ComprehensiveEvaluationofSaline-alkalineToleranceof10MutantLinesofRiceatDifferentGrowthStagesZHANGXin1,2,LIJing-peng1,WENXiao-ting1,2,YANGFu1*(1NortheastInstituteofGeographyandAgriculturalEcology,CAS,Changchun130012,China;2UniversityofChineseAcademyofSciences,Beijing100049,China)Abstract:InordertobreednewricevarietiessuitableforplantinginthesalineareaofsodainwesternJilinProvince.TakingChangbai-9asthecontrol,thesaline-alkalinetoleranceof10mutantlinesofriceatthreegrowthstages(germination,seedlingandadultstage)wasevaluatedunderdifferentsaline-alkalineconcentration.Theresultsshowedthatundersaline-alkalinestress,thesaline-alkalinetoleranceof10mutantlinesofricedifferedatgermination,seedlingandadultstages,andthecorrelationanalysisshowedthattherewasnosignificantcorrelationbetweenthethreegrowthstages.Twomutantlinesofricewithstrongsaline-alkalinetoleranceatthreegrowthstageswerescreenedoutinordertoprovidematerialsandmethodsforsaline-alkaline-tolerantbreedingofrice.Keywords:Rice;Mutantlines;Salinealkalinetolerance;Comprehensiveevaluation;Correlation10份水稻诱变品系在不同生育时期的耐盐碱性综合评价张鑫1,2,李景鹏1,温晓婷1,2,杨福1*(1中国科学院东北地理与农业生态研究所,长春130012;2中国科学院大学,北京100049)摘要:为选育适应于吉林省西部苏打盐碱区种植的水稻新品种,以长白9为对照,在不同盐碱浓度下对10份高世代水稻诱变品系的三个生育时期(萌发期、苗期、成熟期)进行了耐盐碱性评价。结果表明:盐碱胁迫下,10份水稻诱变品系在萌发期、苗期和成熟期的耐盐碱性表现有所差异,相关分析表明在三个生育时期之间无显著相关性;筛选出2份在三个生育时期均具有较强耐盐碱性的水稻诱变品系,以期为水稻耐盐碱育种提供材料和方法。关键词:水稻;诱变品系;耐盐碱性;综合评价;相关性中图分类号:S511.037文献标志码:A文章编号:1673-6737(2023)02-0001-07基金项目:黑土地保护与利用创新工程专项(XDA28110102);兰州重离子研究装置支持(HIR2021ZD005)。收稿日期:2022-07-24作者简介:张鑫(1995-),男,硕士研究生,主要从事水稻耐盐碱育种研究。*通讯作者:杨福(1965-),男,研究员,主要从事水稻育种及水稻栽培生理研究。水稻是世界...