Library Catalogue

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 104539
Title Biologie en bestrijding van Urocystis gladiolicola Ainsw. op gladiolen
show extra info.
door Pieter Klaas Schenk
Author(s) Schenk, P.K.
Publisher Wageningen : Veenman
Publication year 1961
Description 104 p ill
Series title Publicatie / Laboratorium voor Bloembollenonderzoek, Lisse (149)
Notes Ook versch. in Tijdschrift over Planteziekten 67(1961)5  show all notes
Proefschrift Wageningen
Tutors Want, Prof. Dr. Ir. J.P.H. van der
Graduation date 1961-10-13
Dissertation no. 310
Author abstract show abstract
Symptoms, method of infection, course of the disease, influence of environment and the control of smut in Gladiolus were described. In the first year (S1) spores adhering to scales of corms and cormels or present in the soil caused infection, generally without conspicuous symptoms. The optimum soil temperature for infection was 20°C, the maximum about 24° and the minimum below 12°. Latent mycelium could be seen microscopically in the flesh of lifted corms with or without macroscopically visible symptoms (sori).

During storage at 13°-20° (in S1B) the mycelium. grew slowly to the top of the corm.

In the second year (S2) symptoms appeared in parts above soil, only if the soil was cooler than about 20° and the mycelium reached the apical buds in time. At 24° the mycelium remained latent in the corms giving rise to apparently healthy plants. At 28° the fungus in the mother corm was inactivated and offspring was completely free of pathogen. A dip in an organic Hg fungicide before planting killed smut spores present in or on the corm's scales. Mycelium in the corm's flesh was killed in hot water (30-60 min at 47°), by prolonged soaking or anaerobic treatment or by dry storage at 34° for several weeks. Complete control in corms could thus be obtained by combining treatment with hot water and disinfection before planting.

Dry spores survived 30 min. at 60° but were killed after soaking in water at 53°C. As cormels could stand more heat than corms, 24-h soaking in water followed by hot-water treatment for 30 min. at 53° or 55° gave complete control.

Online full textINTERNET
On paper FORUM ; STACKS ; 524F32
FORUM ; STACKS ; NN08202,310
Keyword(s) (cab) iridaceae / ornamental plants / plant diseases / plant pests / plant protection / plant pathology / plant disorders
Categories Liliales
Publication type PhD thesis
Language Dutch; Flemish
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