2010Egyptian Journal of Agricultural Sciences /Egyptian Journal of Agricultural SciencesOpen access

EFFECT OF SELF, OPEN AND CROSS POLLINATION ON FRUIT SET OF THREE APPLE CULTIVARS IN SOUTH JORDAN

A. Al-Joumayly, Saed J. Owais, Adel H. Abdel‐Ghani

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Abstract

Pollination and fruit set were investigated in the three apple cultivars Ice, Adena and Red Top, at south Jordan during two successive seasons (2007 and 2008).The results indicated that the cultivars are selfincompatible.Open pollination was very effective in improving fruit set in the three cultivars.Crosspollination with apple "Golden delicious" pollen grains improved fruit set compared to self-pollination.These results suggest that many apple cultivars should be planted together in any orchard in order to obtain acceptable commercial productivity.Bloom time overlapping between these cultivars is required to ensure effective cross pollination.In general, there is a relationship between pollination type and some physical and chemical fruit characteristics.

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Pollination and fruit set were investigated in the three apple cultivars Ice, Adena and Red Top, at south Jordan during two successive seasons (2007 and 2008).The results indicated that the cultivars are selfincompatible.Open pollination was very effective in improving fruit set in the three cultivars.Crosspollination with apple "Golden delicious" pollen grains improved fruit set compared to self-pollination.These results suggest that many apple cultivars should be planted together in any orchard in order to obtain acceptable commercial productivity.Bloom time overlapping between these cultivars is required to ensure effective cross pollination.In general, there is a relationship between pollination type and some physical and chemical fruit characteristics.

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Available abstract

Pollination and fruit set were investigated in the three apple cultivars Ice, Adena and Red Top, at south Jordan during two successive seasons (2007 and 2008).The results indicated that the cultivars are selfincompatible.Open pollination was very effective in improving fruit set in the three cultivars.Crosspollination with apple "Golden delicious" pollen grains improved fruit set compared to self-pollination.These results suggest that many apple cultivars should be planted together in any orchard in order to obtain acceptable commercial productivity.Bloom time overlapping between these cultivars is required to ensure effective cross pollination.In general, there is a relationship between pollination type and some physical and chemical fruit characteristics.

Key concepts: Fruit set, Cultivar, Pollination, Open pollination, Horticulture, Biology, Mathematics, Agronomy

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