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.
2017
Forfattere
Inger Martinussen Anne Linn Hykkerud Ivan Paponov Mette Thomsen Eivind Uleberg Laura JaakolaSammendrag
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Forfattere
Ranjana Pathak A Sundaram Lance Cadle-Davidson Knut Asbjørn Solhaug Arne Stensvand Hans Ragnard Gislerød Aruppillai SuthaparanSammendrag
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Forfattere
Paul Eric AspholmSammendrag
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Sammendrag
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Forfattere
Laura Jaakola Laura Zoratti Lara Giongo Katja Karppinen Eivind Uleberg Inger Martinussen Hely HäggmanSammendrag
Anthocyanins are the main pigments in the Vaccinium berries. Besides contributing to the characteristic bluish to reddish colors of the berries, anthocyanins are also recognized as potential health beneficial compounds. The biosynthesis of anthocyanins is well understood and the key regulators have been characterized in many plant species. The final anthocyanin composition in ripe berries is regulated by developmental and environmental factors, determined by the genetic background. We have studied the role of different light and temperature conditions on the accumulation of anthocyanins in wild bilberry (V. myrtillus L.) and cultivated highbush blueberry (V. corymbosum L.), in controlled and in field experiments. These experiments include specific growth conditions with clones from northern and southern latitudes as well as from different altitudes. The results show speciesspecific interactions in quantitative and qualitative composition of anthocyanins as a response to light and temperature conditions. For instance, lower temperature and specific light wavelengths induced accumulation of delphinidin glycosides in bilberry.
Forfattere
Mekjell Meland Frank Maas Clive KaiserSammendrag
Tunnel production of sweet cherry results in higher yields of larger fruit than in the open. When cherry trees were grown under tunnels in Norway, fruit cracking was higher in a year when soils were saturated and when 20 ppm gibberellic acid was applied at straw color. In this study we evaluated the effect of soil moisture on fruit cracking under tunnels. In 2013, a trial on mature 'Sweetheart'/'Colt' trees growing under high tunnels was initiated. Each plot consisted of 8 trees, spaced 2×4 m apart with 'Lapins' as guard trees. Experimental design was a split-plot design with or without 20 ppm GA3 application at straw color; and three drip irrigation regimes (zero, deficit and full based on evapotranspiration). During the season, soil water content was monitored weekly. Due to unfavorable weather conditions during bloom time, crop loads were lower than normal. Average fruit sizes were large and GA3 application at yellow straw color resulted in small increases in average fruit diameter and fruit weight with all three irrigation treatments. Fruit cracking was very variable and occurred almost exclusively at the distal side of fruit and not on the stem side. GA3-treated fruit cracked slightly more than untreated fruit. There were no differences in fruit cracking due to irrigation scheme.
Sammendrag
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Forfattere
Frode VeggelandSammendrag
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Forfattere
Frode VeggelandSammendrag
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Forfattere
Frode VeggelandSammendrag
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