Caracterización de la radiación ultravioleta en la provincia de Huelva e incidencia en la productividad y el valor biotecnológico de cultivos de interés comercial
- Casal Bejarano, Carlos
- Carlos Vílchez Lobato Director
- Juan Pedro Bolívar Raya Co-director
- Benito A. de la Morena Carretero Co-director
Defence university: Universidad de Huelva
Fecha de defensa: 07 November 2008
- José María Vega Piqueres Chair
- Inés Garbayo Nores Secretary
- Antonio José Márquez Cabeza Committee member
- Manuel Gil Ojeda Committee member
- Rosa María León Bañares Committee member
Type: Thesis
Abstract
Both ultraviolet (UV-A; UV-B) and photosynthetic active radiation (PAR) received on the Huelva's occidental coast during 2004-2006 have been characterized in this Thesis, assessing the risk of UV-exposed population and knowing the temporal UV-radiation distribution. Then, their influence on two vegetable cultures of commercial interest, the microalga Dunaliella and Fragaria x ananassa, is analyzed. The UV-radiation potential (mainly UV-A) on the carotenoid accumulation without affecting culture viability has been confirmed and the essential role of UV-B on the ß-carotene accumulation to the detriment of cellular viability was also checked. Besides, a Dunaliella mutant showing fast growth and similar levels of carotenoid accumulation has been assayed. Finally, the UV-radiation effect on the productivity and nutritional quality of two strawberry cultivars, "Camarosa" and "Ventana", has been evaluated.