东乡普通野生稻根际微生物群落特征的研究_英文_

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1、AgriculturalScience&Technology,2011,12(4):527-529Copyright
2011,InformationInstituteofHAAS.Allrightsreserved.AgronomyStudiesontheMicrobialCommunityintheRhizosphereSoilofDongxiangWildRice*DAIFe,iHUANGYun
hong,PENGWei
meng,LILu
ming,LONGZhong
erCollegeofLifeSciences,JiangxiNormalUniversity,Nanchan

2、g330022Abstract
[Objective]TheamiwastostudythecharacteristicsofmicrobialcommunityintherhizospheresoilofDongxiangwildrice(Oryzarufi
pogonGrif.f).[Method]Themicrobialbiomasscarbonandnitrogenwasestmiatedbythechloroformfumigationextractionmethod;themicrobi
alcommunitycompositionandNitrogencyclingmic

3、robialfunctionalgroupswereinvestigatedbytheDilutionplateculturemethodandthemostprobablenumbermethodsrespectively.[Result]Themicrobialbiomasscarbonandnitrogen,inrhizospheresoilofDongxiangWildRicewas83.02
18.23mg/kgsoiland16.98
2.54mg/kgsoi,lwhichwaslowerthanthatofordinarycultivatedrice;Therelatio

4、nshipbetweenthenum
berofculturablemicrobialgroupswasbacteria>actinomycetes>fung,iandtheNitrogencyclingmicrobialphysiologicalgroupswasasthefolow
ing:ammonifyingbacteria>aerobicazotobacteria>denitrobacteria>anaerobicazotobacteria>nitrobacteria>nitrosobacteria.[Conclusion]Themicrobialcommunityinthe

5、rhizospheresoilofDongxiangWildRicewasdifferentfromthatoftheordinarycultivatedrice.Keywords
DongxiangWildRice;Rhizospheremicroorganisms;Communitycomposition

OryzarufipogonGrif.fisakindofpreciousseedsre
into1mlchloroform(inthemeantmie,takingnon
chloroformsourcesinthewholeworld.Itisasignificantmat

6、erialbasisforfumigationascomparison),fumigating24hinthedarkroom[1-2]thedevelopmentofricebreeding.DongxiangOryzarufi
andthenmimerginginto40ml(1
4ratioofsoilandwater)pogonGrif.fisthealreadyfoundmostnorthcommonwildriceKSO,andmimediatelytousecontentanalysismethodand24inChinaandevenintheworldsofar.It

7、carriesrichresistantcolormietrymethodtomeasurethecarbonandnitrogeninmi
[13]characteristicssuchasanti
disease,anti
drough,tandanti
crobiomassintheextractedliquid.coldnessetc.Ithasbeenlistedassecond
gradenationalpro
Numberofrh