镉胁迫下两种不同耐受性花生农艺性状与抗氧化酶活性分析
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中图分类号：X503.23；S565.2 文献标志码：A 文章编号：1672-2043（2025）06-1451-07 doi：10.11654/jaes.2024-0661
Analysis ofagronomic traitsand antioxidant enzymeactivities undercadmium stress in twodiffrent tolerant peanuts
YINYechao，DONGJingchao，ZHANGYu’，WANGLifu’，WANGTengjiao，ZHANGShihang，GAOZhiyong'，GAOLeilei，WUJiin YU Shutaol*
（1.InstituteofSandyLandManagementandUtlizationofLiaoning，Fuxin23OChina;2.FacultyofAgronomyJilinAgriculural University，Changchun130118，China）
Abstract：Toaalyzetediferencesinteresponseofdiferentpeautvarietiestocadmiumstressintersofphenotypicieldand physiologicaldicuringeiticaleproducieperdUsingdierenttoleratpeautvaretisateals，tramntofplatgsoil withdiferentcotetofcadmstrssatciticalreprodctiveprods，easuremntofdcatorseultssoredsigooc traitsdifferedamongtolerantpeautvaretissubjectedtocadmumstress.Cadmim-tolerantvaretisshoedanincreasintrdinan stemheight，lateral branch length，and total number of branches，soil cadmium content reached a maximum at 2mg⋅kg-1 in all cases， cadmium-intolerantvarietiesshowedanincreasingandthendecreasingtrendaftercadmiumstressTherewasnoefectonthenuberof singleanddoublefoftondthotalfruitweihtdumbfllfruitsesigifiatlyeedeoalfrit weightallshowed a trend of increasing and then decreasing，with maximum increases of 68.12% and 72.81% ，thenumber of full fruitswere significantly reduced，with maximum decreases of 18.00% and 29.91% .The kernels of different tolerant varieties showed different accumulationandtrendsofcadmium.Cadmiumaccumulationinkernelsofcadmium-tolerantvarietiesshowedatrendofincreasingand thenemainingstable，whilecadmium-intolerantvarietiesshowedatrendofgraduallincreasing.Thetwovarietisofpanutdieredin their membranelipidtolerance，andthemalondialdehyde（MDA）contentvariedsignificantlyamong thereproductiveperiods，cadmiumtolerantvarietieshdhghermembranelipidtolerancethancadmium-intolerantvaretis.Peroxidase（POD）activitydiferedsignificantly betweenthetwovarieties，cadmium-tolerantvarietieshadsignificantlyhigherPODactivitythancadmium-intolerantvarietiesandhad highercadmiumstresstolerance.Insummary.There weresignificant diferences inagronomictraitsandphysiologicalresponsesamong toleranteautareticodingttroductiods，ielygatoyinteentiosurigcitialpauteproducties ensure the safety of edible peanuts.
Keywords：cadmium stress; tolerance; peanut; agronomic trait; physiological indicator
随着工业冶炼过程中“三废"的排放，土壤环境中的重金属不断累积，其中土壤镉污染占有较高比例[-2]。（剩余12210字）