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Effects of elevated ozone on yield and carbon allocation in strawberry cultivars differing in developmental stage

Lookup NU author(s): Dr Pavlina Drogoudi

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Abstract

The effects of elevated ozone (O-3) on yield, growth, photosynthetic rate, whole-plant C-14- allocation and biomass of two strawberry (Fragaria x ananassa Duch.) cultivars were investigated. The two cultivars (Bogota and Elsanta) were at the beginning and end of fruiting, respectively, when exposed to 74 ppb ozone (O-3) (8-h day(-1)) for 7 and 11 weeks, respectively, in open-top chambers. O-3 reduced yield without affecting growth and biomass in cv. Bogota. The photosynthetic rate was lower in O-3 in cv. Bogota and there was a trend that increased C-14-allocated after 24-h to developing leaves in O-3. In post-fruiting Elsanta, O-3 did not significantly affect the photosynthetic rate, growth and above-ground biomass. However, root biomass was significantly lower in O-3; O-3 also caused an increase in 1(4C)-allocated after 27 days to the old leaves.

Publication metadata

Author(s): Drogoudi PD, Ashmore MR

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Phyton: Annales Rei Botanicae: 5th International Symposium on Responses of Plant Metabolism to Air Pollution and Global Change

Year of Conference: 2002

Pages: 45-53

ISSN: 0079-2047

Publisher: Verlag Ferdinand Berger und Soehne GmbH

Library holdings: Search Newcastle University Library for this item

ISBN:

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