Abstract

The behaviour of six almond varieties («Arrubia», «Cossu», «Filippo Ceo», «Tuono», «Nonpareil», «Texas») grown for seven years on bitter almond and peach rootstocks in three different areas of Sardinia was studies, together with the effect of dry-farming and irrigation. Observations on plant growth and yield were made during the experiments. All the varieties grew and yielded better under irrigation and on peach, with difference highly significative between the thesis for the cultivar «Filippo Ceo» and not significative for the cultivar «Arrubia» and «Nonpareil». The cultivar «Texas», «Arrubia», and «Tuono» proved to have the best vigour on both the rootstoocks tested and on both irrigated and dry-farming plots. while the cultivar «Texas» and «Filippo Ceo» and «Tuono» yielded better. Some difference on growth and yield due to environmental conditions were also found.

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