唐菖蒲子球生長(zhǎng)發(fā)育及其影響因素的研究.pdf

1、中國農(nóng)業(yè)大學(xué)碩士學(xué)位論文唐菖蒲子球生長(zhǎng)發(fā)育及其影響因素的研究姓名：陳菊申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：園林植物與觀賞園藝指導(dǎo)教師：義鳴放20030601AbstractGladioluscultivar‘Traderhorn’and‘AdvancedRed‘wcieusedtoinvestigatethegrowthanddevelopmentofstolonandcormel，changesofstarchandsolubleproteinc

2、ontentduringstolondevelopmentinthefieldwithdifferentplantingrimesMeanwhile，studiedthefactorswhichaffectedcormelformationinvitroTheresultsshowedasfoIlows：(1)Stoloncomefromtheaxillarybudswhichlocatedatthebasalnodesofnewcor

3、m，nstipswelledandformedcormelsThemweresixnodeswithsheathleaffrombottomtotoponnewcormcouldformstolons，andmiddleonesgrewmorevigorousfyStolontookplaceat4～6leafstagebeforespikeemerged，cormelsappearedafterplanting90tol10days(

4、2)Thenumbersofstolonincreasedinthetrendof“slowfastslow”，buttheincreasingofeormelnumberwasalmostlinearityYieldofcormelwasimprovedbydelayingplantingtimetotheendofMayTherewascloserelationshipbetweenfreshweightofstolonwithco

5、rme[andnewCOrm，thatisincreaseinfreshweightofstolonandcorrectfollowedthecormsatearlyandmiddlestage，butsurpasseditfinally(3)Solubleproteincontentincreasedduringstolonelongatingstarchcontentincreasedqicklyduringstolonswelli

6、ng(4)SugarwasthekeyfactorfornewcormformationmvitroGrowthingofnewcormandsproutingofaxillarybudsWerepromotedbyBA，andbranchesfromaxillarybudsformedalsopromotedbyBA。CormelformationwasinducedbyPP33hthecriticalconcentrationofi