Exogenous choline chloride enhances salt tolerance in wheat and its underlying physiological mechanisms.

IF 4.1 2区 生物学 Q1 PLANT SCIENCES
Frontiers in Plant Science Pub Date : 2025-09-24 eCollection Date: 2025-01-01 DOI:10.3389/fpls.2025.1671734
Feng Zhou, Guoquan Wang, Panpan Lu, Yan Liu, Zengbing Guo, Xinhui Wang, Zifan Zhou, Li Xu, Ying Zhang, Weiguo Li, Runqiang Liu
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引用次数: 0

Abstract

Soil salinity is a major abiotic stress that seriously impairs crop growth and development, limiting global food production. As a primary staple food, wheat reduced grain yield and quality under salt stress, posing significant challenges to food security. Recent studies indicate that choline chloride, a safe and efficient plant growth regulator, can alleviate drought symptoms in wheat seedling and enhance crop salt tolerance.In this study, the growth and physiological indexes of wheat seedlings were determined by hydroponics.The current study demonstrates that application of 400 mg.L-1 choline chloride effectively mitigates salt stress symptoms in wheat seedlings. Specifically, it increases leaf chlorophyll content while reducing osmic and oxidative stress biomarkers. Furthermore, choline chloride treatment significantly boosts the activity of key reactive oxygen species (ROS)-scavenging enzymes. These findings hold considerable promise for famers cultivating saline soils.

外源氯化胆碱增强小麦耐盐性及其生理机制。
土壤盐碱化是一种主要的非生物胁迫,严重损害作物生长发育,限制全球粮食生产。小麦作为主要粮食作物,在盐胁迫下产量和品质下降,对粮食安全构成重大挑战。近年来的研究表明,氯化胆碱是一种安全高效的植物生长调节剂,可以缓解小麦幼苗的干旱症状,提高作物的耐盐性。本研究采用水培法测定了小麦幼苗的生长和生理指标。目前的研究表明,应用400毫克。L-1氯化胆碱能有效缓解小麦幼苗的盐胁迫症状。具体来说,它增加了叶片叶绿素含量,同时降低了渗透和氧化应激生物标志物。此外,氯化胆碱处理显著提高了关键活性氧(ROS)清除酶的活性。这些发现对种植盐碱地的农民具有相当大的希望。
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来源期刊
Frontiers in Plant Science
Frontiers in Plant Science PLANT SCIENCES-
CiteScore
7.30
自引率
14.30%
发文量
4844
审稿时长
14 weeks
期刊介绍: In an ever changing world, plant science is of the utmost importance for securing the future well-being of humankind. Plants provide oxygen, food, feed, fibers, and building materials. In addition, they are a diverse source of industrial and pharmaceutical chemicals. Plants are centrally important to the health of ecosystems, and their understanding is critical for learning how to manage and maintain a sustainable biosphere. Plant science is extremely interdisciplinary, reaching from agricultural science to paleobotany, and molecular physiology to ecology. It uses the latest developments in computer science, optics, molecular biology and genomics to address challenges in model systems, agricultural crops, and ecosystems. Plant science research inquires into the form, function, development, diversity, reproduction, evolution and uses of both higher and lower plants and their interactions with other organisms throughout the biosphere. Frontiers in Plant Science welcomes outstanding contributions in any field of plant science from basic to applied research, from organismal to molecular studies, from single plant analysis to studies of populations and whole ecosystems, and from molecular to biophysical to computational approaches. Frontiers in Plant Science publishes articles on the most outstanding discoveries across a wide research spectrum of Plant Science. The mission of Frontiers in Plant Science is to bring all relevant Plant Science areas together on a single platform.
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