Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2021
Forfattere
Trygve S. Aamlid Wendy Marie Waalen Mads Thers James Bentley Guttorm Ray Tuxen Gavin Jagger Max Tangen Pål Melbye Håkan BlusiSammendrag
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Forfattere
Trygve S. Aamlid Wendy Marie Waalen Mads Thers James Bentley Guttorm Ray Tuxen Gavin Jagger Max Tangen Pål MelbyeSammendrag
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Sammendrag
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Sammendrag
The Norwegian newly bred pear cultivar, ‘Celina/QTee®’, which was launched in 2010, has been released from the Norwegian breeding program. It derived from the combination ‘Colourée de Juillet’ × ‘Williams’. In Norway the flowering is medium to late in May and it ripens in the beginning of September. It has large attractive fruits with red blush and good fruit quality, storability and shelf life. Significant areas of ‘Celina’ cultivars are planted in other countries, mainly Europe. Generally, unfavourable environmental conditions for pear pollination during the Nordic spring can have a very negative effect on the yields in Norwegian pear orchards. Therefore, it is of considerable importance to interplant multiple suitable pollinizer genotypes together with the main cultivar. In order to find the right pollinizers besides following biology of fertilization, pollinizing efficacy using microsatellites were studied at NIBIO Ullensvang, western Norway. In this study, during 2017, seeds from fruits of the pear cultivar ‘Celina’ were extracted. The fruits were randomly harvested from five different orchards located in Ullensvang including NIBIO. Alongside the seeds, leaves were taken from the mother cultivar (‘Celina’) and five pear pollinizer cultivars presented in the orchards (‘Fritjof’, ‘Kristina’, ‘Clara Frijs’, ‘Herzogine Elsa’ and ‘Anna’). Using 11 microsatellite markers, a genetic characterization was conducted on both the seeds and the leaves. The obtained SSR profiles were used for gene assignment analyses. The results of the genetic analyses indicate a very heterogeneous situation regarding pollination. In conclusion, ‘Fritjof’, ‘Kristina’, ‘Clara Frijs’, ‘Herzogine Elsa’ and ‘Anna’ pears had different pollen contributions as pollinizers to ‘Celina’ depending on the investigated orchard. Only one cultivar (‘Herzogine Else’) could be singled out as a major pollen contributor in more than two orchards. Genetic analyses will be repeated in the same orchards, during an additional season, after which more conclusive results will be available.
Forfattere
Milica Fotiric Aksic Kristina Lazarević Sandra Šegan Maja Natić Tomislav Tosti Ivanka Ćirić Mekjell MelandSammendrag
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Forfattere
Nermina Spaho Fuad Gasi Erich Leitner Milenko Blesić Asima Akagic Sanja Orucevic Zuljevic Mirsad Kurtovic Davorka Dukic Ratkovic Mirela Smajic Murtic Milica Fotiric Aksic Mekjell MelandSammendrag
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Forfattere
Teresa Barreneche Maria Cárcamo de la Concepción Marine Blouin-Delmas Matthew Ordidge Hilde Nybom Gunars Lacis Daina Feldmane Jiri Sedlak Mekjell Meland Hedi Kaldmae Kersti Kahu Zsuzsanna Bekefi Sanda Stanivukovic Gordana Đurić Monika Høfer Martin Galik Elisabeth Schüller Andreas Spornberger Sorina Sirbu Pavlina Drogoudi Ana Christina Agulheiro-Santos Ossama Kodad Ales Vokurka Marc Lateur Felicidad Fernandez Fernandez Daniela Giovannini José Quero-GarcíaSammendrag
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Forfattere
Jorunn Børve Andrea Podavkova Juliana Perminow Arne Stensvand Stine Huseby Marianne Bøthun Rune VereideSammendrag
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Sammendrag
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Forfattere
Ulrike BayrSammendrag
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