杉木种子园子代性状相关性研究

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杉木种子园子代性状相关性研究

付顺华,董汝湘,吴隆高,冯建民,刘伟宏,华朝晖,孙鸿有

文章导航> 浙江农林大学学报> 2007> 24(3): 272-278

付顺华, 董汝湘, 吴隆高, 等. 杉木种子园子代性状相关性研究[J]. 浙江农林大学学报, 2007, 24(3): 272-278.

引用本文:

付顺华, 董汝湘, 吴隆高, 等. 杉木种子园子代性状相关性研究[J]. 浙江农林大学学报, 2007, 24(3): 272-278.

FUShun-hua, DONG Ru-xiang, WULong-gao, et al. Correlations in progeny trials of Cunninghamia lanceolata[J]. Journal of Zhejiang A&F University, 2007, 24(3): 272-278.

Citation:

FUShun-hua, DONG Ru-xiang, WULong-gao,et al. Correlations in progeny trials ofCunninghamia lanceolata[J].Journal of Zhejiang A&F University, 2007, 24(3): 272-278.

杉木种子园子代性状相关性研究

1.
浙江林学院林业与生物技术学院,浙江临安311300;
2.
浙江省林业种苗管理总站,浙江杭州310020;
3.
浙江省龙泉市林业局,浙江龙泉323700;
4.
浙江省新安江开发总公司,浙江淳安311700;
5.
浙江省遂昌县林业局,浙江遂昌323300

基金项目:

浙江省自然科学基金资助项目(393058);浙江省科学技术重点项目(991102339)

详细信息

作者简介:付顺华,副教授,硕士,从事植物遗传育种和种质资源研究。

通信作者:孙鸿有,教授,从事林木遗传育种研究。

中图分类号:S718.46

Correlations in progeny trials ofCunninghamia lanceolata

1.
School of Forestry and Biotechnology, Zhejiang Forestry College, Linan 311300, Zhejiang, China;
2.
Zhejiang General Station of Forest Tree Seed and Seedling, Hangzhou 310020, Zhejiang, China;
3.
Forest Enterprise of Longquan County, Longquan 323700, Zhejiang, China;
4.
Zhejiang Xinan River Development Corporation, Chunan 311700, Zhejiang, China;
5.
Forest Enterprise of Suichang County, Suichang 323300,Zhejiang, China

Funds:

浙江省自然科学基金资助项目(393058);浙江省科学技术重点项目(991102339)

摘要:为进一步了解杉木Cunninghamia lanceolata种子园子代遗传变异规律,提高杉木群体良种选育效率,以浙江省17个杉木种子园子代为研究材料,于1998- 1999年,在临安市横畈林场采用10区组、3～ 4株小区的完全随机区组设计,营建2片子代试验林。自造林后第2年起,连续6 a调查测定树高、胸径、材积、冠幅和侧枝性状等,在数理统计分析的基础上,研究了种子园子代性状之间的表型相关、遗传相关以及年-年之间的生长相关和秩次相关等。结果表明,种子园子代树高、胸径和材积之间呈极紧密相关,相关系数rp和rg达到或近于1.0,通过胸径对材积进行间接选择,选准率100%。冠幅、盘间距与生长性状之间分别呈中度相关和轻度-中度相关,盘侧枝数与生长性状之间在遗传上没有相关关系,每米侧枝数则有负相关关系。不同年龄之间的年-年生长相关,随着年龄的增长而增大,其生长秩次变化在2～ 3年生时已逐渐稳定, 5～ 6年生时基本稳定,rs高达0.96～ 0.99。在杉木种子园子代测定中,早期选择可从造林后第2年生长期结束时开始,但其选择率必须比第2次选择增加1倍。在此前提下,如以6年生选择作为第2次选择,选准率达100%,即在6年生选择时能入选的植株,在此情况下将无一漏选。表7参30
- 林木遗传育种学/
- 杉木/
- 种子园/
- 子代测定/
- 性状相关/
- 秩相关/
- 早期选择
Abstract:The objective is to find the regularity of hereditary variations in Cunninghamia lanceolata(Chinese fir)seed orchard and improve the stock breeding efficiency. Data were analyzed from two progeny trials of 17 Cunninghamia lanceolata seed orchards that were surveyed continuously over 6 years for phenotype and genetic correlations among growth traits, age, and rank correlation. Results indicatd a close correlation(P 0.05, rp and rgnear or equal to 1.0) among growth traits of height, diameter, and stem volume. Crown width was significantly correlated to growth traits of height(P 0.01, rp= 0.557 0, rg= 0.699 7), diameter(P 0.01, rp= 0.740 0, rg= 0.881 2), and stem volum(P 0.01, rp= 0.712 5, rg= 0.847 7), whereas two growth ringswas significantly correlated to growth traits of height(P 0.005, rs= 0.461 0), diameter(P0.05, rp= 0.554 6), and stem volum(P 0.01, rp= 0.537 5). Branch number per meter was negatively correlated to growth traits(P 0.01). The correlation coefficients of the growth traits between different years increased with age. The growth sequence tended to be stable when 2- 3 yearsold, and became steady-state after6 years. Within a progeny trial of C. lanceolata, the first selection from the orchard can begin after afforestation at the end of the second year of growth. The selection rate should be twice that of the second selection. With this selection criteria, the accuracy rate of the selection should be close to 100%. Also, when stemvolume is selected indirectly by diameter, accuracy rate of the selection should be close to 100%.[Ch, 7 tab. 30 ref.]
- forest breeding/
- Cunninghamia lanceolata/
- seed orchard/
- progeny trial/
- trait correlation/
- rank correlation/
- early selection

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杉木种子园子代性状相关性研究

1. 浙江林学院林业与生物技术学院,浙江临安311300;
2. 浙江省林业种苗管理总站,浙江杭州310020;
3. 浙江省龙泉市林业局,浙江龙泉323700;
4. 浙江省新安江开发总公司,浙江淳安311700;
5. 浙江省遂昌县林业局,浙江遂昌323300

基金项目:

浙江省自然科学基金资助项目(393058);浙江省科学技术重点项目(991102339)

作者简介:
付顺华,副教授,硕士,从事植物遗传育种和种质资源研究。

通信作者:孙鸿有,教授,从事林木遗传育种研究。

收稿日期: 2006-10-08
修回日期:2007-03-02
刊出日期: 2007-06-20

中图分类号:S718.46

关键词:

摘要:为进一步了解杉木Cunninghamia lanceolata种子园子代遗传变异规律,提高杉木群体良种选育效率,以浙江省17个杉木种子园子代为研究材料,于1998- 1999年,在临安市横畈林场采用10区组、3～ 4株小区的完全随机区组设计,营建2片子代试验林。自造林后第2年起,连续6 a调查测定树高、胸径、材积、冠幅和侧枝性状等,在数理统计分析的基础上,研究了种子园子代性状之间的表型相关、遗传相关以及年-年之间的生长相关和秩次相关等。结果表明,种子园子代树高、胸径和材积之间呈极紧密相关,相关系数rp和rg达到或近于1.0,通过胸径对材积进行间接选择,选准率100%。冠幅、盘间距与生长性状之间分别呈中度相关和轻度-中度相关,盘侧枝数与生长性状之间在遗传上没有相关关系,每米侧枝数则有负相关关系。不同年龄之间的年-年生长相关,随着年龄的增长而增大,其生长秩次变化在2～ 3年生时已逐渐稳定, 5～ 6年生时基本稳定,rs高达0.96～ 0.99。在杉木种子园子代测定中,早期选择可从造林后第2年生长期结束时开始,但其选择率必须比第2次选择增加1倍。在此前提下,如以6年生选择作为第2次选择,选准率达100%,即在6年生选择时能入选的植株,在此情况下将无一漏选。表7参30

English Abstract

Correlations in progeny trials ofCunninghamia lanceolata

1. School of Forestry and Biotechnology, Zhejiang Forestry College, Linan 311300, Zhejiang, China;
2. Zhejiang General Station of Forest Tree Seed and Seedling, Hangzhou 310020, Zhejiang, China;
3. Forest Enterprise of Longquan County, Longquan 323700, Zhejiang, China;
4. Zhejiang Xinan River Development Corporation, Chunan 311700, Zhejiang, China;
5. Forest Enterprise of Suichang County, Suichang 323300,Zhejiang, China

Funds:

浙江省自然科学基金资助项目(393058);浙江省科学技术重点项目(991102339)

Received Date:2006-10-08
Rev Recd Date:2007-03-02
Publish Date:2007-06-20

Keywords:

Abstract:The objective is to find the regularity of hereditary variations in Cunninghamia lanceolata(Chinese fir)seed orchard and improve the stock breeding efficiency. Data were analyzed from two progeny trials of 17 Cunninghamia lanceolata seed orchards that were surveyed continuously over 6 years for phenotype and genetic correlations among growth traits, age, and rank correlation. Results indicatd a close correlation(P 0.05, rp and rgnear or equal to 1.0) among growth traits of height, diameter, and stem volume. Crown width was significantly correlated to growth traits of height(P 0.01, rp= 0.557 0, rg= 0.699 7), diameter(P 0.01, rp= 0.740 0, rg= 0.881 2), and stem volum(P 0.01, rp= 0.712 5, rg= 0.847 7), whereas two growth ringswas significantly correlated to growth traits of height(P 0.005, rs= 0.461 0), diameter(P0.05, rp= 0.554 6), and stem volum(P 0.01, rp= 0.537 5). Branch number per meter was negatively correlated to growth traits(P 0.01). The correlation coefficients of the growth traits between different years increased with age. The growth sequence tended to be stable when 2- 3 yearsold, and became steady-state after6 years. Within a progeny trial of C. lanceolata, the first selection from the orchard can begin after afforestation at the end of the second year of growth. The selection rate should be twice that of the second selection. With this selection criteria, the accuracy rate of the selection should be close to 100%. Also, when stemvolume is selected indirectly by diameter, accuracy rate of the selection should be close to 100%.[Ch, 7 tab. 30 ref.]

付顺华, 董汝湘, 吴隆高, 等. 杉木种子园子代性状相关性研究[J]. 浙江农林大学学报, 2007, 24(3): 272-278.

引用本文:

付顺华, 董汝湘, 吴隆高, 等. 杉木种子园子代性状相关性研究[J]. 浙江农林大学学报, 2007, 24(3): 272-278.

FUShun-hua, DONG Ru-xiang, WULong-gao, et al. Correlations in progeny trials of Cunninghamia lanceolata[J]. Journal of Zhejiang A&F University, 2007, 24(3): 272-278.

Citation:

FUShun-hua, DONG Ru-xiang, WULong-gao,et al. Correlations in progeny trials ofCunninghamia lanceolata[J].Journal of Zhejiang A&F University, 2007, 24(3): 272-278.