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1.
Genomicsisabiologytermappearedtenyearsago,usedtodescribetheresearchesofgenomicmapping,sequencing,andstructureanalysis,etc.Genomics,thefirstjournalforpublishingpapersongenomicsresearchwasbornin1986.Inthepastdecade,theconceptofgenomicshasbeenwidelyacce…  相似文献   

2.
Torelievethedamageofsalttothecell,manyplantsac cumulatedsomelow_molecularweightorganiccompounds,whichwerecalledosmoprotectant,suchasbetaine,man nitol,andsorbitol.Thereforeifthegene_encodingenzymeresponsibleforsynthesizingtheosmoprotectantwastrans form…  相似文献   

3.
Creation of new plant type and breeding super rice in northern China   总被引:2,自引:0,他引:2  
ThesubjectofbreedingsuperjaponicariceinnorthernChina,wasgrownoutoftheresearchthroughcrossingin dicawithjaponicaandbreedingforidealplanttypes.Sofar,ithasworkedwiththreestages:researchonfunda mentalprinciples,creationofgermplasmsfornewplanttypes(NPT),an…  相似文献   

4.
Plantharbouredproteaseinhibitorisapartofthenaturalplantdefensesys temagainstinsectpredation.Plantstransformedwithforeign plant pro teaseinhibitorgenescanenhancere sistancetoinsectpests.Sofar,atleast20kindsofplants,includingtobacco,rice,tomato,cottoneta…  相似文献   

5.
Transposontaggingisapowerfultoolforgenestudy,es peciallyforgenesamongdifferentplants,suchasAra bidopsis,tobacco,andtomato,etc.Thiseffectivestrategyforgeneisolationhasbeenappliedtoriceandprogresshasbeenmadeinrecentyears.Wedevelopedarapidandhigh efficie…  相似文献   

6.
Whitebackedplanthopper(WBPH,SogatellafurciferaHorvath)isoneofthemostdestructiveinsectsforrice.TheutilizationofWBPHresistancegenesisalwaysanefficientsolutiontothis problem.BesidesfiveWBPHresistancegenesregistered,Wbph1,Wbph2,Wbph3,wbph4,andWbph5 ,class…  相似文献   

7.
Thestudyofantisense_waxygene,coorporatedbyAgronomyCollege,YangzhouUnivandShanghaiPlantPhysiologyRe searchInst,theChineseAcademyofSciences,haspassedtheachievementevaluationrecently.Theresearchgroupcon structedanantisense_waxygenebyutilizingtheself_colo…  相似文献   

8.
Lodgingresistancehasbeenakeytargettraitforraisingyieldpotentialinriceanditisassociatedwithmanycom ponenttraitssuchasplantheightandstemthicknessandstrength,etc.Whilephenotypicselectionforlodgingre sistancehasbeeneffective,itsgeneticbasisremainspoorlyun…  相似文献   

9.
Studyingthesterilityofindica/japonicahybridwasapre requisitefortheutilizationofheterosisinhighyieldricebreeding.In1986,Ikehashietalfoundthatwidecom patibilityvarieties,whichpossessedS5_nallele,couldovercomethesterilityofindica/japonicahybrids,andthest…  相似文献   

10.
WushanRice:ItgrewinhillylandaroundWuMountaininWangCity,HunanProvince.Itsgrainisbrightandtransparent,andthecookedriceissoft,sticky,fragrant,andsweetintaste.Itwasa"TributeRice"inoldtime.IndianIndica:Growing inWuchang City,HubeiProvince,itwasalsocalled"R…  相似文献   

11.
Thedeclineofricequalityandgerminationabilityintheprocessofstoragewasabigproblemtofoodproductionandmanagement.Gasandtemperaturecontrolwasusedtode creasestoragelosing,butselectinggermplasmwithgoodstoragecharacterswasrare.Inpractice,itwasfoundthatstorag…  相似文献   

12.
MingshuiRice:ItoriginatedfromZhangqiuCounty,ShandongProvince.ThecharacteristicsofMingshuiRicewere:absorbingmorewater,swellingupgreatlyafterbeingsoaked,andbeing sticky andsmelling fragrantaftercooked.Lengshuibai:Itwasalsocalled"MaguRice"fromGushanTown,…  相似文献   

13.
Whitebackedplanthopper(WBPH),Sogatellafurcifera(Horvath),isoneofthemostdevastatinginsectpestsonriceinAsia.Itscontrolmainlydependedonthechemicalpesticides.Surveysofinsecticidesusceptibilityrevealedthatorganophos phorusandcarbamateresistancehasemergeds…  相似文献   

14.
FragrantRice2:ThericeoriginatedfromChengguandYangxiancoun ties,ShaanxiProvince.Whencooked,itwasfragrantandwaseasytobedigested.Itwassuitableforoldandweakpersons.ZaocaiguRice:ItwasfromXinchengandTianhuatowns,Ding nanCounty,JiangxiProvince.Thericehadshor…  相似文献   

15.
Rootexudateisamajorindexthatreflectsrootsystemac tivity.Tostudythechangesofrootsystemactivityafterinitialheadingstage,weestablishedaHPLCmethodforanalyzingroot_producedcytokininsofriceexudates,andusedthismethodtomeasurethecomponentsofthecytokinins.Int…  相似文献   

16.
A method to measure the rice kernel chalkiness objectively   总被引:2,自引:0,他引:2  
Ricekernelchalkinessisanimpor tantqualitycharacter.Beingtheun transparent portionsin grainen dosperm,chalkinessisalwaysmea suredbysomesubjectiveeye_judgingmethodsdomestically andinterna tionally.Resultsmeasuredbysuchmethodsaresubjective,inaccurate,anduns…  相似文献   

17.
Afteracomprehensivescreeningof47ricelinesinoculat_edatdifferentdevelopmentstageswith7differentstrainsofXanthomonasoryzaepv.oryzae,weselected2strainsCR1andCR7fromCNRRI,China.Theygavearesistantandsusceptibleinteractionrespectively,whentheywereusedtoinf…  相似文献   

18.
TechnologiesofuplandricepopularizedinOceaniaAneconomictechnologyprogram—Uplandriceperennialrootcultivationtechnique,supportedbyFujianProvince,hasappliedsuccessfullyinPapuaNewGuinea.Thethirdstubblehasachievedabumperharvestrecently,withayieldof6390kg/h…  相似文献   

19.
Itissuggestedthatearlinessisarecessivetrait,thoughtherehavebeenafewreportsonincompletelydominantearliness.Usingaphotoperiod_insensitive,genicmale_sterileandearlymaturingindicaline6442S_7,acompletelydomi nantgeneforearlinesswasdetectedinthisstudy.F1pr…  相似文献   

20.
Ricepaniclelengthisaquantitativetraitcontrollednotonlybygeneticfactorsbutalsobyenvironmentconditions,especiallybynitrogensupplylevel.Itissupposedthatgenesofricepaniclelengthcouldbefullyexpressedundersuffi cientNsupplyandberestrictedbylowNstress.Deter…  相似文献   

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