水芹種子萌發(fā)的因素及其休眠生理研究.pdf

1、分類號密級53302單位代碼。學(xué)號10：剛j旦璺業(yè)望塵2Q至!I曼巖微雇業(yè)大學(xué)學(xué)位論文水芹種子萌發(fā)的兇素及其休眠生理研究StudyonfactorsofWaterDropwortSeeds’Germinationand研究指導(dǎo)教DormancyPhysiology生：一一強(qiáng)盤避師：筮塞塑副數(shù)撞申請學(xué)位門類級別：壅堂亟稱：一薤苤堂———向：益墓凸廈與塞全一答辯委員會主席：2007年6月叢生私方學(xué)業(yè)究在專研所AbstractThispape

2、rconcentratesonseeddormancyanditsbreakingofwaterdropwort，usingthemethodofharvestexperimenttestingthepermeabilityoftheseed，distillingstayerandtesting，germinationtrial，testingrespiration，testingthevigorofenaymeandmeasuring

3、hormonecontentindifferentstratification，ThesexualpropagationsystemwaspreliminaryestablishedandprovidedafeasibleapproachforprotectinganddevelopingtheresourcesofwaterdropwortTheresuitsasfollows：1Theharvestpartharvestdatean

4、dthewayoftorrefactionareattributedtothegerminationratio，TheseedsoffirstanthotaxybeathighgerminationabilityWhentheseedsbecameyellowisthebesttimetoharvest，becauseitcanguaranteenotonlyqualitybutalsooutput，2qbepermeabilityof

5、waterandairofwaterdropwortseedcoalisbetterandithasnoeffect011seeddormancyBiologytestindicatesthatSomegrowthinhibitorsintheseedsaletimmainreasonforseeddormancy3ncoptimumenvironmentalconditionis：20℃2500Ixlightintensity十24h

6、illumination4Stlatifieationde略sitsw01ktob媳akdorraancyazaongd遺erenttrials。then喊j5KN03Thebestwaytobreakdormancyis：stratification20days005％H20220℃血thismethodthegerminationratioc∞r(nóng)each8333％5Stratificationplaysanimportantrote

7、inthegerminationoftheseedsItcanpromotetherespiratoryofseeds，especiallyafter25days6AmylasevigorandHpascvigorchangesmallafterbreakingdormancybu_tdoesn’tthevigorofPODitCallpromotePPPway7Dynamicchangeofplanthormoneduringseed