补光处理对黑云杉不同种源苗木生长的影响

欧阳芳群; 张守攻; 王军辉; 马建伟; 蒋明; 王美琴; 李悦

补光处理对黑云杉不同种源苗木生长的影响

1 北京林业大学林木育种国家工程实验室，林木花卉遗传育种教育部重点实验室, 国家林业局树木花卉育种与生物工程重点开放实验室 2 中国林业科学研究院林业研究所 3 甘肃小陇山林科所

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出版历程
- 收稿日期: 1899-12-31
- 修回日期: 1899-12-31
- 发布日期: 2010-09-29

Effects of supplemental lighting treatments on seedling growth of varied provenances in black spruce

1National Engineering Laboratory for Tree Breeding,Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education,Tree and Ornamental Plant Breeding and Biotechnology Laboratory of State Forestry Administration,Beijing Forestry University, 100083,P.R.China; 2 Research Institute of Forestry, Chinese Academy of Forestry,Beijing, 100091,P.R.China; 3 Research Institute of Forestry of Xiaolongshan Mountain, Gansu, 741020,P.R.China.

摘要

摘要: 为了解光照处理下不同种源苗木的性状表现，建立高效的黑云杉补光育苗技术体系，用日光灯、日光色镝灯和碘钨灯3种光源对10个引自加拿大的种源容器苗进行了补光处理试验。结果表明：光照处理可以抑制苗木休眠，促进其持续生长，日光灯午夜补光8 h处理135 d的种源苗高可达对照的5.47倍。光源对苗木生长、枝条和根系分生有显著影响，日光色镝灯的处理效果最好，日光灯更经济方便。用日光灯补光时，以午夜补光8 h的苗木生长最好。苗木性状存在种源与光源的极显著互作效应，说明黑云衫种源在适应光环境上存在较大差异。应重视引种试验的种源选择，在补光育苗中根据种源选择合适光源，以期达到最佳育苗效果。
- 黑云杉 /
- 种源 /
- 育苗 /
- 补光 /
- 苗木性状 /
- 光源 /
- 遗传型与环境互作
Abstract: To understand the seedling trait performance from different black spruce (Picea mariana) provenances with varied light treatments and to establish efficient propagation technique system with supplemental light, container seedlings of 10 black spruce provenances from Canada were treated by 3 light sources of fluorescent lamp, sunlight dysprosium lamp and tungsten lamp. The results showed that light treatment could inhibit seedling dormancy and promote sustaining growth. The seedling height by using fluorescent light for 8 hrs at midnight for 135 days could be up to 5.47 times compared with control. The effect of light sources was significant on seedling growth, shoot and root formation. The treatment for sunlight dysprosium lamps was best, and fluorescent lamp was more economical and convenient. Besides, the seedling grew well when fluorescent lamp was supplemented for 8 hrs at midnight. There were significant interaction effects on seedling traits between light sources and provenances. It was indicated that there were obvious differences for different black spruce provenances in adapting to light environment. Therefore, it should be paid more attention to select appropriate provenances for introduction experiment. The light source should be selected according to the seedling provenances to achieve the optimum breeding results.
- black spruce /
- provenance /
- seedling growth /
- supplemental lighting /
- seedling traits /
- light source /
- genotype and environment interaction

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补光处理对黑云杉不同种源苗木生长的影响

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Effects of supplemental lighting treatments on seedling growth of varied provenances in black spruce

期刊类型引用(8)

其他类型引用(18)

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