Variation Analysis of Growth Traits of Larix olgensis Parental Clones in Seed Orchards

doi:10.7525/j.issn.1673-5102.2022.01.014

Abstract

Abstract:

The growth of parental clones was neglected in seed orchards though many Larix olgensis seed orchards had been built for several years in Northeast China. In this research， 49 L. olgensis parental clones were used as materials， many growth traits were investigated and analyzed respectively. ANOVA results showed that there was significant difference among 49 clones in each growth traits. The phenotypic variation and genetic variation coefficients of different traits ranged from 7.71%-31.93% and 2.05%-12.55%， respectively. The repeatability of different traits ranged from 0.44-0.76， high repeatability and variation coefficients were beneficial for selection of elite clones. The correlation of most growth traits including tree height was extremely significant showed that each growth traits affected each other. The results of principal component analysis showed that the contribution rate of the first principal component was 61.44%， which mainly represented biomass traits. Comprehensive evaluation of L. olgensis parental clones were conducted based on the results of principal component analysis， clone L76， L5， L7， L12 and L4 were selected as elite clones， the genetic gain of different growth traits ranged from 3.55%-15.50%， the selected clones could provide materials for tree breeding of L. olgensis.

Key words: Larix olgensis, parental clones, variation coefficients, repeatability, selection

CLC Number:

S791.229

Dandan Zhang, Xiang Li, Biying Wang, Xihe Wang, Quan Sun, Yunyang Wu, Pingyang Li, Deyao Li, Yulei Li, Xiyang Zhao. Variation Analysis of Growth Traits of Larix olgensis Parental Clones in Seed Orchards[J]. Bulletin of Botanical Research, 2022, 42(1): 130-137.

Figures/Tables 7

Table 1

Table 2

Average values of different traits of all clones

无性系 Clones	树高 Tree height /m	地径 Ground diameter /cm	胸径 Diameter of breast height /cm	3 m 处干径 Diameter of stem at 3 meter height /cm	尖削度 Taperingness	材积 Volume /m³	冠幅 Crown width /cm	分枝角 Branch angle /（°）	通直度 Stem straightness degree
L1	18.47±0.97	34.70±3.01	31.60±3.30	28.21±3.62	1.88±0.14	0.49±0.11	739.90±102.36	83.30±8.35	4.84±0.37
L2	18.12±0.88	33.42±3.22	30.36±2.89	27.69±2.85	1.85±0.17	0.45±0.09	697.12±92.19	84.90±6.98	4.72±0.46
L3	18.33±1.05	32.28±4.93	28.57±3.20	25.85±3.50	1.76±0.26	0.40±0.09	703.14±101.25	83.70±5.91	4.80±0.41
L4	18.60±0.92	34.39±3.36	31.66±3.41	28.79±3.11	1.86±0.22	0.49±0.10	772.58±159.07	86.80±6.02	4.88±0.33
L5	19.62±1.38	36.12±3.05	32.41±2.86	29.89±2.59	1.85±0.15	0.54±0.10	770.84±124.78	83.90±6.62	4.96±0.20
L6	18.58±1.32	31.94±2.80	29.18±3.62	25.97±3.22	1.72±0.16	0.42±0.10	698.74±109.33	83.20±5.93	4.88±0.33
L7	19.32±1.54	36.29±3.47	32.02±3.07	28.98±3.39	1.88±0.19	0.52±0.11	792.84±96.08	89.30±4.18	4.96±0.20
L8	19.26±1.24	33.27±2.86	30.85±3.16	28.27±3.04	1.73±0.16	0.48±0.10	701.80±131.17	84.80±9.07	5.00±0.00
L9	19.78±2.25	34.08±4.17	31.07±3.93	28.05±3.92	1.74±0.23	0.51±0.15	766.44±122.81	83.70±8.17	4.88±0.33
L10	19.22±2.38	33.42±3.99	29.34±3.35	26.09±3.90	1.75±0.23	0.44±0.12	724.38±94.42	85.30±6.01	4.92±0.28
L11	19.14±1.71	32.71±3.80	29.99±3.60	27.31±3.50	1.71±0.19	0.46±0.12	706.32±68.03	85.80±7.76	4.92±0.28
L12	19.34±2.14	35.10±3.41	31.77±2.61	28.45±3.02	1.83±0.24	0.51±0.11	787.64±130.64	90.40±9.78	4.96±0.20
L13	18.93±1.95	32.60±3.22	29.41±2.89	26.82±3.29	1.73±0.19	0.44±0.11	669.04±124.78	83.60±7.11	4.76±0.44
L15	19.64±1.72	33.72±3.50	30.68±2.90	26.86±2.66	1.72±0.20	0.49±0.10	766.26±156.81	85.40±7.80	5.00±0.00
L16	18.35±1.55	32.24±3.00	28.50±3.68	25.86±3.94	1.76±0.17	0.40±0.11	742.32±84.44	86.50±3.82	4.92±0.28
L17	18.44±0.92	32.35±2.98	29.86±2.78	27.14±2.81	1.76±0.18	0.44±0.08	653.32±78.66	84.30±9.45	5.00±0.00
L18	18.79±1.38	34.52±5.76	31.12±6.10	228.31±6.02	1.83±0.23	0.50±0.20	677.22±96.20	88.00±4.45	4.96±0.20
L19	18.04±1.25	33.02±4.50	29.92±4.16	26.72±4.11	1.83±0.21	0.44±0.13	688.68±110.30	87.30±4.01	4.84±0.37
L25	18.57±1.21	34.86±5.09	30.63±4.99	27.52±4.99	1.87±0.22	0.47±0.15	760.12±124.15	87.80±4.04	4.92±0.28
L30	18.67±1.85	32.13±5.39	28.80±4.19	25.95±3.83	1.72±0.25	0.42±0.14	819.08±131.34	85.50±6.57	4.96±0.20
L37	19.24±2.46	34.40±5.67	30.22±5.22	26.82±5.04	1.79±0.24	0.48±0.18	798.80±168.13	84.90±9.51	4.72±0.68
L38	19.03±1.89	33.84±4.03	31.09±3.70	28.12±3.98	1.80±0.31	0.48±0.11	712.72±76.77	83.00±7.77	4.96±0.20
L51	18.81±1.93	32.56±4.68	29.56±4.83	25.88±4.84	1.73±0.19	0.45±0.16	780.78±119.84	89.30±1.53	4.88±0.44
L54	17.79±1.10	29.30±4.06	25.84±3.72	22.57±3.37	1.64±0.17	0.33±0.10	688.60±91.50	88.80±2.90	4.76±0.44
L55	18.61±1.73	34.48±4.53	29.62±3.34	25.85±3.77	1.86±0.27	0.44±0.10	747.96±114.05	85.50±4.56	4.96±0.20
L57	19.01±1.86	35.14±4.75	30.19±3.72	26.48±3.57	1.85±0.23	0.47±0.14	738.84±125.19	85.70±4.71	4.92±0.28
L58	18.86±1.45	34.61±5.52	30.01±4.27	26.81±4.03	1.83±0.26	0.46±0.14	793.08±149.12	84.10±5.90	5.00±0.00
L60	18.25±1.26	31.48±3.80	27.92±3.64	24.76±3.89	1.73±0.17	0.39±0.11	683.12±88.20	86.30±8.72	4.88±0.33
L61	18.34±1.56	32.42±3.74	29.06±3.34	26.19±3.24	1.77±0.19	0.42±0.10	715.00±147.46	88.40±3.74	4.80±0.41
L62	18.23±1.21	35.22±6.47	31.12±5.46	27.62±4.97	1.93±0.30	0.48±0.17	745.60±172.76	84.90±7.65	4.84±0.37
L63	19.83±2.07	34.38±5.27	29.69±3.75	26.34±3.61	1.75±0.33	0.46±0.12	692.96±144.48	81.90±6.34	5.00±0.00
L64	18.02±1.28	32.40±5.43	28.76±4.18	25.59±3.95	1.79±0.24	0.41±0.13	757.04±94.45	88.90±3.61	4.96±0.20
L71	18.43±1.10	32.65±4.43	28.36±3.65	25.18±3.91	1.77±0.22	0.40±0.11	736.84±99.60	86.30±5.69	5.00±0.00
L72	17.22±1.22	28.23±5.60	24.93±4.70	21.79±4.32	1.64±0.28	0.30±0.12	638.64±87.69	87.10±4.93	4.52±0.71
L73	17.83±1.70	31.66±6.33	27.18±5.57	24.34±5.46	1.77±0.32	0.37±0.15	769.20±147.20	86.80±3.35	4.68±0.48
L74	18.46±1.71	32.57±6.28	28.41±5.11	25.51±4.93	1.77±0.34	0.41±0.16	712.72±83.37	88.40±3.81	4.88±0.44
L76	19.74±2.34	36.58±6.85	33.11±6.55	29.42±6.62	1.84±0.22	0.59±0.25	821.88±201.03	87.70±4.94	4.88±0.33
L77	18.67±2.21	35.54±5.35	30.75±4.39	27.53±4.30	1.91±0.26	0.48±0.16	842.68±146.86	88.30±3.73	4.80±0.41
L78	18.50±1.75	32.46±6.06	29.06±5.26	26.06±5.24	1.75±0.25	0.43±0.16	699.88±107.86	84.40±10.42	4.88±0.33
L80	17.82±1.39	31.84±4.98	28.46±4.21	25.14±3.81	1.78±0.23	0.40±0.13	698.40±109.60	88.00±4.08	4.68±0.69
L81	18.24±1.69	33.30±4.74	27.70±3.01	24.75±2.83	1.84±0.31	0.38±0.10	722.08±106.46	81.80±8.05	4.84±0.37
L82	17.42±1.38	30.35±5.51	26.36±4.22	23.30±4.13	1.75±0.32	0.34±0.11	707.72±73.01	87.50±8.04	87.50±8.04
L83	19.03±1.27	34.86±4.19	30.56±3.83	27.38±3.80	1.83±0.22	0.47±0.13	756.72±80.72	88.30±4.83	5.00±0.00
L84	18.98±2.63	32.87±5.40	29.10±5.12	26.01±4.92	1.75±0.30	0.44±0.17	744.00±130.48	85.00±5.77	4.72±0.54
L88	19.11±2.16	33.81±6.99	29.23±5.50	25.65±5.06	1.77±0.32	0.45±0.19	749.48±176.40	88.60±6.81	4.92±0.28
L89	17.58±1.24	31.42±5.77	27.92±4.74	24.95±5.01	1.79±0.31	0.38±0.14	735.80±149.44	89.70±9.31	4.80±0.41
L90	17.90±1.52	32.77±4.73	29.12±3.99	25.92±3.56	1.83±0.20	0.41±0.13	752.80±133.51	88.40±3.45	4.76±0.60
L91	18.89±1.61	35.45±6.40	30.48±4.85	27.22±4.52	1.88±0.30	0.47±0.16	764.60±112.27	89.30±3.79	4.92±0.40
L92	18.23±1.73	33.11±4.24	29.93±3.68	26.92±3.59	1.82±0.18	0.44±0.13	708.64±118.96	87.70±6.65	4.92±0.28
平均值Average	18.64±1.73	33.32±4.97	29.62±4.38	26.51±4.32	1.79±0.24	0.44±0.14	735.80±127.39	86.30±6.65	4.87±0.38

Table 2

Table 3

Table 4

Table 5

Table 6

Table 7

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性状 Traits	树高 Tree height	地径 Ground diameter	胸径 Diameter of breast height	3 m处干径 Diameter of stem at 3 meter height	尖削度 Taperingness	材积 Volume	冠幅 Crown width	分枝角 Branch angle
地径 Ground diameter	0.443^**
胸径 Diameter of breast height	0.449^**	0.851^**
3 m处干径 Diameter of stem at 3 meter height	0.434^**	0.781^**	0.954^**
尖削度 Taperingness	-0.152^**	0.815^**	0.645^**	0.579^**
材积 Volume	0.632^**	0.834^**	0.965^**	0.920^**	0.504^**
冠幅 Crown width	0.360^**	0.483^**	0.440^**	0.388^**	0.300^**	0.482^**
分枝角 Branch angle	-0.138^**	-0.052	-0.047	-0.035	0.022	-0.064^*	0.035
通直度 Stem straightness degree	0.476^**	0.315^**	0.355^**	0.359^**	0.030	0.375^**	0.127^**	-0.053

主要成分因子 Main factor	主成分Ⅰ Principal component Ⅰ	主成分Ⅱ Principal component Ⅱ
特征值 Eigenvalues	5.53	1.41
贡献率 Contribution rate	61.44	15.65
累积贡献率 Cumulative contribution rate	61.44	77.09
树高 Tree height	0.79	-0.41
地径 Ground diameter	0.96	0.12
胸径 Diameter of breast height	0.97	-0.02
3 m处干径 Diameter of stem at 3 meter height	0.94	-0.07
尖削度 Taperingness	0.67	0.50
材积 Volume	0.97	-0.06
冠幅 Crown width	0.59	0.49
分枝角 Branch angle	-0.09	0.80
通直度 Stem straightness degree	0.64	-0.30

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[8]	BAI Xiao-Ming, DONG Shi-Wei, YANG Yu-Ning, SONG Yue, ZHANG Han-Guo, LI Shu-Juan. Cloning and Expression Analysis of Catalase Gene(LoCAT1) from Larix olgensis [J]. Bulletin of Botanical Research, 2019, 39(4): 539-546.
[9]	ZHANG Qin-Hui, WANG Hong-Wu, JIANG Guo-Yun, SHEN Guang, WANG Lian-Kui, LI Yan-Long, WANG Lei, WANG Li-Xiang, LI Yue-Ji, LI Rui, ZHAO Xi-Yang. Variation Analysis and Selection of Pinus koraiensis Half-sib Families [J]. Bulletin of Botanical Research, 2019, 39(4): 557-567.
[10]	LUAN Ke-Quan, ZHANG Heng, TIAN Yong-Gang, YANG Shu-Cheng, WANG Hong-Wu, WANG Lian-Kui, LI Yan-Long, LU Zhi-Min, ZHAO Xi-Yang. Variation Analysis of Growth Traits in Different Growth Year of Half-sib Fraxinus mandshurica Families [J]. Bulletin of Botanical Research, 2019, 39(2): 239-245.
[11]	ZHENG Mi, ZHAO Guo-Hui, SUN Xiao-Yang, ZHANG Qin-Hui, ZHAO Xin, DONG Li-Hu, LI Feng-Ri, ZHAO Xi-Yang. Comparative Analysis of Cold Resistance Ability of Larix olgensis Clones [J]. Bulletin of Botanical Research, 2018, 38(5): 682-687.
[12]	LIU Jin, XIA Qi-Ping, WANG Jian, LI Zhen, SHAO Jian-Wen. A Preliminary Study on the Application of Self Pollination in Primula merrilliana Flower Color Selection [J]. Bulletin of Botanical Research, 2018, 38(2): 232-237.
[13]	SONG Yue, LI Shu-Juan, BAI Xiao-Ming, ZHANG Han-Guo. Response Surface Optimization of Culture Conditions for the Formation of Early Embryos in Larix olgensis [J]. Bulletin of Botanical Research, 2017, 37(4): 613-620.
[14]	ZHANG Zhen；ZHANG Han-Guo；ZHANG Lei. Age Variations in Productivity and Family Selection of Open-Pollinated Families of Korean Pine(Pinus koraiensis*) [J]. Bulletin of Botanical Research, 2016, 36(2): 305-309.
[15]	LI Chun-Ming1,2；YAN Dong1；XIA Hui1；LIANG De-Yang1；SI Dong-Jing1；YIN Shao-Peng1；LIU Dian-Kun1；ZHAO Guo-Hui3；ZHAO Xi-Yang1,3. Variations of Growth and Leaf Traits of Intraspecific Hybridization Clones of Populus tomentosa* [J]. Bulletin of Botanical Research, 2016, 36(1): 62-67.