高溫逆境下菜豆膜傷害機(jī)理及調(diào)控措施的研究.pdf

1、中國農(nóng)業(yè)大學(xué)碩士學(xué)位論文高溫逆境下菜豆膜傷害機(jī)理及調(diào)控措施的研究姓名：馬海艷申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)生物環(huán)境與能源工程指導(dǎo)教師：高麗紅許亦農(nóng)2002.6.1HightemperaturestressisacommonproblemforhorticulturalplantsespeciallythosegrowningreenhouseTheadverseeffectofhightemperaturestressontheyield

2、andqualityofhorticulturalplantsisveryseriousSomoreandmoreexpertsattachimportancetotheresistanceofhorticulturalplantstohightemperaturestressSuchresearchcallnotonlycontributetounderstandtheinjuryandacclimationmechanismsofp

3、lantsgrowninhightemperatureconditions，butalsohelptodevelopsometechnologiestoalleviatesuchstressThispaperreviewstheresponseofmembranesofvegetablecropstohiglltemperaturestressanditsacclimationmechanisms，introducesthesoluti

4、onstosuchstressThisexperimentconsiststwosectionsInonesection，theresponseofcommonbeancultivarsdifferinginheattolerance，85CTstrike(heattolerant)andBBL47，BSL240(heatsensitive)inthedegreeofsaturationofthylakoidmembranefattya

5、cids，thecontentofchlorophyll，thechangesofphotosynthesis，thestabilizationofmembranes，tohightemperaturestressareresearchedIntheothersection，theeffectofregulativereagentsoncommonbeangrownunderhigIltemperatureatestudiedThede

6、greeofsaturationoffattyacidshasbeenmeasuredforthylakoidmembranesisolatedfromleavesofcommonbeansgrownunderoptimalandhightemperatureAlthoughthelipidclasscompositionisnotsignificantlychangedforthetwoconditions，thedegreeofsa

7、turationoffattyacidsisgreaterforhightemperaturethanoptimaltemperatureplantsFurthermore，thesaturationoffattyacidsisgreatarfor85CTandstrikethanBBLM7andBBL240Theresearchofthechangesofphotosynthesis，thestabilizationofmembran

8、estohightamperaturestressprovethat85CTcanindeedtoleratehightamperaturestressthanBBL47Inseveralregulativereagentstheproline(50mg／L)canmarkedlyincreasetheyieldandimprovethestabilizationofmembranesofcommonbcaIIgrownunderhi【