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Breeding, disease resistance screening and seed production of new potatoe varities.
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2000-09-01
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Keogh, H.W., Dowley, L.J., O'Sullivan, E., Breeding, disease resistance screening and seed production of new potatoe varities, End of Project Reports, Teagasc, 2000.
Abstract
The potato breeding programme at Oak Park was started in the 1960's and has consisted of a
number of distinct phases. In the first phase the focus was on the testing of the main domestic
and foreign varieties in field trials in the main potato growing areas of the country. This was
followed by a breeding programme for the domestic market, with particular emphasis on the
production of a blight resistant replacement for Kerr’s Pink. The emphasis then switched to
breeding for the export market, with the focus on the UK and Mediterranean markets. Since
then the breeding programme has been focused on the domestic, processing and export
markets. The process of breeding, testing and multiplying a new potato variety from the making
of the initial cross until the new variety can be commercially grown takes about 15 years (see
Appendix 2).
The objectives of the present Potato Breeding Programme are:
1. Breeding improved varieties for the seed export trade.
2. Developing high yielding early maincrop and maincrop types with resistance to potato cyst
eelworm Globodera rostochiensis and or Globodera pallidae with quality suitable for the UK
market.
3. Developing a high dry-matter red skinned early maincrop or maincrop variety suitable for the
home ware trade with a high level of disease resistance especially to late blight.
4. To select early maincrop or maincrop types suitable for processing into crisps and chips.
5. Breeding 1st and 2nd early varieties suitable for Irish and UK conditions with improved quality
and disease resistance.