Investigation and evaluation of Litsea coreana germplasm resources in Chongqing

doi:10.3969/j.issn.1004-1524.2022.03.04

Acta Agriculturae Zhejiangensis ›› 2022, Vol. 34 ›› Issue (3): 447-456.DOI: 10.3969/j.issn.1004-1524.2022.03.04

• Crop Science • Previous Articles Next Articles

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

Abstract

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

CLC Number:

S571.1

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.

Figures/Tables 8

References 32

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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

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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