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1.
Plantharbouredproteaseinhibitorisapartofthenaturalplantdefensesys temagainstinsectpredation.Plantstransformedwithforeign plant pro teaseinhibitorgenescanenhancere sistancetoinsectpests.Sofar,atleast20kindsofplants,includingtobacco,rice,tomato,cottoneta…  相似文献   

2.
FragrantRice2:ThericeoriginatedfromChengguandYangxiancoun ties,ShaanxiProvince.Whencooked,itwasfragrantandwaseasytobedigested.Itwassuitableforoldandweakpersons.ZaocaiguRice:ItwasfromXinchengandTianhuatowns,Ding nanCounty,JiangxiProvince.Thericehadshor…  相似文献   

3.
Thestudyofantisense_waxygene,coorporatedbyAgronomyCollege,YangzhouUnivandShanghaiPlantPhysiologyRe searchInst,theChineseAcademyofSciences,haspassedtheachievementevaluationrecently.Theresearchgroupcon structedanantisense_waxygenebyutilizingtheself_colo…  相似文献   

4.
WushanRice:ItgrewinhillylandaroundWuMountaininWangCity,HunanProvince.Itsgrainisbrightandtransparent,andthecookedriceissoft,sticky,fragrant,andsweetintaste.Itwasa"TributeRice"inoldtime.IndianIndica:Growing inWuchang City,HubeiProvince,itwasalsocalled"R…  相似文献   

5.
Thedeclineofricequalityandgerminationabilityintheprocessofstoragewasabigproblemtofoodproductionandmanagement.Gasandtemperaturecontrolwasusedtode creasestoragelosing,butselectinggermplasmwithgoodstoragecharacterswasrare.Inpractice,itwasfoundthatstorag…  相似文献   

6.
MingshuiRice:ItoriginatedfromZhangqiuCounty,ShandongProvince.ThecharacteristicsofMingshuiRicewere:absorbingmorewater,swellingupgreatlyafterbeingsoaked,andbeing sticky andsmelling fragrantaftercooked.Lengshuibai:Itwasalsocalled"MaguRice"fromGushanTown,…  相似文献   

7.
Japanese japonicaricecommonlyprovideswithanovicidalresistanceagainstthewhitebackedplanthopper(WBPH).Similarly,ovicidalactivi tywasalsofoundtoplayasignificantroleinastablefieldresistancetoWBPHinsomeChinese japonicarice.Ricevarietieswithovicidalre sistan…  相似文献   

8.
杂交水稻制种病虫害发生规律及防治技术体系的研究Regularityofoutbreakofdisease:andinsectsandthepreventingtechniquesinhybridriceseedproduction王际凤,张学兵,罗勤...  相似文献   

9.
Whitebackedplanthopper(WBPH,SogatellafurciferaHorvath)isoneofthemostdestructiveinsectsforrice.TheutilizationofWBPHresistancegenesisalwaysanefficientsolutiontothis problem.BesidesfiveWBPHresistancegenesregistered,Wbph1,Wbph2,Wbph3,wbph4,andWbph5 ,class…  相似文献   

10.
M.griseacausesoneofthemajordiseasesonrice,riceblast.Appresoriumformationisthekeyforthepathogentopenetrateintohosttissue.So,itisim portanttostudytheeffectofenvironmentalfactorsontheappresoriumformationindetails.Thispaperreportsourre searchesonthissubje…  相似文献   

11.
Recently,agreatprogresswasmadeinbreedingandcul tivationofsuperriceinChina.TheSouthDemonstrationAcceptanceMeetingofChinaSuperRicewasheldinOct17,2000inXinchangCounty,ZhejiangProvince.YieldmonitoringgrouporganizedbytheDepartmentofScience,TechnologyandEd…  相似文献   

12.
Thestrippedstemborer(SSB),Chilosuppressalis(Walker)isoneofthemajorinsectpestsofriceinChi na.ChemicalcontrolhasbeenacommonpracticeinSSBmanagementsince1950s.Insecticidesusedin cludedBHCbefore1983;organophos_phorusinsecticides(methyl_para_thion,trichopho…  相似文献   

13.
Genotypedifferencesontheul tra dryingtolerancesinricehavebeenreported,butthemechanismisstillunknown.Heretherelationshipbe tweenultra dryingtoleranceandheat stableproteinswasstudiedindifferentricecurredundernormaltemperatureandstronglight.Thephotoinhibi…  相似文献   

14.
Itiswellknownthatriceseedcontainslargeamountofseedbornebacterialpathogens.However,littleisknownaboutantagonisticbacteriaofthericeseed.ThissurveywastakentounderstandthedifferenceofthebiologicalagentsofthericeseedinthePhilippines(tropic)andinZhejiangPr…  相似文献   

15.
Recently,anewTGMSsource,UPRI95_140TGMS,hasbeenidentifiedinourhybridbreedingprogram.TheTGMStraithaddisplayeddigenicin heritance.However,thedetailedin vestigationofthelinerevealedmuchcomplicatedinheritance.Thesalientfindingsweresummarizedbelow:1.Basicge…  相似文献   

16.
Abioticstressesincludingpotassiumdeficiencyarelimitingfactorsforincreasing rice yield.Ninerice genotypes(OryzaSativaL.,indica)differinginsensitivitytolowKstressselectedfrom200volume_solutionscreening wereusedinthisstudytoexamineaccumulationandtransloca…  相似文献   

17.
Conservation and utilization of rice genetic resources in China   总被引:1,自引:0,他引:1  
RicegeneticresourcespresentsvariablyinChina.Therearelandracesandwildspecies,cultivatedlowlandriceanduplandrice,indica(Hsien)andjaponica(Keng)rice,early,middle,andlatericeaswellasglutinousandnon_glutinousrice.UptoFebruary2000,atotalof76,646riceaccessi…  相似文献   

18.
Whitebackedplanthopper(WBPH),Sogatellafurcifera(Horvath),isoneofthemostdevastatinginsectpestsonriceinAsia.Itscontrolmainlydependedonthechemicalpesticides.Surveysofinsecticidesusceptibilityrevealedthatorganophos phorusandcarbamateresistancehasemergeds…  相似文献   

19.
Thericestemborer,Chilosuppres salis(Walker),isaseriouspestofrice plantsinChina.Z_11_hexadece_nal(Z11_16:Ald),Z_13_octadecenal(Z13_18:Ald),andZ_9_hexadecenal(Z9_16:Ald)werethemajorcompo nentsoffemalesexpheromone.Thereisfewstudyrelatedtothelurestoragedu…  相似文献   

20.
Wenhua,CNRRI,Hangzhou310006,ChinaSince1990,theChineseGroupofAgricultureExpertshasintroducedninehybridricecombinationstoZambia.Theaverageyieldofthe9combinationswas10.5t/ha,being50 % 60 %higherthanthatofthelocalcommercialvarietiesIITA302andKafuxi5.Weiyou…  相似文献   

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