[1]杨天慧,张子山,刘永光,等.紫外线B照射提高丝瓜叶片光合机构干旱抗性[J].北方园艺,2021,(16):44-48.[doi:10.11937/bfyy.20204631]
　YANG Tianhui,ZHANG Zishan,LIU Yongguang,et al.Effects of Ultraviolet B Irradiation on the Drought Resistance of Photosynthetic Mechanism in Leaves of Luffa[J].Northern Horticulture,2021,(16):44-48.[doi:10.11937/bfyy.20204631]

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紫外线B照射提高丝瓜叶片光合机构干旱抗性

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2021年16 页码: 44-48 栏目: 出版日期: 2021-08-30

Title:: Effects of Ultraviolet B Irradiation on the Drought Resistance of Photosynthetic Mechanism in Leaves of Luffa

作者:: 杨天慧1; 张子山2; 刘永光1; 李美芹1; 王馨笙3; 吕金浮1; （1.潍坊科技学院设施园艺研究院，山东寿光 262700；2.山东农业大学生命科学学院，山东泰安 271000；3.山东省科学技术协会，山东济南 250001）

Author(s):: YANG Tianhui1; ZHANG Zishan2; LIU Yongguang1; LI Meiqin1; WANG Xinsheng3; LYU Jinfu1; (1.Institute of Horticultural Facilities,Weifang University of Science & Technology,Shouguang,Shandong 262700;2.College of Life Sciences,Shandong Agricultural University,Tai′an,Shandong 271000;3.Shandong Association for Science & Technology,Jinan,Shandong 250001)

关键词:: 丝瓜; 紫外线B; 光合速率; 干旱; 抗性

Keywords:: luffa; ultraviolet B; photosynthetic rate; drought; resistance

DOI:: 10.11937/bfyy.20204631

文献标志码:: A

摘要:: 以“天潍1号”丝瓜为试材，研究了紫外线B（UVB）照射对丝瓜干旱抗性的影响，以期为提高丝瓜植株的干旱抗性提供经济有效的方法。结果表明：干旱胁迫下，经过UVB照射的丝瓜植株维持了较高的光合速率，更通畅的电子传递，以及较低的活性氧含量。UVB照射可在不影响光合碳同化的情况下降低蒸腾速率，从而在干旱处理下保持更高的土壤含水量。在土壤含水量相同的情况下，UVB照射可通过维持较高的光合速率，避免电子传递受阻，从而降低活性氧的产生速率，避免细胞遭受严重的氧化伤害。

Abstract:: The effect of ultraviolet B (UVB) irradiation on the drought resistance of luffa was studied with the ‘Tianwei No.1’ luffa as material,in order to provide an economical and effective method for improving the drought resistance of luffa plants.The results showed that under drought stress,the luffa plants irradiated by UVB maintained a high net photosynthetic rate，a high electron transfer activity,and a lower content of reactive oxygen species.UVB irradiation could reduce the transpiration rate without affecting photosynthetic carbon assimilation,thereby maintaining a higher soil water content under drought treatment.In the case of the same soil water content,UVB irradiation could also maintain high net photosynthetic rate,prevent the blocking of electrons transfer,thereby reduced the generation rate of reactive oxygen species,consequencely prevented the cells from suffering severe oxidative damage.

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备注/Memo

第一作者简介：杨天慧（1983-），女，硕士，讲师，现主要从事蔬菜遗传育种与生理栽培等研究工作。E-mail:yangth1230@163.com.责任作者：吕金浮（1978-），女，硕士，副教授，现主要从事蔬菜花卉遗传育种与生理栽培等研究工作。E-mail:155197349@qq.com.基金项目：国家自然科学基金青年基金资助项目（31701966）；山东省农业重大应用技术创新资助项目（SD2019ZZ004）；山东省高校设施园艺实验室资助项目（2018YY009）。收稿日期：2020-11-04

更新日期/Last Update: 2021-11-29