Effects of Drought Stress on Photosynthetic and Physiological Parameters of Tomato

被引：131

作者：

Liang, Guoting ^{[1
]}

Liu, Junhui ^{[1
]}

Zhang, Jingmin ^{[1
]}

Guo, Jing ^{[2
]}

机构：

[1] Weifang Univ Sci & Technol, Facil Hort Lab Univ Shandong, Weifang, Shandong, Peoples R China

[2] Shandong Agr Univ, Mt Tai Forest Ecosyst Res Stn State Forestry & Gr, Forestry Coll, Tai An, Shandong, Peoples R China

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE | 2020年 / 145卷 / 01期

基金：

中国国家自然科学基金;

关键词：

antioxidant enzymes; chlorophyll fluorescence; gas exchange; Solanum lycopersicum; WATER-STRESS; FLUORESCENCE PARAMETERS; ENZYME-ACTIVITIES; GAS-EXCHANGE; ENERGY; ACCLIMATION; LIMITATIONS; GROWTH; LEAVES; PLANT;

D O I：

10.21273/JASHS04725-19

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

Drought has become an important factor limiting crop yields in China. As an important greenhouse horticultural crop in China, the research of tomato (Solanum lycopersicum L. cv. Jinpeng No.10) is of great theoretical and practical significance. In the study, four different relative soil moisture contents (74% to 80%, 55% to 61%, 47% to 52%, and 25% to 30%) were used to induce drought stress. We investigated changes in photosynthetic gas exchange, chlorophyll fluorescence, and other related physiological parameters in response to different relative soil moisture contents. Drought inhibited the photosynthesis of tomato significantly, as shown by a clear decline in the net photosynthetic rate. Our results indicated stomatal limitation and nonstomatal limitation were responsible for the photosynthesis reduction.

引用

页码：12 / 17

页数：6

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