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1.
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
2.
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
3.
The molecular marker of antagonistic genes of biological bacteria against rice sheath blight by RAPD
CHENZhiyi XUZhigang 《中国水稻研究通报》2000,8(4):10-10
Forty_oneisolatesofBacillusamyloliquefaciensweredif ferentiatedfrom184G bacterialstrainshavinggeneticsimilaritiesover75%basedonBOX_PCRfingerprint.An tagonismagainsttoRhizotoniasolaniinvitrowastested.FourisolatesofB.amyloliquefaciens(2isolateswithan tag… 相似文献
4.
Japanese japonicaricecommonlyprovideswithanovicidalresistanceagainstthewhitebackedplanthopper(WBPH).Similarly,ovicidalactivi tywasalsofoundtoplayasignificantroleinastablefieldresistancetoWBPHinsomeChinese japonicarice.Ricevarietieswithovicidalre sistan… 相似文献
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Ninebrownplanthopper(BPH)resistancegeneshavebeenregisteredsofar,butofthemonly Bph1,bph2,Bph3,bph4,Bph9,andotherthreeunregisteredgenesBph10(t),Bph(t),bph(t)werelocatedonchromosome3,4,10,and12,respectively,byusingtraditionalandmolecularmappingmethods.T… 相似文献
6.
CHENZhiyi XUZhigang LUFan LIUYongfeng 《中国水稻研究通报》2000,8(3):7-7
Ninety_fivebacterialisolates(63grampositive[G ]bac teria,whichisolatedfromblastlesionand32gramnega tive[G-]bacteria,whichwereisolatedfromriceseeds)weretestedforantagonisticeffectagainstRhizoctoniasolaniandFusariummoniliformeinvitroandforplant_growthpro… 相似文献
7.
WUMinguo LINJianrong 《中国水稻研究通报》2000,8(1):12-12
Zhongjian96 3,alateseasonjaponicaricevarietyderivedfromC81 40/87095,wasdevelopedbyCNRRI,withthecharactersofearly maturity,atotalgrowthdurationofabout128d(5 7dlessthanCKXiushui11),insensitivetopho to period,idealplanttype,middletilleringability,strongcul… 相似文献
8.
水稻对稻纵卷叶螟抗性的研究进展 总被引:1,自引:0,他引:1
水稻对稻纵卷叶螟抗性的研究进展李马谅(泉州农校,泉州,362000)水稻的卷叶性食叶害虫是多个属、种的复合体,以稻纵卷叶螟cnaphaloercismedinacis为主,包括稻显纹纵卷叶螟susumiaexigua及倒须野螟属MacrsasmiaS... 相似文献
9.
ZHANGYafang PANXuebiao CHENGZongxiang ZOUJunhuang XUJinyou TONGYunhui HANYuepeng WANGZibin 《中国水稻研究通报》2001,9(3):5-6
Wehaverecentlydevelopedasystematicmethodforthestudyontheinheritanceofresistancetosheathblight.Thekeyofthesystemisaninnovatedmethodofinoculationandinvestigationalong withtheemploymentofthepermanentpopulation.Thispaperreportedtheprocedureofthesys temand… 相似文献
10.
WANGHuizhong LUDezhao YanMeixian CHENShouyi PENGXuexian HUAZhihua GAOZhenyu QIANQian HUANGDanian 《中国水稻研究通报》2001,9(3):14-15
Torelievethedamageofsalttothecell,manyplantsac cumulatedsomelow_molecularweightorganiccompounds,whichwerecalledosmoprotectant,suchasbetaine,man nitol,andsorbitol.Thereforeifthegene_encodingenzymeresponsibleforsynthesizingtheosmoprotectantwastrans form… 相似文献
11.
应用ELISA检测甜菜品种抗BNYVV病毒差异 总被引:1,自引:3,他引:1
应用ELISA检测甜菜品种抗BNYVV病毒差异蔡惠珍,孙以楚,张春来(中国农业科学院甜菜研究所)甜菜丛根病(Rhizomunia)是由多粘菌(Polymyxa)为介体传播的甜菜坏死黄脉病毒病(Beetnecroticyellowveinvirus)。... 相似文献
12.
水稻细菌性条斑病(以下简称细条病)在热带和中国南方已上升为一种主要病害。为探讨杂交水稻及其亲本对该病的抗性规律,笔者在国际水稻所曾用Xanthomonas campestrisPV.oryzicola的两个菌株(93和335号)喷雾接种于五个杂交组合及其亲本上。结果表明,杂交水稻对细条病表现出不同程度的抗病反应,其抗性值接近双亲平均值,且属水平抗性。杂种一 代的抗性在很大程度上决定于恢复杂的抗性水平。 相似文献
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14.
鉴定的61份野生花生材料对黄瓜花叶病副经毒CA株系(CMV—CA)抗性差异表现明显,A.glabrataPI262801和A.glabrataPI262794两份材料表现免疫,A.spPI338454表现高抗。A.glatrata、A.pusilla、A.rigvnii、A.paraguariensis和A.cardenasii等5个种的材料对CMV—CA抗性比A.villosa、A.montieola和A.appressipila的材料要强。部分材料对CMV—CA和花生矮化病毒Mi株系(PSV一Mi)两种病毒具有相同的抗性。 相似文献
15.
Activities of defense-related enzymes induced by benzothiadiazole in rice to blast fungus 总被引:1,自引:0,他引:1
GEXiuchun SONGFengming CHENYongye ZHENGZhong 《中国水稻研究通报》2001,9(4):10-11
Pretreatmentofriceseedlingsbyfo liarspraying withbenzothiadiazole(BTH)couldinducesystematicac quiredresistance(SAR)againstblast(Magnaporthegrisea)andbacterialleafblight(Xanthomonasoryzaepv.oryzae)diseases.Toelucidatethephysiologicalandbiochemicalmecha … 相似文献
16.
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
17.
ZHONGDaibin LUOLijun MEIHanwei GUOLongbiao WANGYiping XUJianlong YUSibin YINGCunshan LIZhikang 《中国水稻研究通报》2000,8(3):2-2
Bacterialblight(BB)causedby Xanthomonasoryzaepv.oryzae(Xoo)isoneofthemostdestructivediseasesofricethroughouttheworld.Thisstudywasconductedtounderstandthequalitativeandquantitativecomponentsinresis tanceofasegregatingricepopulationtospecificXoostrains.… 相似文献
18.
LUChuangen ZOUJiangshi 《中国水稻研究通报》2000,8(4):14-15
Gametophytegenes(ga)forsegregationdistortionhavebeenreportedbymanyresearchers.Iwataetal(1964)reportedthepresenceofagametophytegenega1onchromosome6whichcontrolledaselectivefertilizationofgametesinthecrossbetweenanatomic_bomb_irradiatedmutantandanormal… 相似文献
19.
HUANGShiwen AlanK.Waston DUANGuifang YULiuqing 《中国水稻研究通报》2000,8(1):8-9
Morethan10speciesofpathogenicfungiwereisolatedfromthenaturally infectedleavesofbarnyard grass(Echinochloacrus galli)in paddy.After preliminarybioassaying,itwasfoundthattheAlternariaalternata(Fr.)keissler(AA),Exserohilummonoceras(EM),and"99 10"werethreep… 相似文献
20.
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