不同梯度堿脅迫對遼寧濱海稻區(qū)水稻產(chǎn)量和品質(zhì)的影響

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中圖分類號：S511 文獻(xiàn)標(biāo)識碼：A DOI編碼：10.3969/j.issn.1006—6500.2025.05.004

The Impact of Diferent Gradient Alkaline Stresson Rice Yield and Quality in the Coastal Rice-growing Regions ofLiaoning Province

WANG Ruipeng，YU Yahui，XIA Ming，WANG Ying，WANG Tong，QUE Buchao （Liaoning Instituteofsaline-alkaliLand Utilization，Panjin，Liaoning12401O，China）

Abstract：Tofcientlyutizesalinalkalilandndmproviceyieldandqualitytisstudynaldteeetsofdiadi entsofalkalistressonriceandsreesforalkali-tolerantricegermplasmresources，Thericevariety（Yangeng337）andjaponica germplasmresouce（JS9）wereusedasexperimentalmaterials，witonvetionalsolservinastheontrol（CK，pH.91）.Talkali stresstreatmentswereestablished：walkalitreatment（T1，pH8.56）andhighalkalitreatment（2，pH8.81），toinvestigateeeffectsof alkalistressoniceyield，illngppearanc，taste，andcookingquality.eresultsdmonsratedthattetwolkalitole antmaterialsebiteddistictresponsesunderdiferentalkali reatments.UnderTstressYangeng337showednosigiantyield reduction （18.8 % decrease rate），with improved appearance qualitybut declined tastequality.Under T2 stress，itstaste qualitydisplayed a "V" shaped recovery.In contrast，JS9 maintaineda stableyieldreductionrateunder varying alkali stresses，exhibiting strongeralkalitleraneinillngqualityomparedtYangeng337.However，isappeaance，taste，ndcookingqualitiseiat edsignificantlyaspincreased.Insummary，thissdyevealstersposeofceyieldandqualitytoalkalisres.kalioleat ricevarietiescuivatedinsalin-alkalisoilsshowpotentialforimprovinggrainqualityanddevelopingsuperiortastecharacteristics， butfurthebreedingofmorealkaliresistantvarietiesisstillrequired.Futureefortsshouldfocusondevelopinghigldingigh qualityalkalitolerantcevaresndtingorespodingulivantues.Bysientificallutilgmodeatelyli alkalilandresources，itwillbepossible toenhanceboththequalityandyieldofriceinthesechallnging environments.

Keywords： Liaoning coastal rice area;alkali stress;rice;yield; quality

中國是人口大國和糧食消費(fèi)大國，在全球氣候變化加劇、耕地資源日益緊張的背景下，鹽堿地的開發(fā)利用已成為保障糧食安全的重要戰(zhàn)略方向，鹽堿地農(nóng)業(yè)發(fā)展迎來新的機(jī)遇1。（剩余6016字）