重庆老鹰茶种质资源调查与评价

doi:10.3969/j.issn.1004-1524.2022.03.04

浙江农业学报 ›› 2022, Vol. 34 ›› Issue (3): 447-456.DOI: 10.3969/j.issn.1004-1524.2022.03.04

重庆老鹰茶种质资源调查与评价

戴前莉¹(), 朱恒星¹^,^*(), 卢敏¹, 黄飞逸¹, 陈本文¹, 陈琴², 尹思琴³, 祝元春⁴

1.重庆市林业科学研究院,重庆 400036
2.重庆市沙坪坝区农业技术服务中心,重庆 400030
3.重庆市巴南区桥口坝林场,重庆401320
4.重庆瀚业园林工程有限公司,重庆 400036

收稿日期:2021-07-20 出版日期:2022-03-25 发布日期:2022-03-30
通讯作者: 朱恒星
作者简介:*朱恒星,E-mail: 17249643@qq.com
戴前莉(1988—),女,安徽全椒人,硕士,林业工程师,主要从事老鹰茶资源发掘、选育与利用研究。E-mail: daiqianli126@126.com
基金资助:
重庆市技术创新与应用发展专项(cstc2019jscx-msxmX0409)

Investigation and evaluation of Litsea coreana germplasm resources in Chongqing

DAI Qianli¹(), ZHU Hengxing¹^,^*(), LU Min¹, HUANG Feiyi¹, CHEN Benwen¹, CHEN Qin², YIN Siqin³, ZHU Yuanchun⁴

1. Chongqing Academy of Forestry, Chongqing 400036, China
2. Chongqing Shapingba District Agricultural Technology Service Center, Chongqing 400030, China
3. Chongqing Banan District Qiaokouba Forestry Station, Chongqing 401320, China
4. Chongqing Hanye Landscape Engineering Co., Ltd., Chongqing 400036, China

Received:2021-07-20 Online:2022-03-25 Published:2022-03-30
Contact: ZHU Hengxing

摘要/Abstract

摘要：

为客观准确评价重庆市老鹰茶种质资源情况,调查了123份老鹰茶种质资源的生长势、芽叶颜色、发芽密度等形态指标,对其中27份种质的水浸出物、茶多酚、总黄酮、游离氨基酸和可溶性糖等生化成分含量进行分析,并利用等级评分法和因子分析法对老鹰茶种质资源进行综合评价。结果表明:27份种质的平均水浸出物含量为29.25%,WX18的水浸出物含量最高,达37.10%,WL32最低,为22.60%;平均茶多酚含量为11.25%,WX4茶多酚含量最高,为14.07%,NC2最低,为9.87%;平均总黄酮含量为1.65%,WX22总黄酮含量最高,为2.66%,NC9最低,为1.03%;平均游离氨基酸含量为0.98%,WX12游离氨基酸含量最高,为1.40%,WX22最低,为0.73%;平均可溶性糖含量为4.73%,WX18含量最高,为6.35%,WL30最低,为3.06%。不同老鹰茶种质资源水浸出物、茶多酚、总黄酮、游离氨基酸、可溶性糖含量存在差异,可作为种质资源评价的初选指标。综合评价排名前5的依次为WX18、WX22、WX20、WL40、WX21。WX18和WX22可作为紫红色新芽种质,WX20和WX21可作为粉色新芽种质,WL40可作为黄绿色新芽种质。

关键词: 老鹰茶, 种质资源, 生化成分, 形态指标

Abstract:

To objectively evaluate germplasm resources of Litsea coreana in Chongqing,morphological indexes of 123 germplasm resources were investigated. 27 germplasm resources were selected to determine the water extract, tea phoyphenol, total flavonoid, free amino acid and soluble sugar contents.The ranking of biochemical indexes assessment for different germplasm resources was determined by grade and factor evaluating methods. Among these germplasm resources, the average content of water extract was 29.25%, while the maximum was 37.10% (WX18) and the minimum was 22.60%(WL32). The average content of tea phoyphenol was 11.25%, while the maximum was 14.07%(WX4) and the minimum was 9.87%(NC2). The average content of total flavonoid was 1.65%, while the maximum was 2.66%(WX22) and the minimum was 1.03%(NC9).The average content of free amino acid was 0.98%, while the maximum was 1.40%(WX12) and the minimum was 0.73%(WX22). The average content of soluble sugar was 4.73%, while the maximum was 6.35%(WX18) and the minimum was 3.06%(WL30).There were differences in contents of water extract, tea phoyphenol, total flavonoid, free amino acid and soluble sugar among the fresh leaves from different Litsea coreana germplasm resources. These biochemical indexes could be used as indicators for the preliminary evaluation of the germplasm resources.WX18, WX22, WX20, WL40 and WX21 were the top 5 in overall ranking,they were considered as elite germplasm resources.WX18 and WX22 could be used as red-purple bud germplasm resources, WX20 and WX21 could be used as pink bud germplasm resources, and WL40 could be used as new yellow-green bud germplasm.

Key words: Litsea coreana, germplasm, biochemical components, factor evaluation

中图分类号:

S571.1

戴前莉, 朱恒星, 卢敏, 黄飞逸, 陈本文, 陈琴, 尹思琴, 祝元春. 重庆老鹰茶种质资源调查与评价[J]. 浙江农业学报, 2022, 34(3): 447-456.

DAI Qianli, ZHU Hengxing, LU Min, HUANG Feiyi, CHEN Benwen, CHEN Qin, YIN Siqin, ZHU Yuanchun. Investigation and evaluation of Litsea coreana germplasm resources in Chongqing[J]. Acta Agriculturae Zhejiangensis, 2022, 34(3): 447-456.

图/表 8

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级别Grade	叶片Leaf	枝条Branch	树干Trunk
优 Excellent	R>95%	枝条正常生长,新稍数量多 Branches grow normally with more new branches	树干完好,无病虫害 Intact trunk, no pests and diseases
良 Good	80%<R≤95%	枝条正常生长,新稍数量较多,少量枯枝条 Branches grow normally with new branches and few dead branches	树干基本完好,局部少量轻伤或病虫害 Trunk basically intact, few injuries, pests and diseases
中 Fair	50%<R≤80%	新稍生长偏弱,枯枝条较多 New branches grow weakness with more dead branches	树干整体均存在轻伤或病虫害 Trunk with injuries, pests and diseases
差 Poor	R<50%	大部分枝条干枯 Most branches dead	树干病害严重,有坏死、干朽、凹洞 Trunk with serious pests, diseases, necrosis, dry rot and hollow

级别Grade	叶片Leaf	枝条Branch	树干Trunk
优 Excellent	R>95%	枝条正常生长,新稍数量多 Branches grow normally with more new branches	树干完好,无病虫害 Intact trunk, no pests and diseases
良 Good	80%<R≤95%	枝条正常生长,新稍数量较多,少量枯枝条 Branches grow normally with new branches and few dead branches	树干基本完好,局部少量轻伤或病虫害 Trunk basically intact, few injuries, pests and diseases
中 Fair	50%<R≤80%	新稍生长偏弱,枯枝条较多 New branches grow weakness with more dead branches	树干整体均存在轻伤或病虫害 Trunk with injuries, pests and diseases
差 Poor	R<50%	大部分枝条干枯 Most branches dead	树干病害严重,有坏死、干朽、凹洞 Trunk with serious pests, diseases, necrosis, dry rot and hollow

编号 Code	地名 Locaiton	海拔 Altitude/ m	经度 Longitude	纬度 Latitude	树高 Height/m	冠幅 Crown diameter/m	芽叶颜色 Bud color	叶缘形态 Leaf margin	叶形 Leaf shape	叶尖 Leaf apex	发芽密度 Sprouting density/m^-2
QJ1	姚家湾 Yaojiawan	516.60	108°42'37″	29°08'58″	3.20	2.0×2.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	760.0 ±55.7
NC2	三泉村 Sanquan Village	872.30	107°13'23″	29°08'16″	3.30	1.5×1.5	黄绿色 Yellow-green	微波折 Microwave	披针形 Lanceolate	渐尖 Acuminate	600.0 ±88.9
NC5	马嘴新村 Maxinzui Village	1118.23	107°18'19″	29°13'12″	4.40	1.5×1.5	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	670.0 ±45.8
NC9	马嘴新村 Maxinzui Village	1118.23	107°18'19″	29°13'12″	3.60	2.0×2.0	粉色 Pink	平 Flat	长椭圆形 Long oval	渐尖 Acuminate	830.0 ±50.0
FL3	大院子村 Dayuanzi Village	573.82	107°03'22″	29°42'51″	13.50	6.0×6.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	836.7 ±50.3
WX4	莲花村 Lianhua Village	682.29	109°33'08″	31°18'21″	6.60	3.0×3.0	黄绿色 Yellow-green	平 Flat	椭圆形 Oval	渐尖 Acuminate	823.3 ±90.7
WX5	莲花村 Lianhua Village	683.46	109°33'18″	31°18'21″	6.20	2.0×2.0	紫红色 Red-purple	平 Flat	披针形 Lanceolate	渐尖 Acuminate	846.7 ±47.3
WX7	莲花村 Lianhua Village	627.84	109°33'11″	31°18'14″	5.40	1.0×1.0	紫红色 Red-purple	平 Flat	长椭圆形 Long oval	钝尖 Acuminate	760.0 ±87.2
WX9	莲花村 Lianhua Village	627.06	109°33'11″	31°18'14″	9.60	5.0×5.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	820.0 ±43.6
WX12	莲花村 Lianhua Village	625.06	109°33'11″	31°18'14″	8.10	3.0×3.0	粉色 Pink	平 Flat	披针形 Lanceolate	钝尖 Acuminate	756.7 ±30.6
WX14	莲花村 Lianhua Village	629.44	109°33'11″	31°18'14″	7.40	3.0×3.0	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	730.0 ±62.5
WX17	莲花村 Lianhua Village	624.06	109°33'11″	31°18'14″	8.40	2.0×2.0	粉色 Pink	平 Flat	椭圆形 Oval	渐尖 Acuminate	830.0 ±55.7
WX18	莲花村 Lianhua Village	624.06	109°33'11″	31°18'14″	6.50	3.0×3.0	紫红色 Red-purple	平 Flat	披针形 Lanceolate	渐尖 Acuminate	710.0 ±95.4
WX20	莲花村 Lianhua Village	627.88	109°33'11″	31°18'14″	7.20	2.0×2.0	粉色 Pink	微波折 Microwave	长椭圆形 Long oval	钝尖 Blunt	796.7 ±47.3
WX21	莲花村 Lianhua Village	627.03	109°33'11″	31°18'14″	7.40	2.0×2.0	粉色 Pink	微波折 Microwave	披针形 Lanceolate	渐尖 Acuminate	790.0 ±10.0
WX22	莲花村 Lianhua Village	627.06	109°33'11″	31°18'14″	8.30	3.0×3.0	紫红色 Pink	平 Flat	椭圆形 Oval	渐尖 Acuminate	846.7 ±30.6
WL20	广平村 Guangping Village	773.24	107°43'03″	29°15'50″	4.90	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	796.7 ±47.3
WL23	广平村 Guangping Village	779.68	107°43'04″	29°15'50″	3.80	1.5×1.5	粉色 Pink	平 Flat	椭圆形 Oval	钝尖 Blunt	766.7 ±85.1
WL25	接观村 Jieguan Village	936.13	107°48'05″	29°06'08″	5.60	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	823.3 ±20.8
WL26	接观村 Jieguan Village	936.13	107°48'51″	19°06'08″	8.70	6.0×6.0	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	833.3 ±61.1
WL30	浩口二社 Haokouershe	889.16	107°50'37″	29°04'47″	1.50	1.0×1.0	紫红色 Red-purple	平 Flat	椭圆形 Oval	渐尖 Acuminate	830.0 ±36.1
WL31	浩口二社 Haokouershe	889.16	107°50'37″	29°04'47″	2.60	1.5×1.5	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	783.3 ±20.8
WL32	浩口二社 Haokouershe	889.16	107°50'37″	29°04'47″	3.40	1.0×1.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	793.3 ±51.3
WL33	浩口二社 Haokouershe	892.16	107°50'37″	29°04'48″	3.80	2.0×2.0	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	816.7 ±55.1
WL34	浩口三社 Haokousanshe	1007.70	107°51'06″	29°03'45″	4.30	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	810.0 ±20.0
WL35	浩口三社 Haokousanshe	1007.70	107°51'06″	29°03'45″	4.50	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	773.3 ±23.1
WL40	浩口三社 Haokousanshe	1005.30	107°51'06″	29°03'45″	4.40	3.0×3.0	黄绿色 Yellow-green	平 Flat	长椭圆形 Long oval	渐尖 Acuminate	720.0 ±43.6

编号 Code	地名 Locaiton	海拔 Altitude/ m	经度 Longitude	纬度 Latitude	树高 Height/m	冠幅 Crown diameter/m	芽叶颜色 Bud color	叶缘形态 Leaf margin	叶形 Leaf shape	叶尖 Leaf apex	发芽密度 Sprouting density/m^-2
QJ1	姚家湾 Yaojiawan	516.60	108°42'37″	29°08'58″	3.20	2.0×2.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	760.0 ±55.7
NC2	三泉村 Sanquan Village	872.30	107°13'23″	29°08'16″	3.30	1.5×1.5	黄绿色 Yellow-green	微波折 Microwave	披针形 Lanceolate	渐尖 Acuminate	600.0 ±88.9
NC5	马嘴新村 Maxinzui Village	1118.23	107°18'19″	29°13'12″	4.40	1.5×1.5	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	670.0 ±45.8
NC9	马嘴新村 Maxinzui Village	1118.23	107°18'19″	29°13'12″	3.60	2.0×2.0	粉色 Pink	平 Flat	长椭圆形 Long oval	渐尖 Acuminate	830.0 ±50.0
FL3	大院子村 Dayuanzi Village	573.82	107°03'22″	29°42'51″	13.50	6.0×6.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	836.7 ±50.3
WX4	莲花村 Lianhua Village	682.29	109°33'08″	31°18'21″	6.60	3.0×3.0	黄绿色 Yellow-green	平 Flat	椭圆形 Oval	渐尖 Acuminate	823.3 ±90.7
WX5	莲花村 Lianhua Village	683.46	109°33'18″	31°18'21″	6.20	2.0×2.0	紫红色 Red-purple	平 Flat	披针形 Lanceolate	渐尖 Acuminate	846.7 ±47.3
WX7	莲花村 Lianhua Village	627.84	109°33'11″	31°18'14″	5.40	1.0×1.0	紫红色 Red-purple	平 Flat	长椭圆形 Long oval	钝尖 Acuminate	760.0 ±87.2
WX9	莲花村 Lianhua Village	627.06	109°33'11″	31°18'14″	9.60	5.0×5.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	820.0 ±43.6
WX12	莲花村 Lianhua Village	625.06	109°33'11″	31°18'14″	8.10	3.0×3.0	粉色 Pink	平 Flat	披针形 Lanceolate	钝尖 Acuminate	756.7 ±30.6
WX14	莲花村 Lianhua Village	629.44	109°33'11″	31°18'14″	7.40	3.0×3.0	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	730.0 ±62.5
WX17	莲花村 Lianhua Village	624.06	109°33'11″	31°18'14″	8.40	2.0×2.0	粉色 Pink	平 Flat	椭圆形 Oval	渐尖 Acuminate	830.0 ±55.7
WX18	莲花村 Lianhua Village	624.06	109°33'11″	31°18'14″	6.50	3.0×3.0	紫红色 Red-purple	平 Flat	披针形 Lanceolate	渐尖 Acuminate	710.0 ±95.4
WX20	莲花村 Lianhua Village	627.88	109°33'11″	31°18'14″	7.20	2.0×2.0	粉色 Pink	微波折 Microwave	长椭圆形 Long oval	钝尖 Blunt	796.7 ±47.3
WX21	莲花村 Lianhua Village	627.03	109°33'11″	31°18'14″	7.40	2.0×2.0	粉色 Pink	微波折 Microwave	披针形 Lanceolate	渐尖 Acuminate	790.0 ±10.0
WX22	莲花村 Lianhua Village	627.06	109°33'11″	31°18'14″	8.30	3.0×3.0	紫红色 Pink	平 Flat	椭圆形 Oval	渐尖 Acuminate	846.7 ±30.6
WL20	广平村 Guangping Village	773.24	107°43'03″	29°15'50″	4.90	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	796.7 ±47.3
WL23	广平村 Guangping Village	779.68	107°43'04″	29°15'50″	3.80	1.5×1.5	粉色 Pink	平 Flat	椭圆形 Oval	钝尖 Blunt	766.7 ±85.1
WL25	接观村 Jieguan Village	936.13	107°48'05″	29°06'08″	5.60	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	823.3 ±20.8
WL26	接观村 Jieguan Village	936.13	107°48'51″	19°06'08″	8.70	6.0×6.0	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	833.3 ±61.1
WL30	浩口二社 Haokouershe	889.16	107°50'37″	29°04'47″	1.50	1.0×1.0	紫红色 Red-purple	平 Flat	椭圆形 Oval	渐尖 Acuminate	830.0 ±36.1
WL31	浩口二社 Haokouershe	889.16	107°50'37″	29°04'47″	2.60	1.5×1.5	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	783.3 ±20.8
WL32	浩口二社 Haokouershe	889.16	107°50'37″	29°04'47″	3.40	1.0×1.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	793.3 ±51.3
WL33	浩口二社 Haokouershe	892.16	107°50'37″	29°04'48″	3.80	2.0×2.0	粉色 Pink	平 Flat	披针形 Lanceolate	渐尖 Acuminate	816.7 ±55.1
WL34	浩口三社 Haokousanshe	1007.70	107°51'06″	29°03'45″	4.30	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	810.0 ±20.0
WL35	浩口三社 Haokousanshe	1007.70	107°51'06″	29°03'45″	4.50	3.0×3.0	黄绿色 Yellow-green	平 Flat	披针形 Lanceolate	渐尖 Acuminate	773.3 ±23.1
WL40	浩口三社 Haokousanshe	1005.30	107°51'06″	29°03'45″	4.40	3.0×3.0	黄绿色 Yellow-green	平 Flat	长椭圆形 Long oval	渐尖 Acuminate	720.0 ±43.6

编号 Code	水浸出物 Water extract	茶多酚 Total phoyphenol	总黄酮 Total flavonoid	游离氨基酸 Free amino acid	可溶性糖 Soluble sugar
QJ1	30.00±0.28 efgh	11.92±0.15 efg	1.92±0.03 e	0.80±0.06 hi	3.82±0.08 lm
FL3	32.80±2.55 bc	12.36±0.27 def	1.57±0.02 ijk	1.02±0 efgh	4.56±0 ij
NC2	28.00±0.28 ghi	9.87±0.07 n	2.63±0.05 a	0.89±0.01 cd	5.36±0.22 c
NC5	25.90±0.71 ij	10.65±0.22 m	1.16±0.03 p	0.93±0.07 def	5.82±0.18 b
NC9	24.50±0.42 jk	10.73±0.13 m	1.03±0.02 q	1.06±0.15 b	3.56±0.04 n
WL20	28.90±1.27 gh	12.28±0.18 efg	1.51±0.04 klm	0.98±0.01 cde	5.38±0.05 c
WL23	29.20±1.41 gh	12.04±0.20 fgh	1.80±0.12 f	1.25±0.04 b	5.41±0.14 c
WL25	29.50±0.14 fgh	11.43±0.06 hijk	1.52±0.03 klm	1.19±0.02 b	4.95±0.18 ef
WL26	29.60±1.13 fgh	11.95±0.04 ghij	1.62±0.03 hi	0.88±0.02 efgh	5.99±0.17 b
WL30	24.90±0.71 jk	11.77±0.08 hijk	1.47±0.04 m	1.02±0.03 cd	3.06±0.05 o
WL31	31.90±0.42 bcdef	11.72±0.31 hijk	1.83±0.01 f	0.84±0.01 fghi	4.85±0.02 fg
WL32	22.60±1.98 k	10.77±0.15 lm	1.66±0.01 gh	0.90±0.04 efgh	3.57±0.11 n
WL33	25.90±1.27 ij	11.04±0.12 lm	1.70±0.02 g	0.85±0.02 fgh	3.07±0.08 o
WL34	26.10±0.99 ij	11.70±0.06 jk	1.26±0.01 o	0.93±0.03 defg	3.99±0.06 l
WL35	29.70±0.71 fgh	12.31±0.15 ghi	1.59±0.05 ij	1.23±0.01 b	3.69±0.08 mn
WL40	30.50±0.71 cdefg	12.49±0.12 cd	2.10±0.02 d	0.95±0.02 def	5.12±0.09 de
WX4	27.42±0.58 hi	14.07±0.18 a	1.49±0.03 lm	1.08±0.02 c	4.73±0.09 ghi
WX5	30.00±0 efgh	12.21±0.09 efg	1.54±0.02 jkl	1.04±0.01 cd	5.10±0.05 de
WX7	29.60±0.85 fgh	12.86±0.16 cd	1.32±0.02 n	1.02±0.02 cd	4.66±0.13 hij
WX9	30.49±1.75 cdefg	11.32±0.02 kl	1.18±0.01 p	0.94±0.03 def	4.99±0.08 ef
WX12	30.10±0.42 cdef	11.59±0.17 ijk	1.04±0.01 q	1.40±0.04 a	4.49±0.06 j
WX14	28.40±1.41 ghi	12.13±0.06 efg	1.19±0.01 p	1.20±0.03 b	4.90±0.07 fg
WX17	28.40±0.00 ghi	12.80±0.10 de	1.47±0.02 m	0.82±0.01 ghi	4.22±0.11 k
WX18	37.10±1.27 a	13.35±0.08 b	2.16±0.02 c	0.82±0.01 ghi	6.35±0.17 a
WX20	33.20±1.41 b	13.28±0.16 b	2.47±0.04 b	0.87±0.00 fgh	4.84±0.05 fgh
WX21	32.60±1.13 bcd	13.01±0.03 bc	1.62±0.02 hi	0.74±0 i	5.26±0.05 cd
WX22	32.50±0.99 bcde	12.50±0.07 cd	2.66±0.02 a	0.73±0 i	5.95±0.04 b

重庆老鹰茶种质资源调查与评价

Investigation and evaluation of Litsea coreana germplasm resources in Chongqing

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生化指标 Biochemical parameters	水浸出物 Water extract	茶多酚 Tea phoyphenol	总黄酮 Total flavonoid	游离氨基酸 Free amino acid
茶多酚Tea phoyphenol	0.57^**
总黄酮Total flavonoid	0.45^*	0.14
游离氨基酸Free amino acid	-0.20	-0.08	-0.50^**
可溶性糖Soluble sugar	0.61^**	0.24	0.34	-0.17

主成分 Principal component	特征值 Eigenvalue	方差贡献率 Variance contribution rate/%	累积贡献率 Cumulative contribution rate/%
1	2.38	47.54	47.54
2	1.17	23.40	70.95
3	0.74	14.75	85.70
4	0.47	9.33	95.03
5	0.25	4.97	100

指标 Index	主成分1 Principal component	主成分2 Principal component
水浸出物Water extract	0.87	0.31
茶多酚Tea phoyphenol	0.59	0.54
总黄酮Total flavonoid	0.71	-0.50
游离氨基酸Free amino acid	-0.50	0.71
可溶性糖Soluble sugar	0.72	0.17

编号 Code	F₁	F₂	M₂得分 M₂ score	排名 Ranking	编号 Code	F₁	F₂	M₂得分 M₂ score	排名 Ranking
WX-18	50.19	18.85	25.71	1	WX-12	35.85	16.41	19.30	14
WX-20	41.08	17.26	21.62	2	WL-25	36.13	15.95	19.26	15
WX-22	41.12	16.73	21.47	3	WX-4	35.41	16.30	19.09	16
WX-21	40.14	17.30	21.27	4	WL-35	35.60	15.94	19.05	17
FL-3	39.34	15.61	20.42	5	WX-14	35.22	16.06	18.94	18
WL-31	38.58	16.31	20.34	6	WX-17	35.29	15.69	18.85	19
WL-40	38.27	16.38	20.24	7	NC-2	35.17	15.58	18.77	20
WX-5	37.09	16.31	19.75	8	NC-5	33.09	14.59	17.63	21
WL-26	37.33	16.01	19.75	8	WL-34	32.34	14.59	17.34	22
WX-7	36.62	16.52	19.63	9	WL-33	31.57	13.83	16.79	23
WX-9	36.72	16.08	19.54	10	WL-30	30.86	14.13	16.61	24
WL-23	36.59	16.03	19.47	11	NC-9	30.01	13.86	16.19	25
WL-20	36.35	16.00	19.36	12	WL-32	29.05	12.99	15.54	26
QJ-1	36.51	15.68	19.33	13

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