Effects of prolonged elevated temperature on leaf gas exchange and other leaf traits in young olive trees
- Miserere, Andrea
- Rousseaux, Maria Cecilia
- Ploschuk, Edmundo Leonardo
- Brizuela, Maria Magdalena
- Curcio, Matías Hernán
- Zabaleta Nievas, Romina Belén
- Searles, Peter Stoughton
DOIAbstract
Despite the economic importance of long-lived crop species in the Mediterranean Basin and their expansion to new warmer regions, their potential responses to prolonged temperature increases have not been adequately addressed. The objectives of this study were to: (i) assess leaf gas exchange responses to prolonged elevated temperature in young olive trees; (ii) evaluate some additional leaf traits such as stomatal density and size under these same conditions; and (iii) determine whether photosynthetic acclimation to temperature was apparent. A field experiment with two temperature levels was conducted using well-irrigated, potted olive trees (cvs. Arbequina, Coratina) grown in open-top chambers during the summer and early fall in two growin...
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