Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2016
Authors
Eldrid Lein MoltebergAbstract
No abstract has been registered
Authors
Rolf Nestby Ilian Badjakov I. Dincheva V. Kindakova R. BatchvarovaAbstract
In this study we present Our initial results on the assessment of Genetic diversity among Wild Bulgarian berry accessions (Rubus idaeus L. Fragaria vesca L. Vaccinium vitis-Idaea L. Vaccinium myrtillus L.)using Random Amplified Polymophic DNA (RAPDs) markers. Leaves and fruits were collected from two Natural habitats - the Balkan Mountain and the Mountain of Orpheus - Rhodope Mountain. All asseccions were screened for their polymorphism using five RAPD primers. The phylogenetic distance calculated from RAPD data ranged from0.29 to 0.82 thus indicating that a high Level of gene diversity is present in the selected genotypes. In order to characterize further the structure and grouping of berry accessions a dendrogram deriving from UPGMA cluster analysis based on the basic similarity (GS) coefficient Matrix was designed. RADP analysis provided to be efficient for discrimination of accessions within the same species With similar morphological characters.
Abstract
No abstract has been registered
Abstract
Large areas of cultivated grasslands have been abandoned in Norway and are no longer used for production. Knowing that access to spring and autumn pastures is a limiting factor for sheep farmers, this study aims at testing the effect of introducing abandoned farmland into sheep production. One sheep ock with 83(88) ewes (lambs) in 2014 and 77 (106) ewes (lambs) in 2015 was each year assigned to three treatments: (1) control; common farm procedure with a short spring grazing period before summer grazing on range pasture; (2) spring extended; a four-week extended spring grazing period on abandoned cultivated grassland before summer grazing on range pasture; (3) whole season grazing on abandoned cultivated grassland. Weight gain from spring to autumn, slaughter weight and carcass value were signicantly (P<0.05) higher in lambs assigned to treatment 2, with four weeks extended spring grazing period (255 g day-1, 15.7 kg, 699 NOK), compared to treatment 1 (229 g day-1, 14.3 kg, 615 NOK) and treatment 3 (206 g day-1, 13.2 kg, 548 NOK). !e use of abandoned cultivated grassland for extended spring grazing improved weight gain and slaughter weight, while whole season grazing on abandoned grassland was the least productive option tested.
Authors
John Christian Gaby Jeremy Frank Espen Govasmark Live Heldal Hagen Lisa Paruch Linn Solli Phillip Pope Svein Jarle HornAbstract
No abstract has been registered
Abstract
Due to more restrictive toxicological requirements and increased ecological awareness of consumers, wood preservatives containing harmful biocides are no longer desired on the market. Therefore, research on new environmentally friendly formulations is of great importance. One of the possible solutions is to develop new preservatives based on natural substances, which are harmless to humans, animals and the environment, while biologically active. The aim of the study was to develop new biocide-free preservative systems which increase wood resistance to wood-decaying fungi. The following silanes: [3-(2-Aminoethylamino)propyl]trimethoxysilane (AATMOS), (Aminopropyl)triethoxysilane (APTEOS), and (Aminopropyl)trimethoxysilane (APTMOS); caffeine, natural oils and potassium carbonate were chosen as components of new protective formulations, which were planned to be an alternative for traditionally used biocides. Samples of three different wood species (pine, spruce, and poplar) were treated with the new preservative systems and exposed to the brown-rot fungus Coniophora puteana and the white-rot fungus Coriolus versicolor according to EN-113 and EN-839 standards. The obtained results show that wood treated with the water-based formulation consisting of silanes and caffeine (2% caffeine + 5% AATMOS, 2% caffeine + 5% APTEOS) demonstrated the highest resistance to the test fungi. Wood mass loss after exposure to the decay fungi was 1%. All wood species treated with this formulation achieved index 1 (“very resistant”) within durability class acc. to the EN350 standard.
Authors
Lone RossAbstract
No abstract has been registered
Authors
Arild Gjertsen Grete K. Hovelsrud Ingrid Agathe Bay-Larsen Julia Olsen Celine ReboursAbstract
No abstract has been registered
Abstract
No abstract has been registered
Abstract
No abstract has been registered