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1.
汛健良 《杂交水稻》1997,12(6):35-35
新香优77试制技术总结TechniquesusedintheexperimentalhybridseedproductionofXingxiangyou77汤健良(湖南省湘潭市种子公司411000)新香优77系湖南杂交水稻研究中心选育而成的杂交水稻优...  相似文献   

2.
高产,抗瘟杂交稻组合——福优77   总被引:1,自引:1,他引:1  
高产、抗瘟杂交稻组合——福优77Fuyou77,ahybridricewithhighyieldandgoodblastresistance雷捷成游年顺黄利兴朱雄涛郑向华雷上平郑家团(福建省农科院稻麦研究所350019)(三明市农科所365500)福...  相似文献   

3.
香型中熟杂交晚籼新组合新香优77Xingxiangyou77,aquasi-aromaticindicalatehybridriceofmediummaturity阳和华周坤炉徐秋生(湖南杂交水稻研究中心410125)新香优77是湖南杂交水稻研究中心...  相似文献   

4.
汕优77高产制种技术初探High-yieldingseedproductiontechniquesforShanyou77朱建忠,林青松,吴安清,何邦惠,淳义才(四川省泸州市种子公司646100)(四川省沪县况场镇农技站)(四川省泸县通滩镇科协)汕优...  相似文献   

5.
湖南杂交水稻研究中心育出系列杂交香稻组合AseriesofaromatichybridricecombinationsdevelopedbyHHRRC新香优系列组合有新香优63(新香A/明恢63),新香优99(新香A/桂99),新香优77(新香A/明...  相似文献   

6.
Exsetohilumturcicum在乌干达玉米上的发生──(E.Adipala等),PlantDisease,1993,Vol,77,No.2,202~205(英文)1989年在乌干达的115块玉米田中在抽丝中期后3~4周对每块田的20个玉米植株...  相似文献   

7.
95203饲用高粱和粒用高粱胚愈伤组织诱导和植株再生──(P.Arti等),CerealResearchCommunications,1994,Vol.22,No.1~2,71~77(英文)在含2.5mg2.4-D/L的改良LS培养基上,在25℃黑暗...  相似文献   

8.
Genomicsisabiologytermappearedtenyearsago,usedtodescribetheresearchesofgenomicmapping,sequencing,andstructureanalysis,etc.Genomics,thefirstjournalforpublishingpapersongenomicsresearchwasbornin1986.Inthepastdecade,theconceptofgenomicshasbeenwidelyacce…  相似文献   

9.
Theshapesofsilicabodiesfrommo torcellsofindicaandjaponicaricearedifferent,soitispossibletobusedtodistinguishricesubspecies.BasedonthemorphologicalanalysisofsilicabodiesfromnativevarietiesinAsiancountries,thediscriminatefunctionfordistinguishingsubspe…  相似文献   

10.
Whitebackedplanthopper(WBPH),Sogatellafurcifera(Horvath),isoneofthemostdevastatinginsectpestsonriceinAsia.Itscontrolmainlydependedonthechemicalpesticides.Surveysofinsecticidesusceptibilityrevealedthatorganophos phorusandcarbamateresistancehasemergeds…  相似文献   

11.
Lodgingresistancehasbeenakeytargettraitforraisingyieldpotentialinriceanditisassociatedwithmanycom ponenttraitssuchasplantheightandstemthicknessandstrength,etc.Whilephenotypicselectionforlodgingre sistancehasbeeneffective,itsgeneticbasisremainspoorlyun…  相似文献   

12.
Ricepaniclelengthisaquantitativetraitcontrollednotonlybygeneticfactorsbutalsobyenvironmentconditions,especiallybynitrogensupplylevel.Itissupposedthatgenesofricepaniclelengthcouldbefullyexpressedundersuffi cientNsupplyandberestrictedbylowNstress.Deter…  相似文献   

13.
Torelievethedamageofsalttothecell,manyplantsac cumulatedsomelow_molecularweightorganiccompounds,whichwerecalledosmoprotectant,suchasbetaine,man nitol,andsorbitol.Thereforeifthegene_encodingenzymeresponsibleforsynthesizingtheosmoprotectantwastrans form…  相似文献   

14.
Abioticstressesincludingpotassiumdeficiencyarelimitingfactorsforincreasing rice yield.Ninerice genotypes(OryzaSativaL.,indica)differinginsensitivitytolowKstressselectedfrom200volume_solutionscreening wereusedinthisstudytoexamineaccumulationandtransloca…  相似文献   

15.
ThestudyledbyDrKunihiroY.(Japan)andDrQIANQian(China)nowadvancessmoothly.Mainpurposesandbackgroundsofthestudycanbedescribedasfollows:1)RiceisthemaincerealcropinChina.Successofthehybridricemakesthericeyieldsatisfyingtheincreas ingdemands.Butcreating aco…  相似文献   

16.
Bacterialblight(BB)causedby Xanthomonasoryzaepv.oryzae(Xoo)isoneofthemostdestructivediseasesofricethroughouttheworld.Thisstudywasconductedtounderstandthequalitativeandquantitativecomponentsinresis tanceofasegregatingricepopulationtospecificXoostrains.…  相似文献   

17.
Itwasdifficulttousethepronouncedheterosisofindi ca_japonicahybridsriceduetothepaniclesterilitycausedbymaleandfemalegameteabortion.Thefemalegameteabortioninmostofsubspecifichybridscouldbesolvedbyusinganabortion_neutralgeneS5_n,awidecompatibilitygene.T…  相似文献   

18.
Thedeclineofricequalityandgerminationabilityintheprocessofstoragewasabigproblemtofoodproductionandmanagement.Gasandtemperaturecontrolwasusedtode creasestoragelosing,butselectinggermplasmwithgoodstoragecharacterswasrare.Inpractice,itwasfoundthatstorag…  相似文献   

19.
Plantharbouredproteaseinhibitorisapartofthenaturalplantdefensesys temagainstinsectpredation.Plantstransformedwithforeign plant pro teaseinhibitorgenescanenhancere sistancetoinsectpests.Sofar,atleast20kindsofplants,includingtobacco,rice,tomato,cottoneta…  相似文献   

20.
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   

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