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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Record number 406323
Title Botrytis species on bulb crops
Author(s) Lorbeer, J.W.; Seyb, A.M.; Boer, M. de; Ende, J.E. van den
Source In: Botrytis: Biology, Pathology and Control / Elad, Y., Williamson, B., Tudzynski, P., Delen, N., Dordrecht : Springer Science + Business Media - ISBN 9781402026249 - p. 273 - 294.
Department(s) Flower Bulbs
Applied Plant Research/Plant Research International
Publication type Peer reviewed book chapter
Publication year 2007
Abstract Abstract. A number of Botrytis species are pathogens of bulb crops. Botrytis squamosa (teleomorph=Botrytotinia squamosa) causal agent of botrytis leaf blight and B. allii the causal agent of botrytis neck rotare two of the most important fungal diseases of onion. The taxonomics of several of the neck rotpathogens of onion have been revised on the basis of recent molecular sequence analysis studies. B. allii,B. aclada, and B. byssoidea are now recognized as distinct species causing neck rot diseases of onion. B.cinerea is also pathogenic on onion, primarily causing botrytis brown stain on onion bulbs. B. tulipae, B.elliptica, and B. gladiolorum are important pathogens of flower bulbs and are the causal agents of leafblight in tulip, lily, and gladiolus, respectively. Leaf blight in the major flower bulb crops is called ‘fire’referring to the fire-like symptoms occurring on the leaves of flower bulb plants when epidemics occur inproduction fields. In both the onion and flower bulb production systems chemicals are still heavily reliedupon to control the major diseases, however, alternative disease management systems also are used andundoubtedly will become increasingly important in controlling the diseases. Infected plants and colonizedplant debris are considered important sources of inoculum for B. squamosa, B. tulipae, and B. elliptica,particularly when sclerotia are formed. Sclerotia of B. squamosa serve as the source of conidia, as well asapothecia producing ascospores, in onion production areas in New York. The primary inoculum sourcesof B. allii and B. gladiolorum are believed to be infested seed and infected corms, respectively.
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