楸树高产高氮利用效率无性系筛选及G×E互作分析

doi:10.11707/j.1001-7488.LYKX20240523

Abstract

Abstract:

Objective: In this study, the variation patterns of biomass and nitrogen utilization efficiency (NUE) of Catalpa bungei clones were investigated at different soil nitrogen content sites, and the interaction effects between clones and environment were analyzed to screen elite clones with high productivity and high nitrogen use efficiency. The objective is to screen superior clones with high productivity and NUE, and to provide theoretical basis for the breeding of C. bungei clones. Method: Thirteen 6-year-old C. bungei clones from three experimental sites were selected as the research materials. The biomass was calculated using an allometric growth model. Subsequently, the nitrogen content was measured, with which NUE was calculated. The ASReml-R package was used to fit a mixed effect model. The BLUP data of biomass and NUE of thirteen C. bungei clones from three experimental sites was obtained, and the visual BLUP-GGE biplots were used to analyze the adaptability and stability of these clones. Result: There was a significant (P<0.05) difference in soil nitrogen content among the three experimental sites, with a descending order of Caoxian, Yongcheng, and Mudanqu. The statistical analysis showed that there were significant (P<0.01) differences in biomass and nitrogen use efficiency among different clones at the same site, and significant (P<0.01) differences in biomass and nitrogen use efficiency of the same clone among different sites. Through sorting the two indicators separately, it was found that biomass of clones 6-7, 008-1, 1-3, and 2-8 was higher than that of the other clones in all sites, and the NUE of clones 8401, 6-7, 2-8, and 20-01 was higher than that of the other clones in all sites. The adaptability analysis of different clones showed that clone 2-8 had the strongest adaptability in the Mudanqu and Caoxian, while clone 1-3 had the strongest adaptability in Yongcheng. Clone 6-7 and clone 2-8 were superior clones with high biomass and NUE, and their performance was suitable at the three experimental sites. Clone 1-3 had relatively higher biomass and NUE, but its NUE was not high. Clone 008-1 had high biomass, but its NUE was low with low stability. Conclusion: Based on the ranking of biomass and NUE of the thirteen clones under different soil nitrogen contents, and combined with analysis of adaptability, high productivity, and stability in the BULP-GGE biplots, it is found that clone 6-7 and clone 2-8 are elite clones with high biomass and NUE, and they have good growth performance at all three sites. The clone 1-3 is a clone with high biomass and NUE at low nitrogen site, and it is suitable to be planted in Mudanqu and other sites with low soil nitrogen content. The clone 008-1 is a clone with high biomass and NUE at high nitrogen site, and it is suitable to be planted in Caoxian and other sites with high soil nitrogen content.

Key words: Catalpa bungei, biomass, nitrogen utilization efficiency, BULP-GGE, multi-area experiment

CLC Number:

S722.33

Zhiyong Wang,Mengyan Zhou,Wenyi Chen,Wenjun Ma,Junhui Wang,Yi Zhang,Chuangye Wu,Zhibin Luo,Jing Zhou. Selection of Catalpa bungei Clones with High Productivity and High Nitrogen Utilization Efficiency and Analysis of G × E Interaction[J]. Scientia Silvae Sinicae, 2025, 61(8): 96-105.

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地点 Site	年均气温 Average annual temperature/℃	年均降水量 Average annual precipitation/mm	年均湿度 Average annual humidity (%)	年均日照 Average annual sunshine/h	土壤含氮量 Soil nitrogen content/(g·kg^?1)
地点 Site	年均气温 Average annual temperature/℃	年均降水量 Average annual precipitation/mm	年均湿度 Average annual humidity (%)	年均日照 Average annual sunshine/h	0~30 cm	30~60 cm
牡丹区 Mudanqu	16.01	712.79	58.16	1 574.62	0.25	0.14
永城 Yongcheng	16.25	860.87	66.09	1 534.28	0.55	0.40
曹县 Caoxian	16.24	756.56	59.40	1 563.02	0.86	0.49

编号 Number	无性系 Clone	来源 Source
1	8401	天然优选Natural selection
2	8402	天然优选Natural selection
3	6-7	天然优选Natural selection
4	8-11	天然优选Natural selection
5	008-1	杂交（7080×3065）Hybridization （7080×3065）
6	1-1	杂交（4001×金丝楸）Hybridization （4001×Jinsiqiu）
7	1-3	杂交（4001×金丝楸）Hybridization （4001×Jinsiqiu）
8	2-6	杂交（4002×金丝楸）Hybridization （4002×Jinsiqiu）
9	2-7	杂交（6523×金丝楸）Hybridization （6523×Jinsiqiu）
10	2-8	杂交（4002×金丝楸）Hybridization （4002×Jinsiqiu）
11	19-01	杂交（5-8×6-8）Hybridization （5-8×6-8）
12	19-27	杂交（5-8×6-8）Hybridization （5-8×6-8）
13	20-01	杂交（6-1×6-8）Hybridization （6-1×6-8）

无性系 Clone	牡丹区 Mudanqu	永城 Yongcheng	曹县 Caoxian	均值 Avg.	标准差 SD	变异系数 CV (%)
8401	34.97±5.74ef	54.43±14.36de	55.59±14.68bcd	48.33	11.59	23.97
8402	31.22±2.5ef	67.25±16.96cde	62.56±13.37bc	53.67	19.59	36.49
6-7	56.71±13.82bcd	83.29±25.48abc	61.16±7.56bc	67.06	14.23	21.22
8-11	34.3±8.06ef	48.69±9.11e	43.89±8.47d	42.29	7.33	17.33
008-1	77.81±5.64a	84.08±7.35abc	65.91±6.15b	75.93	9.23	12.16
1-1	44.79±8.87cde	67.78±4.36cde	82.58±4.25a	65.05	19.04	29.27
1-3	71.9±15.06a	94.29±9.39ab	61.84±2.9bc	76.01	16.61	21.85
2-6	65.52±13.61abc	68.4±17.43cde	48.07±4.76d	60.66	11.00	18.13
2-7	47.79±11.73cde	86.6±18.57abc	52.87±4.99cd	62.42	21.09	33.79
2-8	70.13±12.44ab	76.55±7.01bcd	78.78±3.91a	75.16	4.49	5.97
19-01	23.79±8.11f	103.99±12.73a	55.49±5.9bcd	61.09	40.39	66.12
19-27	51.42±16.84cde	70.21±15.15cde	63.2±11.25bc	61.61	9.50	15.41
20-01	40.86±0.42def	56.84±24.62de	55.72±9.85bcd	51.14	8.92	17.44
均值 Avg.	50.09	74.03	60.59	61.57	14.85	24.55
标准差 SD	17.26	16.10	10.90	10.65
变异系数CV (%)	34.45	21.75	17.99	17.30

无性系 Clone	牡丹区 Mudanqu	永城 Yongcheng	曹县 Caoxian	均值 Avg.	标准差 SD	变异系数 CV (%)
8401	134.6±6.74abcd	163.03±6.61ab	175.90±6.85a	157.84	21.13	13.39
8402	120.14±4.02bcd	148.76±3.51b	152.33±3.74abc	140.41	17.65	12.57
6-7	140.31±5.74abc	156.07±4.52ab	164.41±4.65abc	153.60	12.24	7.97
8-11	122.68±4.04bcd	155.85±3.29ab	165.99±3.69abc	148.17	22.65	15.29
008-1	118.92±4.11cd	148.24±4.64b	164.8±6.14abc	143.99	23.23	16.13
1-1	141.89±5.48ab	150.78±6.71ab	157.74±3.25abc	150.14	7.95	5.29
1-3	135.26±4.55abc	174.33±6.81a	146.37±3.7bc	151.99	20.13	13.24
2-6	138.78±5.43abc	168.02±6.83ab	156.56±5.22abc	154.45	14.74	9.54
2-7	124.63±7.45bcd	150.96±6.6ab	149.12±5.65bc	141.57	14.70	10.39
2-8	142.2±0.68ab	156.10±3.94ab	169.97±3.68ab	154.76	14.08	9.10
19-01	116.17±3.71d	144.33±2.47b	144.58±1.12c	135.03	16.33	12.09
19-27	118.17±16.94cd	148.21±4.54b	160.38±5.23abc	142.25	21.72	15.27
20-01	148.64±6.08a	152.76±3.28ab	164.34±9.31abc	155.25	8.14	5.24
均值 Avg.	130.95	154.88	159.42	148.42	16.51	11.19
标准差 SD	11.15	8.67	9.41	7.09
变异系数CV (%)	8.51	5.60	5.90	4.78

效应变量 Effect variable	生物量 Biomass				氮素利用效率 Nitrogen utilization efficiency
效应变量 Effect variable	自由度 Df	差值平方和 Sum of squared difference	Wald	Pr(x²)	自由度 Df	差值平方和 Sum of squared difference	Wald	Pr(x²)
地点 Site	2	21.75	21.75	1.9e-5^**	2	6345.9	6345.9	<2.2e-16^**
残差（均方） Residual (MS)	－	1.0	－	－	－	1.0	－	－

Selection of Catalpa bungei Clones with High Productivity and High Nitrogen Utilization Efficiency and Analysis of G × E Interaction

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效应变量 Effect variable	生物量 Biomass			氮素利用效率 Nitrogen utilization efficiency
效应变量 Effect variable	方差分量 Variance componment	标准误 Standard error	z值 z ratio	方差分量 Variance componment	标准误 Standard error	z值 z ratio
无性系 Clone	56.817 1	47.983 2	1.184 1^*	21.361 5	19.918 1	1.072 5^*
地点×无性系 Site×Clone	136.266 4	47.370 8	2.876 6^*	41.339 3	21.252 6	1.945 1^*
牡丹区 Mudanqu	113.319 0	22.306 6	5.080 1^**	232.384 8	44.773 1	5.190 3^**
永城 Yongchen	238.230 2	46.642 9	5.107 5^**	131.940 9	25.648 4	5.144 2^**
曹县 Caoxian	69.402 9	13.558 2	5.118 9^**	134.092 9	26.164 5	5.125 0^**