title: Increase in the intensity of thermoluminescence Q-band during leaf ageing is due to a block in the electron transfer from Q( A) to Q( B).
abstract: The thermoluminescence (TL) parameters in intact leaves and thylakoids isolated from leaves showed a different pattern of change during leaf ageing. Ageing of leaves brought about a decrease in the B-band and a simultaneous increase in the Q-band. Thylakoids showed only a decrease in the B-band. The TL bands further show that there is generation of an endogenous electron transport inhibitor during leaf ageing.
authors.affiliation: Department of Botany, Utkal University, Bhubaneswar-751004, India.
authors.forename: A K
authors.initials: AK
authors.lastname: Biswal
authors.forename: F
authors.initials: F
authors.lastname: Dilnawaz
authors.forename: K A
authors.initials: KA
authors.lastname: David
authors.forename: N K
authors.initials: NK
authors.lastname: Ramaswamy
authors.forename: A N
authors.initials: AN
authors.lastname: Misra
mesh_terms: D007887:Fabaceae; D049449:Luminescence; D009149:Mustard Plant; D010788:Photosynthesis / Q000502:physiology*; D045322:Photosynthetic Reaction Center Complex Proteins / Q000737:chemistry*; D018515:Plant Leaves / Q000737:chemistry / Q000502:physiology*; D020524:Thylakoids / Q000502:physiology*
chemical_list: D045322:Photosynthetic Reaction Center Complex Proteins