藻類生長化學調控劑的篩選及其作用機制的研究.pdf

1、華中農業(yè)大學碩士學位論文藻類生長化學調控劑的篩選及其作用機制的研究姓名：楊勝勇申請學位級別：碩士專業(yè)：水產養(yǎng)殖指導教師：王明學20060601ABSTRACTTwochemicals，2，4dichlorophenoxyaceticacidandglucose，whichCanpromotethea12aegrowthhavebeenselectedfromsixregulationagents；thegrowthspeedandthe

2、concentrationofthechlorophyllaoffouralgaehavebeentestedThemainstudyareacovers：11selectingthechemicalswhichCanfacilitatethegrowthoftheChlorellaveryobviouslv；2)checkingtheeffectsofmethanolontheChIorellaandtheeffectsofdi筒er

3、entconcentrationof2，4一DandglucoseonthegrowthandchlorophyllacontentofChtorell口PYrenoidosa。Scenedesmusobliquus，NitzschiastagnorumandMicrocystis口eru窖訊os口ThepurposeistoselectthechemicalregulationagentswhichCanpronouncedlypro

4、motethegrowthofalgaeandchecktheinfluenceon膨口e廠昭f72D，盯；thustoprovidereferencestothecultureofthealgaeinlargescaleTheexperimentalalgaealeculturedinaclimate—controlchamberwithatemperature托ngeof2527“C，ahumidityof80％，aratiooft

5、helighttodarkis12h：12h，andalightintensitvisabout3000Ix；theflaskshavebeenrotatedroutinelyfor3timeseveryday，andchangedtheplacerandomlyTheresultsareasfollows：1Ata西venrangeofconcentration，2，4Dandglucosecanpromoteorrepressthe

6、algalgrowthandtheireffectswillbechangedwiththeconcentrationof2，4Dandthespeciesofalgae2TheoptimaleffeCtiveconcentrationsof2，4DonthegrowthofCpyrenoidosa，Sobli礙““sK穆z，Ⅳ5tagnorumandA互aeruginosaare025mg／L050mg／LO50mg／Land050m

7、g／Lrespectively，andthoseontheincrementofchlorophyllacontentls050mg幾1Omg／L’025mg／Land050mg／Lrespectively3TheoptimaleffectiveconcentrationsofglucoseonthegrowthofCpyrenoidosa，&Dbliq“USandMaeruginosaareO1如019／Land0259／Lrespe

8、ctively，andthoseOnthepfomotionofchlorophyllacontentareO19／LO19／Land0259／Lrespectively4Overdosageof2，4DandglucoseCanrepressthegrowthofalga，andanyusageofglucosewillrepressthegrowthofNstagnorumKeywordCh／orellapyrenoidosa；Sc