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Selection criteria in cloudberry Eivind Uleberg, Inger Martinussen , Gunnlaug Røthe

Selection criteria in cloudberry Eivind Uleberg, Inger Martinussen , Gunnlaug Røthe. Clone evaluations at Bioforsk Holt. Selection criteria Number of pistils or stamens per flower Number of flowers Number of shoots per m 2 Released cultivars Two female; ‘Fjellgull’ and ‘Fjordgull’

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Selection criteria in cloudberry Eivind Uleberg, Inger Martinussen , Gunnlaug Røthe

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  1. Selection criteria in cloudberryEivind Uleberg, Inger Martinussen, Gunnlaug Røthe

  2. Clone evaluations at Bioforsk Holt • Selection criteria • Number of pistils or stamens per flower • Number of flowers • Number of shoots per m2 • Released cultivars • Two female; ‘Fjellgull’ and ‘Fjordgull’ • Two male; ‘Apollen’ and ‘Apolto’

  3. Materials and methods • Clones planted on peat in open outdoor benches • 0.8 m2 squares • 16 plants per square • Established 2003 • Observations • Number of flowers • Number of berries • Fresh weight of berries

  4. Clone material

  5. Number of flowers

  6. Number of berries

  7. Number of flowers per berry

  8. Mean berry weights

  9. Mean berry weights as affected by harvesting time

  10. Antioxidant content of different genotypes

  11. Conclusions • Further evaluations needed before deciding future selection criteria • Genetic and environmental variance • Heritability estimates • Genotype by environment interactions? • Berry contents will most likely be included as new selection criteria

  12. Thank you for your attention!

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