共查询到20条相似文献,搜索用时 31 毫秒
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丰、抗、优兼备的杂交中稻新组合汕优149Shanyou149,anewbybridricecombinationwithhighyield,gooddiseaseresistanceandgoodquality陈开煜,陆贤军,曾宪平,任光俊(四川省农... 相似文献
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LUOLijun ZHONGDaibin MEIHanwei GUOLongbiao WANGYiping XUJianlong YUSibin YINGCunshan LIZhikang 《中国水稻研究通报》2000,8(4):2-2
Lodgingresistancehasbeenakeytargettraitforraisingyieldpotentialinriceanditisassociatedwithmanycom ponenttraitssuchasplantheightandstemthicknessandstrength,etc.Whilephenotypicselectionforlodgingre sistancehasbeeneffective,itsgeneticbasisremainspoorlyun… 相似文献
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FANGPing JITianwei TAOQingnan WUPing 《中国水稻研究通报》2001,9(4):5-6
Ricepaniclelengthisaquantitativetraitcontrollednotonlybygeneticfactorsbutalsobyenvironmentconditions,especiallybynitrogensupplylevel.Itissupposedthatgenesofricepaniclelengthcouldbefullyexpressedundersuffi cientNsupplyandberestrictedbylowNstress.Deter… 相似文献
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LIUJianxiang YANGXiao'e WULianghuan YANGYu'ai 《中国水稻研究通报》2001,9(1):10-11
Abioticstressesincludingpotassiumdeficiencyarelimitingfactorsforincreasing rice yield.Ninerice genotypes(OryzaSativaL.,indica)differinginsensitivitytolowKstressselectedfrom200volume_solutionscreening wereusedinthisstudytoexamineaccumulationandtransloca… 相似文献
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ZENG TENGSheng KunihiroYasufumi QIANQian 《中国水稻研究通报》2000,8(4):7-7
Thedeclineofricequalityandgerminationabilityintheprocessofstoragewasabigproblemtofoodproductionandmanagement.Gasandtemperaturecontrolwasusedtode creasestoragelosing,butselectinggermplasmwithgoodstoragecharacterswasrare.Inpractice,itwasfoundthatstorag… 相似文献
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Japanese japonicaricecommonlyprovideswithanovicidalresistanceagainstthewhitebackedplanthopper(WBPH).Similarly,ovicidalactivi tywasalsofoundtoplayasignificantroleinastablefieldresistancetoWBPHinsomeChinese japonicarice.Ricevarietieswithovicidalre sistan… 相似文献
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SHENBo WANGXI 《中国水稻研究通报》2000,8(3):8-9
Rootexudateisamajorindexthatreflectsrootsystemac tivity.Tostudythechangesofrootsystemactivityafterinitialheadingstage,weestablishedaHPLCmethodforanalyzingroot_producedcytokininsofriceexudates,andusedthismethodtomeasurethecomponentsofthecytokinins.Int… 相似文献
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Structuresofpapillaoflemmaamong23Oryzaspecieswereinvestigatedandclassifiedinto6kindsbyscanningelectronmicroscopy.Thelemmasurfacewascomposedofpapillapedestalswithmulti_rowlongitudinalorderedarrangementsandthepapillawasinsertedintopedestal.Themorpholog… 相似文献
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CHENWenfu XUZhenjing yangShouren 《中国水稻研究通报》2000,8(3):13-14
ThesubjectofbreedingsuperjaponicariceinnorthernChina,wasgrownoutoftheresearchthroughcrossingin dicawithjaponicaandbreedingforidealplanttypes.Sofar,ithasworkedwiththreestages:researchonfunda mentalprinciples,creationofgermplasmsfornewplanttypes(NPT),an… 相似文献
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HungHai 《中国水稻研究通报》2001,9(1):14-15
Genomicsisabiologytermappearedtenyearsago,usedtodescribetheresearchesofgenomicmapping,sequencing,andstructureanalysis,etc.Genomics,thefirstjournalforpublishingpapersongenomicsresearchwasbornin1986.Inthepastdecade,theconceptofgenomicshasbeenwidelyacce… 相似文献
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Peanutcotyledonarydisease,asfirstdescribedbyXuetalin 1 981 ,ischaracterizedbytheformationoftumorsoncotyledonofpeanutkernels (Fig .1 ) .Inextremecases,thediseaseincidencemayexceed 1 0 % .Thisdiseaseisfoundmostsevereinuplandfieldwithlowwaterretainingability ,andinva… 相似文献
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Inhibiting efficacy of metabolites of Streptomyces lavendulohygtroscopicus and its ultraviolet induced strain on two rice diseases 总被引:3,自引:0,他引:3
HUANGShiwen YULiuqing 《中国水稻研究通报》2000,8(2):5-6
Morethan70Streptomyceslavendulohygtroscopicusstrainswereisolatedfromthesoilsamplescollectedunderdifferentecologicalconditions.Fermentationcentrifugalsupernatant(FCS)ofthestrianswereusedasbiologicalcontrolagentstobioassayricediseasepathogensofsheathbl… 相似文献
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LUChuangen ZOUJiangshi H.IKEHASHI 《中国水稻研究通报》2000,8(3):4-5
Uptonow,13 gagenes,ga1toga13forsegregationdistortionhavebeenlocatedonvariousricechromosomes.Wedetectedanewlocusga14whichcausesasegregationdistortionofanisozymemarkerPgi1onchromosome3.Todeterminetherecombinationvalueforga14andthemarkergenePgi1,atotalo… 相似文献
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XIEGuanlin YUXuefang WuZhixian T.W.Mew 《中国水稻研究通报》2000,8(2):6-6
Itiswellknownthatriceseedcontainslargeamountofseedbornebacterialpathogens.However,littleisknownaboutantagonisticbacteriaofthericeseed.ThissurveywastakentounderstandthedifferenceofthebiologicalagentsofthericeseedinthePhilippines(tropic)andinZhejiangPr… 相似文献
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Whitebackedplanthopper(WBPH,SogatellafurciferaHorvath)isoneofthemostdestructiveinsectsforrice.TheutilizationofWBPHresistancegenesisalwaysanefficientsolutiontothis problem.BesidesfiveWBPHresistancegenesregistered,Wbph1,Wbph2,Wbph3,wbph4,andWbph5 ,class… 相似文献
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《中国水稻研究通报》2001,9(3):14-14
MingshuiRice:ItoriginatedfromZhangqiuCounty,ShandongProvince.ThecharacteristicsofMingshuiRicewere:absorbingmorewater,swellingupgreatlyafterbeingsoaked,andbeing sticky andsmelling fragrantaftercooked.Lengshuibai:Itwasalsocalled"MaguRice"fromGushanTown,… 相似文献
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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
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A method to measure the rice kernel chalkiness objectively 总被引:2,自引:0,他引:2
XIAOLangtao LINWanhuang LIDonghui HONGBin 《中国水稻研究通报》2001,9(1):12-13
Ricekernelchalkinessisanimpor tantqualitycharacter.Beingtheun transparent portionsin grainen dosperm,chalkinessisalwaysmea suredbysomesubjectiveeye_judgingmethodsdomestically andinterna tionally.Resultsmeasuredbysuchmethodsaresubjective,inaccurate,anduns… 相似文献
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Morphological characteristics of plant opal from motor cells of rice in paddy fields soil 总被引:1,自引:0,他引:1
Theshapesofsilicabodiesfrommo torcellsofindicaandjaponicaricearedifferent,soitispossibletobusedtodistinguishricesubspecies.BasedonthemorphologicalanalysisofsilicabodiesfromnativevarietiesinAsiancountries,thediscriminatefunctionfordistinguishingsubspe… 相似文献