不同立地类型对罗汉果组培苗生长发育影响

不同立地类型对罗汉果组培苗生长发育影响

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时间:2019-07-01

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1、EffectofDifferentSiteTypesonGrowthandDevelopmentofTissueCulturedSeedlingsfromSiraitiagrosvenoriiPostgraduate:LiLianzhenMajor:DengYecheng,JiangShuiyuanMajor:PreservationandutilizationofwildlifeResearchDirection:BiologyofwildplantAbstractWithoutstandingcharacteristicssuchasdevirus,premature,

2、highyieldetc,tissueculturedseedlingsfromSiraitiagrosvenoriiwerewidelycultivated.Butexistingawidespreadlossoftargetinthespreadingandapplicationbecaucethereisnoscientificthinkinginenvironmentalandregionaladaptability.Localecologyof3sitetypesweremeasuredandthesamespeciesSiraitiagrosvenoriipla

3、ntswereusedasmaterialinthisexperienttodiscusstheeffectofdifferentsitetypesongrowthanddevelopmentoftissueculturedseedlingsfromSiraitiagrosvenoriiByecologicalfactor.WhichcanofferreliableevidenceforcroppingofSiraitiagrosvenoriiwithtissueculturedseedlingsindifferentvarietiestype.Theexperientwa

4、scarriedoutin2006inLinguiofGuangxi.Wedividedthestudyplotintothreegroups:Hillyregion,FlatterrainandMountainousarea.The3SiraitiagrosvenoriiecologicaldistrictswerelocatedinthetwoadjacentvillagesandtownsinLinguiofGuangxi:WuTongandChaDong.Siraitiagrosvenoriivarietytrialedinthisexperientisthesam

5、e:QingPi.TheseSiraitiagrosvenoriiseedlingsfromtissue–clturewereplantedinlateApril2006.Themeasuresofcultureandmanagementwerethesame.Thechieflyresultswereasfollows:1.The3Siraitiagrosvenoriistudyplotsareallacidsoils.ExcepstudyplotinMountainousarealowerlayerofsoil(20-50cm)issandyloam,Othersare

6、allloam.2.SoilnutrientandsoilenzymeactivityisremarkablycorrelatedwithyieldofSiraitiagrosvenorii.Thesoilenzymeactivityinhigherpotencystrainsisnotablyhigherthanthatofinlowerpotencystrains.3.ThegroundtemperatureofstudyplotinFlatterrainisthehighestandstudyplotinMountainousareaisthelowestamongt

7、he3Siraitiagrosvenoriiecologicaldistrictsinthesamemonth.Basically,thegroundtemperaturedescendswiththeincreaseofmountainelevation.4.Thesamevariationtrendofairtemperaturewaspresentingrowthperiodsofplantsineachstudyplot:thetemperaturegraduallyrisesfromMaytoJulyan

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