柚木无性系光合生理特征与生长综合评价

doi:10.7525/j.issn.1673-5102.2020.02.007

植物研究 ›› 2020, Vol. 40 ›› Issue (2): 209-216.doi: 10.7525/j.issn.1673-5102.2020.02.007

柚木无性系光合生理特征与生长综合评价

刘炳妤, 黄桂华, 梁坤南, 王西洋, 陈天宇, 周再知, 杨光

中国林业科学研究院热带林业研究所, 广州 510520

收稿日期:2019-07-07 出版日期:2020-03-05 发布日期:2020-03-06
通讯作者: 梁坤南,E-mail:chinateak@163.net E-mail:chinateak@163.net
作者简介:刘炳妤(1993-),女,硕士研究生,主要从事柚木选育方面的研究。
基金资助:
"十三五"国家重点研发计划——"柚木高效培育技术研究"（2016YFD0600602）课题；中央级公益性科研院所基本科研业务费专项资金"柚木降香黄檀良种选育研究"（CAFYBB2017ZA001-7）

Evaluation of Photosynthetic Characteristics and Growth Traits in Teak(Tectona grandis L.f) Clones

LIU Bing-Yu, HUANG Gui-Hua, LIANG Kun-Nan, WANG Xi-Yang, CHEN Tian-Yu, ZHOU Zai-Zhi, YANG Guang

Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520

Received:2019-07-07 Online:2020-03-05 Published:2020-03-06
Supported by:
National key research and development plan of the 13th five-year plan "research on teak efficient cultivation technology"(2016YFD0600602) project;Special fund for basic scientific research operating expenses of public welfare research institutes at the central level "research on the selection and breeding of improved teak sandalwood species"(CAFYBB2017ZA001-7)

摘要/Abstract

摘要： 为了掌握柚木无性系光合生理与生长性状遗传变异规律，筛选出优良无性系。基于柚木无性系测定林，测定选自不同种源的19个无性系+1个对照的气体交换、叶绿素荧光参数和生长性状，分析柚木无性系光合生理特征及其与生长的关系。结果表明：气体交换、叶绿素荧光参数和树高在柚木不同无性系间、不同种源间都存在极显著差异，除了PSⅡ最大光化学效率（F_v/F_m），其他各性状都具有丰富的遗传变异，但净光合速率等光合生理参数与树高生长没有显著的相关性。结论：早期选出71-7、FS3为光合速率高和树高生长好的优良无性系，起源于印度的柚木资源可作为今后高光效育种选择的重点，需要对光合生理和生长测定进行综合评价才能准确地筛选优良无性系。

关键词: 柚木, 无性系, 光合生理, 生长性状, 遗传变异

Abstract: This study was to analyze the genetic variation of photosynthetic physiology and growth trait among teak clones, and to select superior teak clones. The gas exchange, chlorophyll fluorescence parameters and tree height of 19 teak clones and one CK which selected from different provenances were measured based on a field testing forest, the photosynthetic characteristics and their relationships were analyzed. The gas exchange, chlorophyll fluorescence and growth traits had very significant difference among teak clones and provenances. There were abundant genetic variation in measured traits in teak clones except maximum photochemical ef?ciency of PSⅡ(F_v/F_m). Photosynthetic physiology of P_n had no significantly correlation with height growth at early stage. The clones 71-7 and FS3 were selected with relatively higher photosynthesis rate and growth. Emphasis should be put on the resources introduced from India in further breeding research that aims at high photosynthetic efficiency in teak. Photosynthetic physiology and field growth should be evaluated to selected superior teak clones.

Key words: Tectona grandis, clone, photosynthetic physiology, growth trait, genetic variation

中图分类号:

Q949.777.5

刘炳妤, 黄桂华, 梁坤南, 王西洋, 陈天宇, 周再知, 杨光. 柚木无性系光合生理特征与生长综合评价[J]. 植物研究, 2020, 40(2): 209-216.

LIU Bing-Yu, HUANG Gui-Hua, LIANG Kun-Nan, WANG Xi-Yang, CHEN Tian-Yu, ZHOU Zai-Zhi, YANG Guang. Evaluation of Photosynthetic Characteristics and Growth Traits in Teak(Tectona grandis L.f) Clones[J]. Bulletin of Botanical Research, 2020, 40(2): 209-216.

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柚木无性系光合生理特征与生长综合评价

Evaluation of Photosynthetic Characteristics and Growth Traits in Teak(Tectona grandis L.f) Clones

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