资源描述:
《野生大豆_glycinesoja_研究现状与建议(research status and suggestion of wild soybean _glycinesoja_)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、野生大豆_glycinesoja_研究现状与建议(Researchstatusandsuggestionofwildsoybean_glycinesoja_)Atdistributionpointsandpreviouslynotinvestigated,wildsoybeanmaybedistributedExtensiveinvestigationsandcollectionwereconductedtoidentifywildsoybeanhabitatsHasbeengreatlydamaged,habitatfragmentati
2、on,resultinginmanygroupsIthasdisappearedandthedistributionareahasdecreased,anditisdifficulttofindlargepopulationsofwildThesurvivalofsoybeansisseriouslythreatened.Forexample,Heilongjiang,JixianCounty,sandditchontheAmpangRiverIn1981,tensofthousandsofsquaremetersofwildsoybean
3、weregrown,nowClearedcropland,wildsoybeanpopulationdisappeared,Heilongjiang,KeshanCounty,HebeiTheoriginal20thousandsquaremeterwildsoybeanonthemeadowofXinminvillageisnowopenTheWildSoybeanPopulationdisappearedinthecultivatedland;Liaoning,Zhangwuusedtobe60thousandsquaremetersW
4、ildsoybeandistributionmeters,andhavingwhiteflowersandwildtypeisprecious.Inthereclaimedpaddyfields,wildwhitesoybeandisappeared;ShanxiFenRiverProjectsupportedbyBeijingNaturalScienceFoundationofChina(6052021)andspecialprojectsupportedbystatefinanceAbouttheauthor:LiXianghua(19
5、70-),afemaleandassociateresearchfellow,studieswildsoybeanresources.Email:xhli@caas.net.cn1994-2010,China,Academic,Journal,Electronic,Publishing,House.,All,,rights,reserved.,http://www.cnki.net4phaseofsoybeanScienceBeforethebeach,wildsoybeanswerewidelydistributed,richintype
6、s,andhad100grainweighttoreachThevariationoftype14.7g,halfwildgray,white,clearmainstemTypeofmutationtypecolorlightgreen,yellow,brown.TheseclassesIthasimportantvalueforthestudyoforigin,evolutionandbreedingofcultivatedsoybeanValue,butnowbecauseofurbanconstructionandlanddevelo
7、pment,theserarewildThetypesofrawsoybeanshaveallgoneaway;throughDaning,Shanxi,KyrgyzstanInvestigation,Hejin,Linyi,YongjicountyandRuichengintheYellowRiverfoundthatduetoLanddevelopment,constructionoffloodcontroldamsandotherreasons,theformerlarge-scaledistributionofwildTheraws
8、oybeanpopulationishardtofind.So,yes,alreadySalvagecollectionofendangeredwildsoybeanresour