地涌金蓮種群遺傳多樣性研究.pdf

1、中國林業(yè)科學研究院碩士學位論文地涌金蓮種群遺傳多樣性研究姓名：潘慶杰申請學位級別：碩士專業(yè)：園林植物與觀賞園藝指導教師：李正紅20070701AbstractMusellalasiocarpaisunderMusellagenerainMnsaceaefamilyItisaperennialherbaeeonsandbigsizedtuftThereisonlyonespeciesinthegeneraandparticularlydi

2、stributesinChinaItshabitatusuallyismountainslopattheelevationofl500—2500KminthemiddleandatthewestofYunnanprovinceBasedonpopulationgeneticsprinciplesandmethods，thepatternsofmorphologicalvafitationkaryoticalvariationandRAP

3、DvariationwereinvestigatedintwelvepopulationofM1asiocarpa111eresearchattemptedtoprovidethedatatofBltherprofoundstudyonthegeneticvariationandevolutionofthisplantTheresultsweFesummarizedasfollowing：1Morphologyvarianceanaly

4、sis：ThetwentytwomorphologicalfeatureswereobservedintwelvepopulationsofM1asiocarpaTheircoefficientsofvariationsweredistributedmainlyfromO07toO65Thedifferenceoftwenty—onetraitsamongpopulationsissignificantThecogfficientofv

5、ariationsoftheseedtraitsisthelowestwhileofthenutritiontraitsisthehighestn把coefficientofvariationsofthenutritiontraitsiS038Thecoefficientofvailationsoftheinflorescencetraitsis013n地eoefficientofvariationofthefruittraitsis0

6、19Thecoefficientofvariationsoftheseedtraitsis008nemeanofthevariationscoe伍cientsofthemorphologictraitsis020Neastedanalysisofvarianceindicatedthatabout3337％ofthemorphologicalvariabilityisattributedtothedifferentiationamong

7、thepopulationsandtheremaining6198％resided、Ⅳithillthepopulations^Zlasiocarpahasobviouspolymorphisminpopultions2Karyotypeanalysis：ThekaryotypesoftwelvepopulationswereinvestigatedinthepresentpaperThel河yotypeofWL、LHpopulatio

8、nwasformulatedas2n=18212m6smbelongingtoStebbins’2Atype；ThekaryotypeofHM、XR、HQpopulationwa$formulatedas2n=18=16m2sm，belongingtoStebbins’IAtype；ThekaryotypeofGSpopulationwasformulatedas2n=18=14m4sm，belongingtoStebbins’IAty

9、pe；ThekaryotypeofAXpopulationwasformulatedas2n=18=4T12m2smbelongingtoStebbins’2Atype；nlckaryotypeofYM、HCpopulationwasformulatedas2n=l8=2T16mbelongingtoStebbins2AandIAtype；皿ekaryotypeofDZpopulationWasformulated嬲2n=18=18m；

10、belongingtoStebbins’1AtypeThekaryotypeofLHpopulationwasformulatedas2n=18=12m6sm(SAT)，belongingtoStebbins’2Atype；ThekaryotypeofSJpopulationWasformulated鵲2n=18=12m(SAT)6smbelongingtoStebbins’2Atype；Thechromosometransloeati