氯化胆碱喷施对盐胁迫下玉米幼苗生长 及生理性状的影响

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关键词：氯化胆碱；盐胁迫；生理指标；抗氧化酶；渗透调节物质

中图分类号：S513；S156 文献标志码：A 文章编号：2097-2172（2025）07-0648-06

doi：10.3969/j.issn.2097-2172.2025.07.010

Effects of Foliar Choline Chloride Application on the Growth and Physiological Traits of Maize Seedlingsunder Salt Stress

ZHANG Xiangzhen， TANG Jishan， JIA Naer， BI Siyue， XUE Jiquan， QIN Xiaoliang （College of Agriculture，NorthwestA&F University，Yangling Shannxi 7121oo， China）

Abstract：Soil salinization has becomeoneof the most challngingenvironmental issues worldwide.Improvingcropsalt toleranceiscrucialforutilizingsalinesoilresources.Asalowtoxicityandhighlyfectiveplantgrowthregulato，chlinechloide canffectivelyallviatesaltsressinplants.Maize，asanimporantfoodandforagecop，faces numerouschallnges wengroingin saline soils.Thisstudysystematically investigates the regulatory effects of foliar applied choline chloride on the maize seedling growthundersaltstresstroughintegratedphysiologicalmeasurementsandmolecularbiologyapproaches.Theresultsdemonstrate thatcholinechdealcationundersaltstrsssignificantlyinreassotlngtheanesclorophllontent，improesogn uptakecapacitypromotesosmoregulatorysubstance（solubleprotein）accumulation，educesmalondialdehydecontent，andleates antioxidantenzymeactivities（SOD，CAT），therebyaleviatingsaltstressdamage throughmultiplepathways.Thisstudyprovides theoreticalandtechnicalsupportformaizeproductionisalinesoilsndofersreferencesforehancingsedingstresrsistance and cultivating vigorous maize seedlings.

Key Words： Choline chloride; Salt stres; Physiological index; Antioxidant enzyme; Osmoregulatory substance

土壤盐渍化对农业生产活动产生的影响是一个全球性的问题，世界上大约有 20% 的灌溉土壤受到盐度的影响，且呈不断恶化的趋势[]。（剩余7414字）