盐和干旱胁迫下氮磷钾元素对甜高梁生长的影响

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关键词N、P、K元素;耐旱性；盐胁迫；种子萌发率；甜高梁

中图分类号S514文献标识码A

文章编号 0517-6611（2025）23-0150-08

doi：10. 3969/j. issn. 0517-6611. 2025. 23. 033

开放科学（资源服务）标识码（OSID）：

Efects of Diferent Levelsof NitrogenPhosphorus and Potassiumon Sweet Sorghum Seedings Under Salinityand Drought Stre GUOQi-long1，e1，OGJing-u（1.ColgeofLifeieeserongolaAgiculuralUiversityr MongolialOol8;2.InerMongoliaAutonomousRegionKeyLaboratoryofPlantAdversityAdaptationandGeneticModfationIprovet in Arid and Cold Regions，Hohhot，Inner Mongolia O10018）

Abstract-7stsoseedsreusdsexperientalateralstsudteectsoffntnrgenospousdas levelsonthalaldesohatttfrt， londialdehyde（MDA）andperoxidase（POD）andgerminationundersaltstres.Theresultsshowedtatthephysiologicalandbiocical indexesofsweetsorgusedlingsgrebtruderroughtstressenNHCloncentrationas3Omol/L，Clcoentrationwas 20mmol/L and NaH2PO4 concentration was 6mmol/L.Under 40 mmol/LNaCl stress，the effects of salt stress couldbe effectivelyallviated whentheconcetratiosofrnohosdoasse，ndol/spielyisprodsanporateor furtheroptimizing the fertilizerratio when planting sweetsorghumto improve itsdroughttoleranceand salttolerance.

Key wordsNitrogen，phosphorus，and potassium;Drought tolerance;Salt stress;Seed germinationrate;Sweet sorghum

全球气候变化是当今世界面临的重要挑战之一，极端气候事件频繁发生，干旱、高温等极端气候给作物生长发育带来了严重影响[1]。（剩余13203字）