Effects of Exogenous Melatonin on Photosynthetic Characteristics of Lettuce Seedlings under NaCl Stress

被引：0
|
作者：
Yan, Zesheng [1 ]
Li, Mi [1 ]
Tang, Yi [2 ]
机构：
[1] Sichuan Agr Univ, Coll Hort, Chengdu, Sichuan, Peoples R China
[2] Sichuan Agr Univ, Inst Pomol & Olericulture, Chengdu, Sichuan, Peoples R China
来源：
PROCEEDINGS OF THE 2016 5TH INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENTAL PROTECTION (ICEEP 2016) | 2016年 / 98卷
关键词：
Melatonin; NaCl stress; Lettuce; Photosynthetic characteristics;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A pot experiment was conducted to study the effects of spraying melatonin(MT) on photosynthesis of lettuce seedlings under NaCl stress. The results showed that net photosynthetic rate(Pn), stomatal conductance(Gs), light use efficiency (LUE) and transpiration rate (Tr) were improved, especially when the concentration of melatonin was 100 mu mol.L-1, increased by 31.85% (P<0.05), 55.82% (P<0.05), 31.85% (P<0.05) and 48.64% (P<0.05) compared withcontrol, respectively. Therefore, exogenous MT could efficiently increase resistance oflettuce seedlings to NaCl stress, and the MT concentration of 100 mu mol.L-1 was the best.
引用
收藏
页码：365 / 369
页数：5
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