草莓果實(shí)發(fā)育成熟及衰老過程中超微弱發(fā)光的變化及側(cè)重于活性氧和能量水平的激發(fā)機(jī)制

1、分類號S663.9學(xué)校代碼10129UDC635學(xué)號2012202044草莓果實(shí)發(fā)育成熟及衰老過程中超微弱發(fā)光的變化及側(cè)重于活性氧和能量水平的激發(fā)機(jī)制TheChangeofUltraweakBiolumInescenceattheProcessofDevelopmentMaturationinStrawberryFruitFocusontheExcitationMechanismofReactiveOxygenEnergyLevel申請

2、人：朱冠宇學(xué)科門類：農(nóng)學(xué)學(xué)科專業(yè)：果樹學(xué)研究方向：園藝植物栽培及生理研究指導(dǎo)教師：郭金麗副教授論文提交日期：二〇一五年六月萬方數(shù)據(jù)TheChangeofUltraweakBiolumInescenceattheProcessofDevelopmentMaturationinStrawberryFruitFocusontheExcitationMechanismofReactiveOxygenEnergyLevelAbstractThis

3、experimenttookthestrawberryasmaterialtoexpletherelationshipbetweenthechangeofultraweakbioluminescencereactiveoxygensystem、energylevelattheprocessoffruitripeningmaturationbystudyingthechangesofultraweakbioluminescence、rea

4、ctiveoxygensystem、energylevelfruitquality.Themainresultswereasfollows:1.Duringthetwoprocessofmaturationpostharvestinthestrawberryfruitfruitfirmnesschlophyllcontenttitratableaciditydecreasedanthocyaninscontentsolublesolid

5、ssolublesugarcontentVccontentincreasedgraduallyUWLintensityvariedwiththedegreeofdevelopmenttheextensionofstagetimeitdeedthatUWLmayreflectthedegreeoffruitdevelopmentsenescenceInadditionbecauseofthechlophyllwasthemostimpta

6、ntphotosyntheticpigmentswiththedevelopmentofthefruitmatureschlophyllcontentdecreasedUWLwasdecliningbothhadcrelationchloplastsphotosynthesismaybeusedasonesourceofUWL.2.Duringthetwoprocessofmaturationpostharvestinthestrawb

7、erryfruitROSlevelsoverallrisedthestrengthofactiveoxygenintheprocessofpostharvestwasgreaterthantheprocessofdevelopmentUWLintensityoveralldecreaseditindicatedthatwiththeaccumulationofreactiveoxygenspeciesUWLintensitydecrea

8、sedseenthatduringtheprocessofdevelopmentsenescencetheaccumulationofreactiveoxygenspecieswasnottheonlysourcetocausethechangeofUWLdidnotreflectthetrendofUWL.3.Duringthetwoprocessofmaturationpostharvestinthestrawberryfruitt

9、heenergylevelsrepresentedbyATPoveralldecreasedthevaryingintensityofenergylevelatroomtemperaturewasgreaterthanthelowtemperaturestageUWLintensityoveralldecreasedtrenditindicatedthatwiththeweakeningoftheenergylevelstheUWLin