BEIJING,Jan.5(Xinhua)--AgroupofChineseresearchershasidentifiedthekeygenethatmodifiestheyieldandfiberqualityofuplandcotton,layingthefoundationfortheimprovementofcottontraits,accordingtoarecentissueoftheJournalofAdvancedResearch.Uplandcottonisoneofthefourmajorcottonspeciesandisanimportantcropprovidingnaturalfibersforthetextileindustry.Underthecurrentbreedingandproductionconditions,thereareunprecedentedchallengesfacingthesimultaneousimprovementoffiberqualityandyield,duetotheircomplexnegativecorrelations.However,researchersfromtheInstituteofCottonResearchundertheChineseAcademyofAgriculturalSciencesusedanintraspecificrecombinantinbredlineofuplandcottonpopulationtoidentifythekeygeneGH_D07G2262thatcansimultaneouslymodifytheyieldandfiberqualityofuplandcotton.Theresearchgroupverifiedthefunctionsofthegeneandfoundthatitcanpositivelyregulatefiberlengthandstrength,andnegativelyregulatelintpercentage,whichistheratiooffiberweighttoseedcottonweight,andisanimportanteconomicindexforcottonplanting.Thegroupalsoanalyzedthegeneticbasisofthenegativecorrelationsbetweenfiberqualityandyieldtraitsofuplandcotton,providingnewinsightsintothecomplexgeneticrelationsamongvarioustraits,accordingtothestudy.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.