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1.
Atthebeginningof1994,CRRN(ISSN1005_4111)wasinternationallypublishedquarterlyafterthree - yearir regularpublication.ItistheonlyperiodicalinChinaaboutChinesericeintheEnglishlanguage.Itprovidesinformationonthemainareasofagro_biosciencesonChineserice,sucha…  相似文献   

2.
Bacterialisolatesof1274wereobtainedfrompaddysoil,sclerotiaofRhizoctoniasolani,lesionsofsheathblight(ShB),andriceplants.Sixty_onestrains,4.8 %ofthetotalisolates,showedstrongantagonisticabilityagainstR.solani.About57 %(727)wasmoderateandweakantag onistic…  相似文献   

3.
培矮64S化学助繁剂的初步研究APreliminarystudyonchemicalpropagativeagentesforPei’ai64S肖国樱(湖南杂交水稻研究中心410125)水稻低温敏核不育系培矮64S由于导致不育的临界温度较低,与低温造...  相似文献   

4.
In1992,acrosswasmadebetweenXieqingzaoB,themaintainerlineoftheCMSXieqingzaoAwhichwasawild_abortivetype,andIR58025Btoimprovegrainap pearanceandcookingqualityoffemaleparentsofhybridrice.Atotalof23plantswereselectedfrom1238oftheF2populationin1993.Sixteen…  相似文献   

5.
ThesomaclonalmutantHX_3hasshownabroadspectrumresistancetobacterialblight.TostudytheinheritanceofthebacterialblightresistanceinHX_3,acrosswasmadebetweenHX_3andasusceptiblecultivarLongtefuA.TheF2populationof418plantswasinoculatedwithChinesebacterialbli…  相似文献   

6.
姜超  黄士俊 《杂交水稻》1997,12(5):36-37
培矮64S×C418特征特性及高产栽培技术研究ThecharacteristicsofPei'ai64S×C418anditshigh-yieldingculturaltechniques姜超黄士俊王甫同(江苏省阜宁县农业局224400)(盐城市农业...  相似文献   

7.
两系杂交稻培矮64S×湘早籼1号制种技术初探Apreliminarystudyontheseedproductiontechniquesfortwo-linehybridricePei'ai64S×Xiangzaoxian1龚光雄周卜龙张腊英王旭宇黄...  相似文献   

8.
In-situ conservation of Dongxiang wild rice   总被引:1,自引:0,他引:1  
In1978_82,theninecommunitiesofDongxiangwildrice(DXWR)belongingtoOryzarufipogonhadbeenfoundscattering about2_3hectaresinDongxiang County ofJiangxiProvince.Dongxiangissituatedat28°14′N,116°36′Eandelevationof47.6m,belongingtothezoneofredsoil.Itisthenorth…  相似文献   

9.
Itissuggestedthatearlinessisarecessivetrait,thoughtherehavebeenafewreportsonincompletelydominantearliness.Usingaphotoperiod_insensitive,genicmale_sterileandearlymaturingindicaline6442S_7,acompletelydomi nantgeneforearlinesswasdetectedinthisstudy.F1pr…  相似文献   

10.
SuperhybridriceXieyou9308,yielded11_12t/ha,wasbredinChina.Toprovidethe physiologicalbasisforsuperhybridricebreeding,wecarriedoutacomparativephysio logicalstudy ofXieyou9308andXieyou63,usingthehighyieldhy bridriceXieyou63(9.8t/ha)ascontrol.Resultsshowed…  相似文献   

11.
培矮64S再生复育特性初报   总被引:4,自引:0,他引:4  
赵德明  林纲 《杂交水稻》1997,12(3):34-34
培矮64S再生复育特性初报ApreliminaryreportonthefertilityrestorationofPei'ai64Sbyratooning赵德明林纲李云武(四川省宜宾地区农科所644000)培矮64S是首批具实用价值的水稻两用核不育...  相似文献   

12.
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   

13.
Fromover800fungalstrainsofTri chodermaSpp.,6strainswerefoundtogreatlyinhibitthegrowingofRhi zocotoniasolani,thepathogenofricesheathblightindualculture.Amongthem,strainT3wasthebestantago nist,whichreducedthe growing ofthepathogenby52.54%(Table1).Infield,…  相似文献   

14.
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   

15.
Toexplorethemechanismsofthedifferencesincapacitiesrelatedtophotodamage_resistanceofindicaandjaponicasubspecies,thexanthophyllcyclecomponents,violaxan thin(V),antheraxanthin(A),zeaxanthin(Z),PSⅡ_D1_proteincontents,andPSⅡ photochemicalefficiency(Fv/Fm)w…  相似文献   

16.
Aninterspecifichybridlinepf9279wasobtainedbyproto plastfusionbetween02428(japonica,withawidecom patibilitygene)andCNW240(O.officinalis,fromMalaysia)atCNRRIin1992.PossibleintrogressionofplanthopperresistancefromO.officinalisintopf9279wasinvestigatedbyf…  相似文献   

17.
Thestrippedstemborer(SSB),Chilosuppressalis(Walker)isoneofthemajorinsectpestsofriceinChi na.ChemicalcontrolhasbeenacommonpracticeinSSBmanagementsince1950s.Insecticidesusedin cludedBHCbefore1983;organophos_phorusinsecticides(methyl_para_thion,trichopho…  相似文献   

18.
After4yearswork,theprogram"Developmentofnewhigh_qualityjaponicavarietyandstudyofthejaponicaintroductionfromnorthtosouth",directedbyProfCHEN Wenfu,CollegeofA gronomy,ShenyangAgriUniv,hadcompletedsuccessfully."Shengnong9017",agood_quality,high_yieldjapo…  相似文献   

19.
Thechemicalcompositionofphloemsapisveryimportantinunderstandingthemechanismofhostresistanceofricetothewhitebackedplanthopper(WBPH),Sogatellafurcifer a,aphloem_feeder.Usingstylectomymethod,30doldplants′phloemsapofricevarietiesZhefu802andTN1,whichweres…  相似文献   

20.
潜伏期──玉米大斑病抗性选择的可用指标D.R.Smith,J.G.Kinsey1939年以前,在美国由玉米大斑病菌(Exserobilumturcicum(Pass.)LeonardandSuggs=HelminthosporiumturcicumP...  相似文献   

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