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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 104223
Title Jarowisatie bij enige groente- en aanverwante gewassen
show extra info.
door W.A. Wiebosch
Author(s) Wiebosch, W.A.
Publisher Alkmaar : Henselmans
Publication year 1965
Description 129 p
Series title Mededeling / Proefstation voor de Groenteteelt in de Vollegrond in Nederland (30)
Notes Proefschrift Wageningen
Tutors Wellensiek, Prof. Dr. Ir. S.J.
Graduation date 1965-03-26
Dissertation no. 379
Author abstract show abstract
The influence of seed chilling on the flower and seed formation of some vegetable and related crops was studied. The seed was germinated and then cooled almost to 0°C so that it was still suited to mechanical sowing, a prerequisite if the technique were to be used in practice. This treatment was here called jarovization as introduced by Lysenko for wheat. The object was to bring certain spring-sown crops to flowering and sufficient seed production in the same year.

Jarovization was only partly successful. Most of the crops under investigation still required a period of plant vernalization to behave as an annual. With beet (Beta vulgaris L.), black radish (Raphanus sativus L. var. niger), swede turnip (Brassica napus L. napobrassica), Belgian endive (Cichorium intybus L. var. foliosum) and some other species the jarovized crop ran completely to seed when an untreated crop of the same cv. sown on the same date yielded at least 15 to 20 % early bolters.

The best sowing time for a full-grown seedcrop from jarovized seed was two, or, at most, three weeks later than from untreated seed.

Many species could not be vernalized sufficiently until the young plants reached a certain age (juvenile phase), if they were to form flowers in ensuing favourable conditions.

Online full textINTERNET
On paper FORUM ; STACKS ; NN08202,379
FORUM ; STACKS ; NN08200,0379
FORUM ; STACKS ; NN05712,30
Keyword(s) (cab) cultural methods / vegetables / vegetable growing
Categories Horticulture / Plant Production Systems
Publication type PhD thesis
Language Dutch; Flemish
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