冷蒿莖葉浸提液對(duì)幾種植物種子萌發(fā)及幼苗生長(zhǎng)的影響.pdf

1、內(nèi)蒙古農(nóng)業(yè)大學(xué)碩士學(xué)位論文冷蒿莖葉浸提液對(duì)幾種植物種子萌發(fā)及幼苗生長(zhǎng)的影響姓名：王玉芝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：植物學(xué)指導(dǎo)教師：高巖20080501EffectsofExtractsfromStemsandLeavesofArtemisiaFrigidaWilldonSomeSeedsGerminationandSeedlingsGrowthAbstractToexploretheallelopathyofArtemisiaFrigida

2、Willd，thestudyanalyzedtoppartaqueousextractandmethanolextractofArtemisiaFrigidaWilldandgasesreleasedfromdryfloweranddryleavesofitAltogetheradoptingextractsofArtemisiaFrigidaWilld，thestudymeasuredseedgerminationandgrowing

3、processof7species(RaphanussativusL，CucumissativusL，SorghumSudanense(Piper)，Melilotuso夠cinalisLam，MedicagosativaLCVAergangjinMedicagosativaLCVZhungeerandAstagalrusadsurgensPallseed)andtheseedlinggrowthconditionof3specieso

4、fgrasses(SorghumSudanense(Piper)，Melilotuso夠cinalisLam，MedicagosativaLCVAergangjin)Thepilotresultsasfollows：1AnalyzedbyGC／MS，aqueousextractofArtemisiaFr／gidaWilldmainlycontainedCamphor(2778％)、Achillin(1040％)、Cineole(928％

5、)、Borne01(787％)、Artemisiaketone(516％)；methanolextractofArtemisiaFrigidaWilldmainlycontainedAchillin(1594％)、EthylAcetate(917％)、Arachibonicacidmethylester(830％)、Spathulenol(746％)ThedeductionanalyzedfromGC／MSshowedthat，them

6、ainallelochemicalsthatArtemisiaFrigidaWilldcontainwereCamphor‘AchillinandCineole2ThegerminationrateoftestplantsdecreasedwiththeincreasedconcentrationofaqueousextractsfromArtemisiaFrigidaWilldTreatedwith5mg。ml～aqueousextr

7、actthegerminationrateofthefivegrassesdecreasedby39％、71％、36％、59％and18％respectively；aqueousextractfromArtemisiaFrigidaWilldcontrolledthegermlengthandradiclelengthbyaffectingaccumulationanddistributionofnutritivesubstanceso

8、ftheyoungseedlingsatgerminationtime，andthegrowthquantityoftheplumuleandradicledecreasedby15～142％and10～307％respectively；TheinhibitoryeffectsonthegerminationandseedlinggrowthofmethanolextractfromArtemisiaFrigidaWilldwerest

9、rongerthanthatofinthesamecondition3Theresultsofseedlinggrowthexperimentshowedthatapartfrom05mg’ml叫aqueousextract，otherdentisytreatmenttorootlengthofMedicagosativaLCvAergangjinandstem—leaflengthofSorghumSudanense(Piper)ha

10、dinhibitoryeffectandtheinhibitionrateweredecreasedby18O～1000％、197～100％respectivelyandachievedtoprominentandtotallyprominentcompetenceAllthedensitytreatmentofArtemisiaFr／gidaWilldtoChlorophyllcontentofSorghumSudanense(Pip