Acaphu: A tetraploid, fertile breeding line, selected from anS. acaule ×S. phureja cross

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1984 English Publisher:Springer Science and Business Media LLCJournal:American Potato Journal, volume 61, pages 1-7 (issn: 0003-0589, eissn: 1874-9380,

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Authors: R. N. Estrada;

doi: 10.1007/bf02871289

Acaphu: A tetraploid, fertile breeding line, selected from anS. acaule ×S. phureja cross

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Abstract

An artificial, fertile breeding line was obtained by crossingS. acaule, Bitter toS. phureja Juz et Buk. It has 2n = 48 chromosomes and was formed by fertilization ofS. acaule eggs (n = 24) andS. phureja pollen grains (2n = 24). It possesses valuable characters ofS. acaule andS. phureja combined, and is highly male and female fertile, producing abundant seed by selfing or by crossing to tetraploid, cultivated potato clones. Since it is tetraploid and easy to cross, it is expected to be more efficient for transferring valuable genes fromS. acaule to cultivars than the natural, well known, hybridogenic speciesS. ×juzepczukii (2n = 36) and S. ×curtilobum (2n = 60).

Related Organizations

Instituto Colombiano Agropecuario
Colombia

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