Leaf photosynthesis in eight almond tree cultivars
2003
De Herralde, F. | Biel, C. | Save, R. (Institut de Recerca i Tecnologia Agroalimentaries, Cabrils (Spain). Dept. de Tecnologia Horticola)
Response of gas exchange traits to irradiance were studied in eight almond tree cultivars: Desmayo Largueta, Falsa Barese, Garrigues, Lauranne, Marcona, Masbovera, Nonpareil and Ramillete, grafted on a hybrid rootstock almond x 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 micromol/square m/s 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.
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