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
Sammendrag
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Sammendrag
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Forfattere
Darius Kviklys V. Abukauskas Mekjell Meland Walter Guerra I. Høller Nicola Dalabetta T. Pantezzi J. Carbo J. Lordan A. Karlstrøm Filicidad Fernandez Fernandez M. Bruggenwirth L. Lanar M. Meszaros T Ruhmer S Perren S Cia S Codarin V. Mathieu F. Bernard P Bielicki L Manfrini L Corelli Grapadelli Ann Gomand Jef VercammenSammendrag
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Sammendrag
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Forfattere
Anna Avetisyan M. Hokhanyan Kristina Herdt leidulf Lund Anne Linn Hykkerud Laura Jaakola Inger MartinussenSammendrag
Organic agriculture is acquiring increased attention in Armenia with numerous projects and initiatives prioritizing production of ecologically clean agricultural products. Application of organic fertilizers is one of the key factors supporting sustainable organic production of fruits and vegetables, which requires knowledge of fertilization regimes adapted to crop types for achieving optimum productivity. The present study evaluates the effect of the organic fertilizer “Bioklad” (Bioklad Ltd.) on growth and development of strawberry plantlets. Three concentrations of the organic fertilizer, 1:400, 1:200 and 1:100 dilutions of the concentrate were tested. Plantlets of the cultivar ‘Sonata’ were grown for nine weeks in pots under controlled conditions in a phytotron. Yield, biomass and total phenolic content were not significantly different between Bioklad application treatments. Nevertheless, the Bioklad at the intermediate dilution 1:200 was most optimal for strawberry growth. The analysis of chemical composition of leaves indicated that nitrogen content was higher in plants grown at the lowest dilution (1:100) of Bioklad. In addition, plantlets had the lowest phenolic content at this treatment. Based on the presented results of Bioklad’s effect on strawberry plantlets growth, cost/value insight of this organic fertilizer has been estimated.
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Sammendrag
It is not known to what degree growth and fruit yield are source-limited in everbearing strawberry plants. The growth and yield performance effect of bi-weekly removal of all runners and/or one or two leaves during the cropping season of tunnel-grown ‘Favori’ everbearing strawberry plants was determined. Plants were grown on a table-top system in an open plastic tunnel under natural light conditions in Norway from May to October. Removal of runners and leaves was bi-weekly from 5 June until 25 September. Fruits were harvested from 5 July to 7 October. Bi-weekly runner removal increased total and marketable yield and number and size of fruits, while increasing leaf thinning had the opposite effects. However, none of the treatments affected the fruit number and yield of the first fruiting flush. The treatments did not affect realization of the yield potential of the plants at planting, whereas the continued floral initiation and fruit growth were enhanced by runner removal. Increasing leaf thinning had the opposite effects. Both floral initiation and fruit growth in heavily flowering and fruiting everbearing strawberry are source-limited owing to the high fruit/leaf ratio of such plants.
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