Abstract
This study was conducted to evaluate the apples ‘Anna,’ ‘Elba,’ ‘Ma´ayan,’ and ‘Agua Nueva II’ (self-pollination) as pollinators. ‘Agua Nueva II’ apple trees grafted onto the rootstock MM106 were used. Conduction was a trellis system, with distances between plants of 2, 3, and 4 m. Three experiments were set up: in Experiment 1 branches with flowers from each of the pollinators were placed inside the crowns of the ‘Agua Nueva II’ trees, while in Experiments 2 and 3 pollination was done manually. The flowering period of ‘Ma´ayan’ apple was that which best overlapped with that of ‘Agua Nueva II,’ and it was found that the cultivars ‘Anna,’ ‘Elba,’ and ‘Ma´ayan’ are compatible with ‘Agua Nueva II.’ with 18.7; 12.9 y de 13.4 a 19.0 % fruit set, respectively. In the cultivar Agua Nueva II, a response of self-incompatibility was found, with between 0 and 0.85 % fruit set after self-pollination.
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