Leaf Photosynthesis in Eight Almond Tree Cultivars |
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Authors: | F De Herralde C Biel R Savé |
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Institution: | (1) Departament de Tecnologia Hortícola, Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Ctra. de Cabrils s/n, 08348 Cabrils, Barcelona, Spain |
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Abstract: | Response of gas exchange traits to irradiance were studied in eight almond tree (Prunus amygdalus) cultivars: Desmayo Largueta, Falsa Barese, Garrigues, Lauranne, Marcona, Masbovera, Nonpareil and Ramillete, grafted on
a hybrid rootstock almond × peach GF-677. From these responses cultivars can be classified from the best to the worst photosynthetic
performance as follows: Falsa Barese, Masbovera, Marcona, Nonpareil, Ramillete, Desmayo Largueta, Lauranne and Garrigues.
The highest net photosynthetic rate was 20.3 μmol m−2 s−1 in Falsa Barese. In the absence of water stress, photosynthetic rate was not limited by stomatal conductance. Consequently,
non-stomatal limitations prevailed under such conditions.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | internal CO2 concentration light response curves net photosynthetic rate Prunus amygdalus stomatal conductance stomatal limitation |
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