松嫩不同鹽堿化羊草草原羊草葉片蛋白質(zhì)積累特性.pdf

1、東北師范大學(xué)碩士學(xué)位論文松嫩不同鹽堿化羊草草原羊草葉片蛋白質(zhì)積累特性姓名：康樂申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：生態(tài)學(xué)指導(dǎo)教師：郭繼勛石連旋20061201AbstractLeymuschinensisamemberofGramineaeLeymusisaperennialgramineousgrasswithlongrhizomes，whichisadominatinggrassspeciesinsongnengrasslandIthaswid

2、elyecologicalscope，whichcarlgrowwithAeluropussinensis，PuccinelliatenuifloraandSuaedaglaucaIthaslotsofspecialitiesinEcophysiologysuchashighproducavitytoleranceofdryleallIless—resistantandsalinealkalitolerance，abundanceofn

3、utrition，greatworthofeconomyandfeelswellButrecentlymanysteppesbecamesaline—alkaliandecologicalenvironmenthasbeendestroyedbecauseoftheincorrectUSingofLeymuschinensissteppeSostudyonGramineaeLeymusinverse—resistantecophysio

4、logyandmolecularmechanismhadsignificantmeaninginbothproductionofLeymuschinensisandmanagementandreformationofsaline—alkaliSteppeThestudydiscussedthegrowthadaptationofLeymuschinensisfromtheaspectsoftheproteinaccumulationan

5、dnitrogenmetabolisminsaline—alkaligrasslandandtriedtoanalyzetherelationamongproteinaccumulation，LeymuschinensispopulationformationandphysicchemicalcharactersofsoilTheresultsindicatedthattllesolubleproteinofLeymuschinensi

6、satdifferentgrowthperiodsalongthesaline—alkalineWasdifferentnotonlyinproteincontentbutalsoinproteinunitsconstituteAlongwiththeincreaseofthesalinealkaline，thevariationtendenciesofthesolubleproteincontentateverygrowthstage

7、swasdifferentSuchasatfloweringstageandbootingstageshowedthetrendofincreasedecrease～抽crease～decrease：Atmilkingstage，waxripeningstage，vegetativingstageafterthefullripeandperishingstageshowedthetrendofdecrease～increase～decr

8、ease；Inaddition，Whenimitatingsalinealkalitolerance，thevariationtendenciesofthesolubleproteincontentwassimilartofloweringstageandbootingstageAtproteinunitsconstitute，everygrowthstagesofLeymuschinensisallfoundexceptionalpr

9、oteinbandsSuchas1346KDatfloweringstageandbootingstage；1453KDatmilkingstage，Waxripeningstage，vegetativingstageafterthefullripeandperishingstageand1346KDatimitmingTheseproteinunitsmightbecauseofsalinealkalitoleranceAlongth

10、esalinealkaline，nitrogenmetabolismofLeymuschinens括changedThecontentofNH4NappearedtodescendobviouslyThecontentofN03一NappearedtisethendescendThewholenitrogencontenthadnoobviousvarietyKeyword：Leymuschinensis；Saline—alkaliga