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Library Catalogue

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    Union Catalogue of Agricultural Libraries in the Netherlands

    The WUR Library Catalogue contains bibliographic data on books and periodicals held by the libraries of Wageningen University and Research Centre and some 15 associated libraries. Holding data are added to each record.

    Subjects covered include Agrotechnology, Food and Food Production, Plant and Animal Sciences, Soil Science, Geo-information, Landscape and Spatial Planning, Water and Climate, Ecosystem Studies, Economics and Society.

    The joint collections of the participating libraries cover a substantial part of the internationally available scientific literature in these disciplines.

    As far as Dutch scientific literature in these fields is concerned, coverage can be considered near 100%, including much of the so-called "grey literature".

    All titles are entered in their original language. Keywords are added to facilitate subject searching.

    The database is updated every day and now contains over 830.000 records.

Record number 104659
Title Knopmutatie bij den aardappel : en hare beteekenis voor den landbouw
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door Jacobus Cornelis Dorst
Author(s) Dorst, J.C.
Publisher 's-Gravenhage : Martinus Nijhoff
Publication year 1924
Description 118 p.
Notes Ook versch. in Genetica 6(1924) p. 1-123  show all notes
Proefschrift Wageningen
Tutors Honing, Prof. Dr. J.A.
Graduation date 1924-05-13
Dissertation no. 9
Author abstract show abstract
Gradual deterioration during vegetative propagation had never been demonstrated in the potato but sudden changes which remain constant had repeatedly been described. However, erroneous conclusions might result from admixtures, modifications and diseases. A collection of bud mutations, mainly from the varieties Eigenheimer (18 items), and Roode Star (12 items), contained several morphological types as well as colour.

Experimental proof of bud mutations was by separate propagation from different sectors of chimeric plants. Thus, with blue/yellow chimeric tubers of Eigenheimer, eyes from the blue and yellow sectors gave plants with blue and yellow tubers, respectively. Similarly, tubers from normal and raspberry-leaf stems gave normal and raspberry-leaf plants, respectively. In total 7 bud mutations were studied in this way. Some of the bud mutations reverted.

No definite conclusions could be reached about the origin of bud mutations. Where the character was not transmitted through potato seeds, it was tentatively suggested that the subepidermal layer did not contain the mutation. Induction of adventitious buds in different layers may lead to a better understanding.

The importance was emphasized of clonal selection to remove bud mutations to maintain uniformity, and to propagate and test types of possible agricultural value.

Online full textINTERNET
On paper FORUM ; SPEC.COLL. ; A2096,1924,02
FORUM ; STACKS ; NN8202,09
Keyword(s) (cab) solanum tuberosum / potatoes / organelle mutations / mutations / buds
Categories Potatoes
Publication type PhD thesis
Language Dutch; Flemish
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