干旱胁迫及复水对野韭菜叶绿素和氮含量的影响

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关键词：野韭菜（Alliumtuberosum）；干旱胁迫；复水；补偿作用

中图分类号：S633.3;Q945.78 文献标识码：A

文章编号：0439-8114（2025）06-0124-04

DOI：10.14088/j.cnki.issn0439-8114.2025.06.020 开放科学（资源服务）标识码（OSID）：

Effects of drought stress and rewatering on chlorophyll and nitrogen content in Alliumramosum

ZHOUTing1，FENGShu-lin²，WANGJun-li² （1.Xianyang Academy of Agricultural Sciences，Xianyang 712ooo，Shaanxi，China; 2.XianyangPolytechnic Institute，XixianNewArea 712O46，Shaanxi，China）

Abstract：Aiming toexploretheresponsecharacteritcsofAllium tuberosum（wildchives）todroughtenvironment，takingQinling wildchivsastheexperimentalmaterial，testudyinvestigatedthefectsofdroughtstressandhdratioonitselativechlooyl contentandnitrogecontent.Tersultsshowedthat，withtheextensionofsoildroughtstressti，boththeelativechlorohyllon tentandnitrogecontentofildchivesshowedadecreasing trend，whilethewaterstressindexshowedanincreasingtrendfter1 daysofdroughtreatment，comparedwiththecontrolgroup，thewildchivesexperiencedthemaximudecreaseinrelativechlorophyl content and nitrogen content，which decreased by 39.47% and 30.99% ，respectively.After rehydration treatment，the relative chlorophyllcontentandnitrogencontentofwildchives graduallrecovered.Withtheextensioofrehdrationtimeafterdroughtstress，the recoverofrelatiechohyllontentadnitrogencontntinwildchivsasdiferent.After14daysofrehdratio，theelativechlo rophyllcontentofQiningwildchivesreturedtothecontrollevel，andafterfivedaysofrehydration，thenitrogencontentofQinling wild chives returned to the controllevel.Rehydration stimulatedthe physiologicalcompensation efectofwild chives.

Keywords：Allium tuberosum；drought stress；rewatering；compensation effect

全球气候变化背景下，降水格局改变与气温异常导致干旱、半干旱地区水资源短缺问题日益突出[1]。（剩余4799字）