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1.
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
2.
CHENJing 《中国水稻研究通报》2000,8(2):12-12
Liangyou_Peijiu(65002),aninter_subspecieshybrid,wasbredinJiangsuAcadofAgriSci(JAAS)bytwo_linemethod.Thefemalewasalow_temperature_sensitivesterileline,Pei′ai64s(japonica),andthemalewas9311.Pei′ai64swasbredbyChinaNationalHybridRiceResearchandDevelopmen… 相似文献
3.
短光敏不育水稻宜DS1异交性观察初报 总被引:1,自引:0,他引:1
短光敏不育水稻宜DS_1异交性观察初报AnobservationontheoutcrossingcharacterofYiDS1,aPGMSricewiththesterilityinducedbyshortdaylength黎世龄,高一枝,李会如,... 相似文献
4.
LIRongbai 《中国水稻研究通报》2001,9(3):6-7
Recently,anewTGMSsource,UPRI95_140TGMS,hasbeenidentifiedinourhybridbreedingprogram.TheTGMStraithaddisplayeddigenicin heritance.However,thedetailedin vestigationofthelinerevealedmuchcomplicatedinheritance.Thesalientfindingsweresummarizedbelow:1.Basicge… 相似文献
5.
CHENWenfu CHENGHongwei LIULixia XUZhengjin 《中国水稻研究通报》2000,8(3):7-8
Anewtechniqueofsamplepreparationforobservingthestomatalcharactersofriceleaf,thedesiliconizationandscrapingintoshapemethod,wasdeveloped.Themajoroperatingproceduresareasfollows:1.Samplingandfixing Cutthetestmaterialper pendicularlytothemainleafvein.Thes… 相似文献
6.
Study on the ancient cultivated rice in China 总被引:1,自引:0,他引:1
ZHANGWenxu 《中国水稻研究通报》2000,8(1):11-12
SSixty eightancientcultivatedricegrainsof10ruinsof2000 15000BPintheChangjiangRivervalleywerestudiedbyanalyzinggrainshape,using discri minatformulasofbi peakedtubercle(BPT)withtheG(x)=44.4788 -0.4308X1-0.4263X2 0.078X3,whereX1isbi peakeddistance(BPD),X2isp… 相似文献
7.
籼型两系杂交水稻杂种优势的比较研究 总被引:1,自引:0,他引:1
利用培矮64S等5个籼型两用不育系与明恢63等14个籼型或广亲和品种共配成60个两系杂交水稻组合,分析了各不育系杂种8个主要农艺性状的杂种优势。结果表明:5个两用不育系的杂种均具有明显的产量超亲优势和一定比例的产量竞争优势组合,其中以YS-1最高,其次为测64S和培矮64S;60个F1代组合中,具产量竞争优势的组合共9个,其中以安湘S×YR15、YS-1×湘香籼6号、培矮64S×YR10等5个组合的产量竞争优势最高。 相似文献
8.
Thechemicalcompositionofphloemsapisveryimportantinunderstandingthemechanismofhostresistanceofricetothewhitebackedplanthopper(WBPH),Sogatellafurcifer a,aphloem_feeder.Usingstylectomymethod,30doldplants′phloemsapofricevarietiesZhefu802andTN1,whichweres… 相似文献
9.
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
10.
Fromover800fungalstrainsofTri chodermaSpp.,6strainswerefoundtogreatlyinhibitthegrowingofRhi zocotoniasolani,thepathogenofricesheathblightindualculture.Amongthem,strainT3wasthebestantago nist,whichreducedthe growing ofthepathogenby52.54%(Table1).Infield,… 相似文献
11.
JIBenhua JIAODemao 《中国水稻研究通报》2000,8(2):9-10
Toexplorethemechanismsofthedifferencesincapacitiesrelatedtophotodamage_resistanceofindicaandjaponicasubspecies,thexanthophyllcyclecomponents,violaxan thin(V),antheraxanthin(A),zeaxanthin(Z),PSⅡ_D1_proteincontents,andPSⅡ photochemicalefficiency(Fv/Fm)w… 相似文献
12.
LIyueying CHENFenyu 《中国水稻研究通报》2001,9(3):13-14
Uniconazol,(E)_1_(4_chlorophenyl)_4,4_dimethyl_2(1,2,4_triazol_l_yl)_1_penten_3_01,namedS3307,isanewplantgrowthretardantthatcanretardthe growthof plants,make plantdwarf,promoterootandtillergrowth,delaythesenescenceofleaves,andincreasethenetphoto synthe… 相似文献
13.
Whitebackedplanthopper(WBPH,SogatellafurciferaHorvath)isoneofthemostdestructiveinsectsforrice.TheutilizationofWBPHresistancegenesisalwaysanefficientsolutiontothis problem.BesidesfiveWBPHresistancegenesregistered,Wbph1,Wbph2,Wbph3,wbph4,andWbph5 ,class… 相似文献
14.
安农810S高产优质制种技术研究 总被引:10,自引:3,他引:7
安农810S高产优质制种技术研究*StudiesontheseedproductiontechniquesofthehybridcombinationsofAnnony810S邓华凤李必湖张学政舒服龚开伟(湖南省安江农校418100)(湖南省麻阳县种... 相似文献
15.
545S、N8S异交特性观察与研究Asurveyontheoutcrossingcharacteristicsof545SandN8S席建民(湖南省东安县种子公司425900)不育系的异交特性是提高异文结实率的主要限制因子。对温敏核不育系545S、N... 相似文献
16.
QIANQian ZENGDali TENGSheng CHENWenhua 《中国水稻研究通报》2001,9(1):13-14
ThestudyledbyDrKunihiroY.(Japan)andDrQIANQian(China)nowadvancessmoothly.Mainpurposesandbackgroundsofthestudycanbedescribedasfollows:1)RiceisthemaincerealcropinChina.Successofthehybridricemakesthericeyieldsatisfyingtheincreas ingdemands.Butcreating aco… 相似文献
17.
CAOMingzhang SHENJinliang LIUXiaoyu 《中国水稻研究通报》2001,9(1):6-7
Thestrippedstemborer(SSB),Chilosuppressalis(Walker)isoneofthemajorinsectpestsofriceinChi na.ChemicalcontrolhasbeenacommonpracticeinSSBmanagementsince1950s.Insecticidesusedin cludedBHCbefore1983;organophos_phorusinsecticides(methyl_para_thion,trichopho… 相似文献
18.
培矮64S再生复育特性初报 总被引:4,自引:0,他引:4
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
19.
YAOHongwei YEGongyin CHENGJia′an 《中国水稻研究通报》2000,8(1):7-7
Whitebackedplanthopper(WBPH),Sogatellafurcifera(Horvath),isoneofthemostdevastatinginsectpestsonriceinAsia.Itscontrolmainlydependedonthechemicalpesticides.Surveysofinsecticidesusceptibilityrevealedthatorganophos phorusandcarbamateresistancehasemergeds… 相似文献
20.
“三高一低”新质源不育系K17A的选育初报 总被引:7,自引:0,他引:7
“三高一低”新质源不育系K17A的选育初报ApreliminaryreportontheselectionofK17A,anewcytoplasmictypeofCMSlineinrice王文明,文宏灿(四川省农科院水稻高粱研究所646100)1选育... 相似文献