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Titolo:
Growth conditions are more important than species origin in determining leaf pigment content of British plant species
Autore:
Rosevear, MJ; Young, AJ; Johnson, GN;
Indirizzi:
Univ Manchester, Sch Biol Sci, Manchester M13 9PT, Lancs, England Univ Manchester Manchester Lancs England M13 9PT M13 9PT, Lancs, England Liverpool John Moores Univ, Sch Biol & Earth Sci, Liverpool L3 3AF, Merseyside, England Liverpool John Moores Univ Liverpool Merseyside England L3 3AF e, England
Titolo Testata:
FUNCTIONAL ECOLOGY
fascicolo: 4, volume: 15, anno: 2001,
pagine: 474 - 480
SICI:
0269-8463(200108)15:4<474:GCAMIT>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
CAROTENOID COMPOSITION; XANTHOPHYLL CYCLE; LIGHT ENVIRONMENT; CHLOROPHYLL; ACCLIMATION; PHOTOSYNTHESIS; CHLOROPLASTS; SUN;
Keywords:
adaptation; carotenoid; chlorophyll; sun/shade acclimation; xanthophyll cycle;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Johnson, GN Univ Manchester, Sch Biol Sci, 3-614 Stopford Bldg,Oxford Rd, Manchester M13 9PT, Lancs, England Univ Manchester 3-614 Stopford Bldg,Oxford Rd Manchester Lancs England M13 9PT
Citazione:
M.J. Rosevear et al., "Growth conditions are more important than species origin in determining leaf pigment content of British plant species", FUNCT ECOL, 15(4), 2001, pp. 474-480

Abstract

1. This paper describes a study of 23 plant species native to the British Isles, to investigate the relative importance of growth conditions and ecological origin in determining the content and composition of the photosynthetic pigments (chlorophylls and carotenoids) within leaves.2. The species studied reflected a range of ecological types, from deep shade to full sun.3. Plants were grown in two light environments: high light (HL), filtered through a clear filter; and low light (LL), filtered through a neutral density filter which reduced total irradiance with enhanced far-red.4. Plants grown at high irradiance contained more carotenoid per unit chlorophyll and showed a marked increase in xanthophyll cycle pigments relativeto other carotenoids.5. Deep-shade plants were slightly less responsive to changes in growth light conditions than plants native to less shaded locations. Intermediate sun/shade plants were slightly more responsive; however these differences were small compared with the extent of the response of all species to HL vs LL.6. The main conclusion is that that the light conditions to which the plants are exposed are more important than the genetic predisposition of those plants in determining the pigment content and composition of leaves.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/09/20 alle ore 15:07:19