Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Zonnebloemzaad beter benut met milde persing
    Karefyllakis, D. - \ 2019
    biobased economy - sunflower seeds - sunflower oil - foods - phenols - proteins
    Ethiopian soya bean and sunflower value chains : Opportunities and challenges
    Wijnands, J.H.M. ; Dufera Gurmesa, N. ; Lute, J.C.M. ; Loo, E.N. van - \ 2011
    The Hague : LEI, part of Wageningen UR (Report / LEI Wageningen UR 2011-016) - ISBN 9789086155057 - 128
    zonnebloemzaden - zonnebloemolie - sojabonen - sojaolie - economische haalbaarheid - economische analyse - agro-industriële ketens - agronomische kenmerken - ethiopië - sunflower seeds - sunflower oil - soyabeans - soyabean oil - economic viability - economic analysis - agro-industrial chains - agronomic characteristics - ethiopia
    This report analyses the business opportunities of soya beans and sunflowers. The opportunities are addressed to firms in all levels of the value chain ranging from consumers to farmers in the Ethiopian agriculture.
    Verslag van een studiereis naar de bijdrage van krachtvoergrondstoffen en grasproducten aan de eiwitvoorziening van biologische biggen
    Jongbloed, A.W. ; Peet-Schwering, C.M.C. van der - \ 2009
    Lelystad : Animal Sciences Group, Wageningen UR (Rapport / Animal Sciences Group 233) - 15
    biologische landbouw - varkenshouderij - varkensvoeding - biggen - biggenvoeding - biologische productie - methionine - lysine - zonnebloemzaden - raapzaad - organic farming - pig farming - pig feeding - piglets - piglet feeding - biological production - methionine - lysine - sunflower seeds - rapeseed
    Competitive and suitable protein-rich organically-grown raw materials for piglets are scarce. Therefore, an inventory on this aspect was undertaken during a study trip to several countries. Processing of rape seed and sunflower seed seems to be most promising because of their high ratio of digestible methionine to digestible lysine
    Genetic differences in seed longevity of various Arabidopsis mutants
    Clerkx, E.J.M. ; Vries, M.H.C. de; Ruijs, G.J. ; Groot, S.P.C. ; Koornneef, M. - \ 2004
    Physiologia Plantarum 121 (2004)3. - ISSN 0031-9317 - p. 448 - 461.
    thaliana l heynh - desiccation tolerance - abscisic-acid - superoxide-dismutase - sunflower seeds - glutathione-deficient - lipid-peroxidation - oxidative damage - moisture-content - germination
    Seeds gradually lose their viability during dry storage. The damage that occurs at the biochemical level can alter the seed physiological status and is affected by the storage conditions of the seeds. Although these environmental conditions controlling loss of viability have been investigated frequently, little information is available on the genetics of seed longevity. Using Arabidopsis mutants in defined developmental or biochemical pathways such as those affected in seed coat composition, seed dormancy, hormone function and control of oxidative stress, we tried to gain insight into the genes and mechanisms controlling viability of stored seeds. Mutations like abscisic acid insensitive3 (abi3) as well as abscisic acid deficient1 (aba1) show reduced longevity, which may be partially related to the seed dormancy phenotype of these mutants. Mutants with seed coat alterations, especially aberrant tests shape (ats), showed a stronger reduction in germination percentage after storage, indicating the importance of a 'functional' seed coat for seed longevity. A specific emphasis was placed on mutants affected in dealing with Reactive Oxygen Species (ROS). Because several pathways are involved in protection against ROS and because gene redundancy is a common feature in Arabidopsis, 'double' mutants were generated. These 'double' mutants and the corresponding single mutants were subjected to a controlled deterioration test (CDT) and a germination assay on hydrogen peroxide (H2O2) after prolonged storage at two relative humidities. CDT and germination on H2O2 affected all genotypes, although it appears that other effects like genetic background are more important than the deficiencies in the ROS scavenging pathway. Explanations for this limited effect of mutations affecting ROS scavenging are discussed
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