±0.85 ab
HJJ-17	44.50±1.99 a	3.64±0.35 b	4.11±0.51 a	17.72±0.39 bc	4.87±0.30 bc	9.19±0.74 c
黄金菊Huangjinju	43.06±1.86 a	3.45±0.27 b	4.53±0.26 a	22.48±0.53 a	6.51±0.29 a	15.19±0.76 a
样品 Sample	简单儿茶素 Simple catechins/%	总儿茶素 Total catechins/%	苦涩味指数 CBTT	GA/%	CG/%	EGC/%
HJJ-1	4.10±0.32 b	12.77±1.21 c	6.45±0.08 e	0.23±0.02 b	0.15±0.01 c	2.31±0.21 b
HJJ-7	4.40±0.26 b	12.78±1.53 c	6.63±0.34 e	0.22±0.01 b	0.17±0.02 c	2.63±0.15 ab
HJJ-9	4.77±0.32 a	17.71±1.40 b	9.06±0.01 c	0.26±0.03 b	0.25±0.03 a	2.82±0.20 a
HJJ-11	4.40±0.42 b	13.36±1.54 c	7.51±0.18 d	0.24±0.03 b	0.15±0.02 c	2.77±0.32 a
HJJ-12	3.70±0.26 c	11.67±1.49 c	5.85±0.36 f	0.23±0.02 b	0.14±0.01 cd	1.96±0.16 c
HJJ-14	3.91±0.26 c	17.55±1.11b	10.72±0.12a	0.40±0.04 a	0.21±0.03 b	2.27±0.16 bc
HJJ-17	3.78±0.23 c	12.97±0.97 c	4.69±0.12 g	0.42±0.04 a	0.11±0.01 d	1.51±0.13d
黄金菊Huangjinju	3.72±0.16 c	18.91±0.92 a	9.31±0.03 b	0.26±0.03 b	0.14±0.01 cd	1.87±0.10 c
样品Sample	C/%	EC/%	EGCG/%	GCG/%	ECG/%
HJJ-1	0.75±0.06 c	0.89±0.11 ab	6.73±0.84 b	0.55±0.06 c	1.38±0.19 b
HJJ-7	0.74±0.07 c	0.86±0.08 ab	6.67±1.27 b	0.58±0.08 c	1.13±0.21 b
HJJ-9	0.71±0.04 cd	0.98±0.12 a	10.44±0.99 a	0.71±0.13 bc	1.79±0.21 a
HJJ-11	0.61±0.06 d	0.87±0.11 ab	7.06±1.03 b	0.73±0.11 bc	1.17±0.23 b
HJJ-12	0.75±0.11 c	0.86±0.04 ab	5.98±1.13 b	0.63±0.09 bc	1.36±0.29 b
HJJ-14	0.57±0.08 d	0.87±0.05 ab	10.88±0.84 a	0.77±0.05 b	1.99±0.14 a
HJJ-17	1.30±0.07 a	0.86±0.07 ab	7.13±0.70 b	0.68±0.07 bc	1.38±0.14 b
黄金菊Huangjinju	0.96±0.05 b	0.75±0.04 b	12.04±0.67 a	1.29±0.14 a	1.85±0.13 a

Phenotypic variation and resource value evaluation of natural hybrid progenies of seventeen Huangjinju tea plants

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