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1.
郴州地区“杂交水稻超高产制种技术推广”项目通过验收The″hybridricesuperhighyieldingseedproductiontechnique″extensionprojectofChenzhouPrefecturecheckedan...  相似文献   

2.
提高油—稻茬秋季杂交稻的关键技术High—yieldingtechniquesforthecroppingpntternof″Rape—Earlyrice—Hybridriceseedproduction″周绪鹏(湖北省蕲春县种子公司436300)油...  相似文献   

3.
Whitebackedplanthopper(WBPH,SogatellafurciferaHorvath)isoneofthemostdestructiveinsectsforrice.TheutilizationofWBPHresistancegenesisalwaysanefficientsolutiontothis problem.BesidesfiveWBPHresistancegenesregistered,Wbph1,Wbph2,Wbph3,wbph4,andWbph5 ,class…  相似文献   

4.
Uptonow,13 gagenes,ga1toga13forsegregationdistortionhavebeenlocatedonvariousricechromosomes.Wedetectedanewlocusga14whichcausesasegregationdistortionofanisozymemarkerPgi1onchromosome3.Todeterminetherecombinationvalueforga14andthemarkergenePgi1,atotalo…  相似文献   

5.
Fromover800fungalstrainsofTri chodermaSpp.,6strainswerefoundtogreatlyinhibitthegrowingofRhi zocotoniasolani,thepathogenofricesheathblightindualculture.Amongthem,strainT3wasthebestantago nist,whichreducedthe growing ofthepathogenby52.54%(Table1).Infield,…  相似文献   

6.
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   

7.
雷争峰 《杂交水稻》1997,12(3):43-44
神力素和超浓缩神力素对两系杂交稻制种产量影响试验总结AnexperimentalreportontheefectsofShenlisuandSuper-concentratedShenlisuonyieldintwo-linehybridricese...  相似文献   

8.
油菜——春制——晚杂三熟制栽培试验总结   总被引:2,自引:1,他引:1  
油菜——春制——晚杂三熟制栽培试验总结CulturaltechniquesforthetriplecroppingpaternRape-Springseedproductionofhybridrice-Latehybridrice徐寿昌徐顺昌(江西省...  相似文献   

9.
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   

10.
塑料薄膜覆盖育秧一次性揭膜试验Anewmethodof"OnceUncovering"inriceseedlingraisingwithplasticcover黄泽群(湖南杂交水稻研究中心410125)湖南省早稻育秧期间,由于阴雨低温天气较多,一般采...  相似文献   

11.
Plantharbouredproteaseinhibitorisapartofthenaturalplantdefensesys temagainstinsectpredation.Plantstransformedwithforeign plant pro teaseinhibitorgenescanenhancere sistancetoinsectpests.Sofar,atleast20kindsofplants,includingtobacco,rice,tomato,cottoneta…  相似文献   

12.
简讯     
简讯水稻无花药新质源不育材料M01、M02的发现DiscoveryofM01andM02,twomalesterilematerialswithoutanthersinrice1996年7月,我们在东乡野生稻/M872的远缘杂交F3代和籼粳交F3代中...  相似文献   

13.
杂交晚稻喷施“九二○”的增产效应GA3sprayingincreasesyieldinlatehybridrice蒋美明,张学荣(浙江省云和县种子公司323600)杂交晚稻生产中,常因干旱、寒露风等自然灾害影响,以及个别农户迟播等因素,使部份晚稻不能...  相似文献   

14.
杂交水稻制种中“九二0”对穗层结构的作用探讨EffectsofGA3onpaniclelayerconstructininbybridriceseedproduction黄焕明(湖北省京山县农科所431800)在作者多年的制种实践中,发现不同抽穗日期...  相似文献   

15.
两系杂交粳稻70优04制种“九二0”施用技术研究StudiesonGA3sprayingtechniquesofseedproductionfortwo-linejaponicahybridrice70You04夏维陆金烽刘平夏登仓(安徽省庐江县种子...  相似文献   

16.
TTheinvitrobioassaytoscreeninsectresistanttransgenicriceinalargepopuTable1.CorrelationbetweenthenumberofGUSpositiveplantsandthenumberofin sect freeplantsatdifferentstagesa.LinecodeTilleringstage Bootingstage MaturingstageNo .ofNo.ofinsectNo.ofNo.ofinsectNo…  相似文献   

17.
Japanese japonicaricecommonlyprovideswithanovicidalresistanceagainstthewhitebackedplanthopper(WBPH).Similarly,ovicidalactivi tywasalsofoundtoplayasignificantroleinastablefieldresistancetoWBPHinsomeChinese japonicarice.Ricevarietieswithovicidalre sistan…  相似文献   

18.
FragrantRice2:ThericeoriginatedfromChengguandYangxiancoun ties,ShaanxiProvince.Whencooked,itwasfragrantandwaseasytobedigested.Itwassuitableforoldandweakpersons.ZaocaiguRice:ItwasfromXinchengandTianhuatowns,Ding nanCounty,JiangxiProvince.Thericehadshor…  相似文献   

19.
Pretreatmentofriceseedlingsbyfo liarspraying withbenzothiadiazole(BTH)couldinducesystematicac quiredresistance(SAR)againstblast(Magnaporthegrisea)andbacterialleafblight(Xanthomonasoryzaepv.oryzae)diseases.Toelucidatethephysiologicalandbiochemicalmecha …  相似文献   

20.
Thestudyofantisense_waxygene,coorporatedbyAgronomyCollege,YangzhouUnivandShanghaiPlantPhysiologyRe searchInst,theChineseAcademyofSciences,haspassedtheachievementevaluationrecently.Theresearchgroupcon structedanantisense_waxygenebyutilizingtheself_colo…  相似文献   

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