个杨树无性系蒸腾特性及其影响因子研究

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个杨树无性系蒸腾特性及其影响因子研究

房用¹,慕宗昭²,王月海¹,鲍玉海³,孙蕾¹

1. 山东省林业科学研究院，山东济南250014； 2. 山东林业引用外资项目办公室，山东济南250014；3. 中国科学院水利部成都山地灾害与环境研究所，四川成都610041

收稿日期:2006-06-01 修回日期:1900-01-01 出版日期:2006-10-24 发布日期:2006-10-24
通讯作者: 房用

Transpiration characteristics and its influencing factors of sixteen polar clones

PANG Yong,MU Zong-zhao,WANG Yue-hai,BAO Yu-hai,SUN Lei

1. Shandong Academy of Forest Sciences, Jinan 250014, Shandong, China; 2. Foreign Affair Office at Shandong Forestry Department, Jinan 250014, Shandong, China； 3. Institute of Mountain Hazards and Environment, CAS, Chengdu 610041, China

Received:2006-06-01 Revised:1900-01-01 Online:2006-10-24 Published:2006-10-24
Contact: PANG Yong

摘要/Abstract

摘要： 摘要：对山东省高密地区不同杨树无性系的蒸腾特性及其影响因子进行了研究，结果表明：16个杨树无性系的气孔导度日变化均为单峰型；蒸腾速率与气孔导度的日变化趋势大致相同，16个杨树无性系日平均气孔导度(GS)和蒸腾速率(Tr)的大小次序为：Gs(卡帕茨)>Gs(T66)>Gs(高1号)>Gs(I109)>Gs(中黑防)>Gs(中林2001)>Gs(8029)>Gs(黑林1号)>Gs(NL895)>Gs(NL1388)>Gs(中林2025)>Gs(窄11号)>Gs(L324)>Gs(I110)>Gs(窄055)>Gs(黑林3号); Tr(卡帕茨)>Tr(T66)>Tr(高1号)>Tr(I109)>Tr(中黑防)>Tr(中林2001)>Tr(8029)>Tr(黑林1号)>Tr(NL895)>Tr(NL1388)>Tr(中林2025)>Tr(窄11号)>Tr(L324)>Tr(I110)>Tr(窄055)>Tr(黑林3号). 蒸腾速率与气孔导度的相关性最显著，并主要受光合有效辐射和空气温度等外界环境因子的影响，与空气相对湿度呈负相关关系. 根据以上指标，筛选出适宜在当地推广的杨树无性系.

关键词: 杨树无性系, 蒸腾速率, 气孔导度

Abstract: The transpiration characteristic and its influencing factors were studied based on the observation and research of the samples selected from 16 varieties of poplar clones induced in Gaomi city east of Shandong province. The results show that the general daily changing tendency of 16 poplar clones is generally unanimous with singleapex curve. In addition, changing tendency of transpiration rates is just the same as that of the stomatal conductance. The daily stomatal conductance and transpiration rates are of the following order, Gs(Kapaci)>Gs(T66)>Gs(Gao1hao)>Gs(I109)>Gs(Zhongheifang)>Gs(Zhonglin2001)>Gs(8029)>Gs(Heilin1hao)>Gs(NL895)>Gs(NL1388)>Gs(Zhonglin2025)>Gs(Zhai11hao)>Gs(L324)>Gs(I110)>Gs(Zhai055)>Gs(Heilin3hao); Tr(Kapaci)>Tr(T66)>Tr(Gao1hao)>Tr(I109)>Tr(Zhongheifang)>Tr(Zhonglin2001)>Tr(8029)>Tr(Heilin1hao)>Tr(NL895)>Tr(NL1388)>Tr(Zhonglin2025)>Tr(Zhai11hao)>Tr(L324)>Tr(I110)>Tr(Zhai055)>Tr(Heilin3hao). The mutuality between transpiration rates and stomatal conductance is the most prominent, which is affected mainly by the outer environment factors. The mutuality between transpiration rates and air relative humidityis negative. Based on the above discussion, it is suggested to apply the poplar clones in that region.

Key words: stomatal conductance , transpiration rates, poplar clones

房用,慕宗昭,王月海,鲍玉海,孙蕾 . 个杨树无性系蒸腾特性及其影响因子研究[J]. J4, 2006, 41(6): 168-172 .

PANG Yong,MU Zong-zhao,WANG Yue-hai,BAO Yu-hai,SUN Lei . Transpiration characteristics and its influencing factors of sixteen polar clones[J]. J4, 2006, 41(6): 168-172 .

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