草莓果實發(fā)育成熟及衰老過程中超微弱發(fā)光的變化及側重于活性氧和能量水平的激發(fā)機制.pdf

1、分類號S663.9學校代碼10129UDC635學號2012202044草莓果實發(fā)育成熟及衰老過程中超微弱發(fā)光的變化及側重于活性氧和能量水平的激發(fā)機制TheChangeofUltraweakBiolumInescenceattheProcessofDevelopmentMaturationinStrawberryFruitFocusontheExcitationMechanismofReactiveOxygenEnergyLevel申請

2、人：朱冠宇學科門類：農(nóng)學學科專業(yè)：果樹學研究方向：園藝植物栽培及生理研究指導教師：郭金麗副教授論文提交日期：二〇一五年六月TheChangeofUltraweakBiolumInescenceattheProcessofDevelopmentMaturationinStrawberryFruitFocusontheExcitationMechanismofReactiveOxygenEnergyLevelAbstractThisexpe

3、rimenttookthestrawberryasmaterialtoexpletherelationshipbetweenthechangeofultraweakbioluminescencereactiveoxygensystem、energylevelattheprocessoffruitripeningmaturationbystudyingthechangesofultraweakbioluminescence、reactiv

4、eoxygensystem、energylevelfruitquality.Themainresultswereasfollows:1.Duringthetwoprocessofmaturationpostharvestinthestrawberryfruitfruitfirmnesschlophyllcontenttitratableaciditydecreasedanthocyaninscontentsolublesolidssol

5、ublesugarcontentVccontentincreasedgraduallyUWLintensityvariedwiththedegreeofdevelopmenttheextensionofstagetimeitdeedthatUWLmayreflectthedegreeoffruitdevelopmentsenescenceInadditionbecauseofthechlophyllwasthemostimptantph

6、otosyntheticpigmentswiththedevelopmentofthefruitmatureschlophyllcontentdecreasedUWLwasdecliningbothhadcrelationchloplastsphotosynthesismaybeusedasonesourceofUWL.2.Duringthetwoprocessofmaturationpostharvestinthestrawberry

7、fruitROSlevelsoverallrisedthestrengthofactiveoxygenintheprocessofpostharvestwasgreaterthantheprocessofdevelopmentUWLintensityoveralldecreaseditindicatedthatwiththeaccumulationofreactiveoxygenspeciesUWLintensitydecreaseds

8、eenthatduringtheprocessofdevelopmentsenescencetheaccumulationofreactiveoxygenspecieswasnottheonlysourcetocausethechangeofUWLdidnotreflectthetrendofUWL.3.Duringthetwoprocessofmaturationpostharvestinthestrawberryfruittheen

9、ergylevelsrepresentedbyATPoveralldecreasedthevaryingintensityofenergylevelatroomtemperaturewasgreaterthanthelowtemperaturestageUWLintensityoveralldecreasedtrenditindicatedthatwiththeweakeningoftheenergylevelstheUWLintens