Effects of UV-B radiation on Olea europaea: comparisons between a greenhouse and a field experiment

Autor:	Vally Liakoura, George Karabourniotis, Yiannis Manetas, Sotiria Stavrianakou, George Liakopoulos
Rok vydání:	1999
Předmět:	biology Physiology Field experiment Cuticle Greenhouse Plant Science Radiation biology.organism_classification Ozone depletion Trichome Horticulture Olea Ozone layer Botany
Zdroj:	Tree Physiology. 19:905-908
ISSN:	1758-4469 0829-318X
DOI:	10.1093/treephys/19.13.905
Popis:	We compared growth, morphology, anatomy and physiology of field-grown Olea europaea L. plants after one year with or without supplemental UV-B radiation equivalent to the increase at ground level resulting from a 15% depletion in stratospheric ozone concentration over Patras, Greece (38.3 degrees N, 29.1 degrees E). In a parallel greenhouse experiment, plants were exposed for four months to either zero UV-B radiation or UV-B radiation equivalent to that of the supplemented outdoor treatment. In the field, the only significant changes in response to supplemental UV-B radiation were an increase in adaxial epidermal thickness and a decrease in total protein concentration. In the greenhouse-grown plants, UV-B radiation caused significant increases in abaxial cuticle thickness and trichome UV-B absorbing compounds. We conclude that Olea europaea exhibits high UV-B tolerance and will not be affected by the predicted increases in UV-B radiation.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::784e77e5d9bf531ac299017499593568 https://doi.org/10.1093/treephys/19.13.905 Zobrazit plný text záznamu Plný text ve formátu PDF