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1.
杂交晚籼新组合威优644Weiyou644,anewindicahybridriceforlatecroppingseason周坤炉阳和华徐秋生(湖南杂交水稻研究中心410125)威优644是湖南杂交水稻研究中心用V20A与恢复系644配组而成的迟熟...  相似文献   

2.
两系安湘S与三系珍汕97A特征特性比较分析ComparisonofcharacteristicsbetweenTGMSlineAnxiangSandCMSlineZhenshan97A陈运雄周卜龙龚开伟郑云书龚光雄(湖南省麻阳苗族自治县种子公司419...  相似文献   

3.
高梁抗衰老和抗炭疽病的遗传学──(A,Tenkouano等),TheoreticalandAppliedGenetics,1993,Vol.85.No,5,644~648(英文)高梁抗衰老是延缓叶片与植株死亡的抗性机制,在开花后生长过程中,它能防止高...  相似文献   

4.
Theprogramof"Transferbacterialblight_resistancegeneXa_21intothehybridrice",cooperatedbytheGeneticInst,ChineseAcademyofSci,CropInst,ChineseAcadofAgriSci,andAgronomyCollege,YangzhouUniv,haspassedthroughtheidentificationrecently.ThestudyconstructedtheXa…  相似文献   

5.
Morethan10speciesofpathogenicfungiwereisolatedfromthenaturally infectedleavesofbarnyard grass(Echinochloacrus galli)in paddy.After preliminarybioassaying,itwasfoundthattheAlternariaalternata(Fr.)keissler(AA),Exserohilummonoceras(EM),and"99 10"werethreep…  相似文献   

6.
浙江省农科院发现水稻温敏感苗色突变体Athermo-sensitiveseedling-colourmutantinricediscoveredbyZhejiangAcademyofAgriculturalSciences浙江省农科院于1991年在杭...  相似文献   

7.
罗志义 《茶叶科学》1997,17(2):201-206
迄今在茶树上发现的粉虱有8种,即:黑刺粉虱Aleurocanthusspiniferus,杜鹃穴粉虱Aleu-rolobusrhododendri,山茶褶粉虱Aleurotracheluscameliae,归亚瘤粉虱Aleurotuberculatusguyavae,番石榴瘤粉虱Aleurotuberculatuspsidi,流苏子瘤粉虱Aleurotuberculatusthysanosper-mi,桔裸粉虱Dialeurodescitri,和杨梅类伯粉虱Parabemisiamyricae。本文对上述8种粉虱的形态、寄主、分布和天敌作了介绍。  相似文献   

8.
控制棉花枯萎病蔓延已为棉业的一项重点工作。1998年5月 ,澳大利亚国家注册权威机构(NationalRegistrationAuthority)提供的一个项目 ,对杀菌灵 (Benonyl)、一种铵化合物 ( quaternaryammoniumcompound)和一种清洁—脱脂剂(detergent -degreaser) ,即Cantro1cc5/97进行药效试验。 (castrol为蓖麻油与矿物油的混合物 -译者注 )Fov孢子来源于病地土中。结果显示三种药剂虽都有未杀死的Fov孢子 ,但在冲洗金属面上只发现少量…  相似文献   

9.
Thestudyofantisense_waxygene,coorporatedbyAgronomyCollege,YangzhouUnivandShanghaiPlantPhysiologyRe searchInst,theChineseAcademyofSciences,haspassedtheachievementevaluationrecently.Theresearchgroupcon structedanantisense_waxygenebyutilizingtheself_colo…  相似文献   

10.
Liangyou_Peijiu(65002),aninter_subspecieshybrid,wasbredinJiangsuAcadofAgriSci(JAAS)bytwo_linemethod.Thefemalewasalow_temperature_sensitivesterileline,Pei′ai64s(japonica),andthemalewas9311.Pei′ai64swasbredbyChinaNationalHybridRiceResearchandDevelopmen…  相似文献   

11.
TheprojectofchemicallydefineddietandaminoacidnutritionofNilaparvatalugens,conductedbyCNRRIandZhejiangUniversitywasevaluatedon18thJan,2000inBeijingbytheMinistryofAgricultureinChina.Acommissionconsistedof9famousexpertsconfirmedthatgreatprogresshadbeenm…  相似文献   

12.
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   

13.
After4yearswork,theprogram"Developmentofnewhigh_qualityjaponicavarietyandstudyofthejaponicaintroductionfromnorthtosouth",directedbyProfCHEN Wenfu,CollegeofA gronomy,ShenyangAgriUniv,hadcompletedsuccessfully."Shengnong9017",agood_quality,high_yieldjapo…  相似文献   

14.
In1992,acrosswasmadebetweenXieqingzaoB,themaintainerlineoftheCMSXieqingzaoAwhichwasawild_abortivetype,andIR58025Btoimprovegrainap pearanceandcookingqualityoffemaleparentsofhybridrice.Atotalof23plantswereselectedfrom1238oftheF2populationin1993.Sixteen…  相似文献   

15.
CO39,itsnear_isogeniclines,havingsingleblastresis tance gene,C101LAC,C101A51,C104PKT,andC101PKT,anditsresistancegenepyramidlinesBL121,BL241,andA57_119,grewintheblastnurseryatIRRI.Theseedsweresowninfourbatcheswithtwoweeksinter valbetweenbatches,usingIR…  相似文献   

16.
广西农科院建成全国第二座两系杂交水稻专用人工气候室Thesecondtwo-linehybridriceorientedphytotronestablishedatGuangxiAcademyofAgriculturalSciences自从“杂交水稻...  相似文献   

17.
永州市优质稻吨粮田开发初见成效Apreliminarysucessinthedevelopmentofthetechniquesyielding15tpaddyperhectareindoublecropsofgoodqualityhybridric...  相似文献   

18.
杂交水稻新不育系枝A特征特性及其应用技术   总被引:1,自引:0,他引:1  
杂交水稻新不育系枝A特征特性及其应用技术CharacteristicsofthenewCMSlineZhiAandthekeypointsinitsapplication兰兴庆卢炳茂曾凡桂(福建省龙岩地区种子公司364000)枝A系广西博白县农科所选...  相似文献   

19.
Wenhua,CNRRI,Hangzhou310006,ChinaSince1990,theChineseGroupofAgricultureExpertshasintroducedninehybridricecombinationstoZambia.Theaverageyieldofthe9combinationswas10.5t/ha,being50 % 60 %higherthanthatofthelocalcommercialvarietiesIITA302andKafuxi5.Weiyou…  相似文献   

20.
Super hybrid rice   总被引:16,自引:0,他引:16  
Uptonow,thereareonlytwoeffectivewaystoincreasetheyieldpotentialofcropsthroughbreeding,i.e.morphologicimprovementandheterosisutilization.Actually,thepotentialisverylimitedbyusingmor phologicimprovementonly,andheterosisbreeding willproduceundesirableres…  相似文献   

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