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》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

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