ChinaFocus:Chinaemployssci-techtoimprovebiologicalbreeding,seedvarieties_GuangmingOnlineBEIJING,Feb.10(Xinhua)--Chinahasboosteditsbiologicalbreedingindustrythroughscientificandtechnologicalmethods,contributinggreatlytothecountry'ssteadysupplyofgrainandothermajoragriculturalproducts.Inrecentyears,Chinahassolidlypushedforwarditsseedindustryrevitalization,andhasachievedanumberofbreakthroughs.Chinahasindependentlybredthreenewwhite-featherbroilerchickenvarieties,therebyendingitspreviouscompletedependenceonimports,accordingtothelateststatisticsfromtheMinistryofAgricultureandRuralAffairsandtheChineseAcademyofAgriculturalSciences.Themarketshareofthesenewvarietiesreached25.1percentin2023andtheywereexportedabroadforthefirsttimelastyear.Chinalastyearalsosuccessfullycultivatedanewoilseedrapevarietywithagrowthperiodofonlyabout169days.ThisshortgrowthcycleenablesfarmerstofullyutilizethewinterfallowfieldsinsouthernChinabyplantingoilseedrapewithoutdelayingtheplantingofearlyseasonricethefollowingyear.Inaddition,Chinahasmanagedtoestablishanindependentandcompletebio-breedingresearchanddevelopmentsystem,andhassecuredindependentintellectualpropertyrightsandcoretechnologiesconcerningimportantgenesandgeneticfeatures,suchasinsectresistance,herbicidetolerance,droughtresistance,salttolerance,andimprovednutritionalquality.Recently,thecountry's37geneticallymodifiedcornvarietiesand14geneticallymodifiedsoybeanvarietiespassedpreliminaryexaminations,accordingtotheministry.Thismarkedapioneeringstepfortheindustrializationofbio-breeding.Thesegeneticallymodifiedcropsshowedbothoutstandingherbicide-tolerantandinsect-resistanttraits.Theycouldalsoseea10percentriseinyields,demonstratinggreatdevelopmentpotential.Asthe"chips"ofagriculture,seedsarecrucialtothedevelopmentoftheindustry.Acceleratingthepromotionandapplicationoftransgenictechnologyisaninevitablechoiceforincreasingfutureinternationalcompetitivenessandoptimizingindustrialdivision,andisalsoakeywaytoensurethecountry'sfoodsecurityandboostthesustainabledevelopmentofagriculturalscienceandtechnology.Thecontributionrateofimprovedvarietiestotheincreaseingrainyieldcurrentlyexceeds45percent,accordingtoofficialstatistics.Asacorefocusareaforthedevelopmentoftheseedindustry,sci-techinnovationwillhelpimproveChina'sagriculturalsci-techlevelandnarrowtheproductioncapacitygapbetweenChinaandsomeleadingforeigncountries."Thecoregoalsinthefuturearetoincreaseproductionandimprovethequalityofseeds,reducetheuseofchemicalfertilizersandpesticides,anddecreaselossescausedbynaturaldisasters,"saidLiJiayang,anacademicianoftheChineseAcademyofSciences.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.