欢迎来到天天文库
浏览记录
ID:31961570
大小:5.10 MB
页数:63页
时间:2019-01-29
《茄子砧木种质资源对青枯病和黄萎病的抗性鉴定及数量遗传研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、3.A1,D,J4,J5,J62,J7,X7andW7aresimultaneouslyresistanttobacterialwiltandVerticillium,andJ7,X7,W7areimmunetobothdiseases,B,C,J61areonlyresistanttobacterialwilt,andA2,E,FareonlyresistanttoVerticillium,therearen’tanyrootstockmaterialssusceptiblebothtobacterialwiltandVerticillium.
2、4.StudyaboutthequantitativegeneticofresistancetobacterialwiltofeachgenerationofA1,Rfindicatesthatresistantgeneticofeggplantbacterialwiltisincompletedominantinheritance,andcontrolledbymorethan2DNAs,itiseffectedbyadditiveeffectsandnon-additiveeffectsaswellasreciprocalcrosseffec
3、t,andtheadditiveeffectsplayamajorrole.Inheritanceofresistancetoeggplantbacterialwiltfitsthegeneticmodelof“additive—dominance”.5.StudyaboutthequantitativegeneticofresistancetoVerticiUiumwiltofeachgenerationofA2,RfindicatesthatresistancetoVerticilliumiscontrolledby1to2genes,fit
4、sthegeneticmodelof“additive-significantly-Epistatic”.6.AnalysisgeneticsignificanceandusingvalueofthedifferentfamiliesonbacterialwiltandVerticilliumWiltresistance,theresultsshowthat:BacterialwiltresistanceinheritanceofA1andA2iseffectedbothbyadditiveandnon-additiveeffects,andth
5、atofJ61,J62isonlyeffectedbythenon—additiveeffects.VerticilliumwiltresistanceinheritanceofJ62iseffectedbothbyadditiveandnon—additiveeffects,andthatofA1iseffectedbynoneofthem,thatofA2isonlyeffectedbynon-additiveeffects,andthatofJ61isonlyeffectedbyadditiveeffects.Itisindicatedth
6、atresistancephenotypeofthetwodiseasesofresourcesarelargerlyaffectedbytheenvironment,andithasalowgeneticstability.7.Theresultofanalysizingresistantphenotypeof4germplasmswithdifferentresistantlevelandRfintheirF1showsthatthereare2combinationsshowingresistancetobacterialwilt,6com
7、binationshowingmidresistance,andthereare3combinationsshowingresistancetoVerticillium,onecombinationsshowingmidresistance.TheremainingeightcombinationsaresusceptiblebothtobacterialwiltandVerticillium.Itshowsthatgenescontrollingofbacterialwiltresistancemayhaveacertaininteractio
8、nwiththoseofVerticilliumWiltresistance,theexpressionoftheformermaysu
此文档下载收益归作者所有