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1.
在室内试验中,增加甲黄隆喷雾能显著减少tralkoxydim防除野燕麦的活性。该现象在tralkoxydim低剂量(例如,125ga.i/ha)和甲黄隆高剂量(8或12ga.i/ha)使用时非常明显。甲黄隆能单独显著地使野燕麦生长发育减少。而绿磺隆在剂量达到33ga.i./ha仍不能减小野燕麦生长,只能引致tralkoxydim的活性轻微的下降。在混合使用时,施药后6h时甲黄隆能使施在叶片上的^1 相似文献
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WANGXi TAOLongxing YUMeiyu HUANGXiaolin 《中国水稻研究通报》2001,9(3):11-12
SuperhybridriceXieyou9308,yielded11_12t/ha,wasbredinChina.Toprovidethe physiologicalbasisforsuperhybridricebreeding,wecarriedoutacomparativephysio logicalstudy ofXieyou9308andXieyou63,usingthehighyieldhy bridriceXieyou63(9.8t/ha)ascontrol.Resultsshowed… 相似文献
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《中国水稻研究通报》2000,(3)
Theprogramof"Transferbacterialblight_resistancegeneXa_21intothehybridrice",cooperatedbytheGeneticInst,ChineseAcademyofSci,CropInst,ChineseAcadofAgriSci,andAgronomyCollege,YangzhouUniv,haspassedthroughtheidentificationrecently.ThestudyconstructedtheXa… 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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《中国水稻研究通报》2001,(3)
TechnologiesofuplandricepopularizedinOceaniaAneconomictechnologyprogram—Uplandriceperennialrootcultivationtechnique,supportedbyFujianProvince,hasappliedsuccessfullyinPapuaNewGuinea.Thethirdstubblehasachievedabumperharvestrecently,withayieldof6390kg/h… 相似文献
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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
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《中国水稻研究通报》2001,(4)
Wenhua,CNRRI,Hangzhou310006,ChinaSince1990,theChineseGroupofAgricultureExpertshasintroducedninehybridricecombinationstoZambia.Theaverageyieldofthe9combinationswas10.5t/ha,being50 % 60 %higherthanthatofthelocalcommercialvarietiesIITA302andKafuxi5.Weiyou… 相似文献
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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
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LIUZewen HANZhaojun ZHANGLingchun WANGYinchang 《中国水稻研究通报》2001,9(4):7-8
Brown planthopper(BPH,Nila parvatalugensStal)andwhite backedplanthopper(WBPH,SogatellafurciferaHorvath)arethemaininsectsonriceinChina.Theinsecticideresistanceofthetwoplanthoppershaveoftenbeenreported.Availabilityoftheresistantpopulationisa prerequisite… 相似文献
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The trapping catches of sex pheromone lure of the rice stem borer, Chilo suppressalis at different storage duration 总被引:1,自引:0,他引:1
Thericestemborer,Chilosuppres salis(Walker),isaseriouspestofrice plantsinChina.Z_11_hexadece_nal(Z11_16:Ald),Z_13_octadecenal(Z13_18:Ald),andZ_9_hexadecenal(Z9_16:Ald)werethemajorcompo nentsoffemalesexpheromone.Thereisfewstudyrelatedtothelurestoragedu… 相似文献
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Negative phototropism of rice root 总被引:3,自引:0,他引:3
Itisoftenbelievedthatthestemofhigher plantshascharacteristicsofpositive phototropism,andtherootshowsnophototropismornosensitiv itytolightthoughtherootofArab dopsiswasreportedpossessingchar acteristicsofnegative phototropism.Inthisstudy,adistinctnegative… 相似文献
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GAODongying XIANGYanghai SUNLihua LUZuomei 《中国水稻研究通报》2001,9(3):2-2
ThesomaclonalmutantHX_3hasshownabroadspectrumresistancetobacterialblight.TostudytheinheritanceofthebacterialblightresistanceinHX_3,acrosswasmadebetweenHX_3andasusceptiblecultivarLongtefuA.TheF2populationof418plantswasinoculatedwithChinesebacterialbli… 相似文献
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Transposontaggingisapowerfultoolforgenestudy,es peciallyforgenesamongdifferentplants,suchasAra bidopsis,tobacco,andtomato,etc.Thiseffectivestrategyforgeneisolationhasbeenappliedtoriceandprogresshasbeenmadeinrecentyears.Wedevelopedarapidandhigh efficie… 相似文献
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《中国水稻研究通报》2001,(1)
Thestudyofantisense_waxygene,coorporatedbyAgronomyCollege,YangzhouUnivandShanghaiPlantPhysiologyRe searchInst,theChineseAcademyofSciences,haspassedtheachievementevaluationrecently.Theresearchgroupcon structedanantisense_waxygenebyutilizingtheself_colo… 相似文献
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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
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水稻恶苗病病原──串珠镰孢浙江变种拉丁学名的订正Fusariummoniliformevar.zhejiangenseWangetH.K.Chen,ANewPathogenofBakanaeDiseaseofRice¥//水稻恶苗病,又名水稻马鹿苗病... 相似文献
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蜗牛对大豆危害分析及经济阈值的初步研究 总被引:3,自引:0,他引:3
在玉米大豆作田中设置重复试验,研究蜗牛对大豆危害及控制的经济阈值,蜗牛危害与大豆生育、产量性状呈y=Ae指数函数关系,与产量致损率呈Y=Ax幂函数关系。据Chiang,HC(1979)恒等变换模式InET=In/EC.Y.Al.p.sc/Bi,设计了大豆各亩产量时防治蜗牛的阈限动态指标,从防治时参考应用。 相似文献
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HEYueqiu HeiLeung RobertS.Zeigler TANGWenhua 《中国水稻研究通报》2001,9(3):5-5
CO39,itsnear_isogeniclines,havingsingleblastresis tance gene,C101LAC,C101A51,C104PKT,andC101PKT,anditsresistancegenepyramidlinesBL121,BL241,andA57_119,grewintheblastnurseryatIRRI.Theseedsweresowninfourbatcheswithtwoweeksinter valbetweenbatches,usingIR… 相似文献