Photosynthetic Characteristics of Five <i>Melia azedarach</i> L. Clones

JIAO Zhong-yi; TANG Ling-ling; QIU Shu-guang; YAN Rui-chang; ZHANG Jue; ZHANG Li

doi:10.16779/j.cnki.1003-5508.2017.05.008

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Volume 38 Issue 5

Nov. 2019

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Article Navigation > Journal of Sichuan Forestry Science and Technology > 2017 > 38(5): 38-40

JIAO Zhong-yi, TANG Ling-ling, QIU Shu-guang, YAN Rui-chang, ZHANG Jue, ZHANG Li. Photosynthetic Characteristics of Five Melia azedarach L. Clones[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(5): 38-40. doi: 10.16779/j.cnki.1003-5508.2017.05.008

Citation:

JIAO Zhong-yi, TANG Ling-ling, QIU Shu-guang, YAN Rui-chang, ZHANG Jue, ZHANG Li. Photosynthetic Characteristics of Five Melia azedarach L. Clones[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(5): 38-40. doi: 10.16779/j.cnki.1003-5508.2017.05.008

Photosynthetic Characteristics of Five Melia azedarach L. Clones

doi: 10.16779/j.cnki.1003-5508.2017.05.008

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Jiangsu Academy of Forestry, Nanjing 211153, China;Lubao Forestry Development Limit Company of Jiangsu, Nanjing 211153, China

Received Date: 2017-05-26

Abstract

To better understand the photosynthetic characteristics of Melia azedarach L. clones, investigations were made on leaf photosynthetic parameters of five different clones. Leaf net photosynthetic rate(Pn), stomatal conductance(Gs), leaf transpiration rate(Tr)and intercellular CO₂ concentrations (Ci) were measured by using a portable Licor 6400 photosynthesis system (LI-6400) and then further analysed. The results showed that intercellular CO₂ concentrations (Ci) and physiological water-use efficiencies (WUE) of the five different clones exhibited highly significant differences. Leaf net photosynthetic rate(Pn)and leaf transportation rate(Tr)showed significant differences while stomatal conductances(Gs)of the five clones non-significant. Among them, the three clones, J104 (‘Jiangsu 104’)、J7 (‘Jiangsu 7’) and J61 (‘Jiangsu 61’) had a relatively higher net photosynthetic rate than other clones. Moreover, J61 had a higher water-use efficiencies(WUE).
- Melia azedarach L.;
- Clones;
- Photosynthetic characteristics
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Photosynthetic Characteristics of Five Melia azedarach L. Clones

doi: 10.16779/j.cnki.1003-5508.2017.05.008

Jiangsu Academy of Forestry, Nanjing 211153, China;Lubao Forestry Development Limit Company of Jiangsu, Nanjing 211153, China

Received Date: 2017-05-26

Key words:

Abstract: To better understand the photosynthetic characteristics of Melia azedarach L. clones, investigations were made on leaf photosynthetic parameters of five different clones. Leaf net photosynthetic rate(Pn), stomatal conductance(Gs), leaf transpiration rate(Tr)and intercellular CO₂ concentrations (Ci) were measured by using a portable Licor 6400 photosynthesis system (LI-6400) and then further analysed. The results showed that intercellular CO₂ concentrations (Ci) and physiological water-use efficiencies (WUE) of the five different clones exhibited highly significant differences. Leaf net photosynthetic rate(Pn)and leaf transportation rate(Tr)showed significant differences while stomatal conductances(Gs)of the five clones non-significant. Among them, the three clones, J104 (‘Jiangsu 104’)、J7 (‘Jiangsu 7’) and J61 (‘Jiangsu 61’) had a relatively higher net photosynthetic rate than other clones. Moreover, J61 had a higher water-use efficiencies(WUE).