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 525761
Title Diagnosis of sharka (plum pox) and host range of its inciting virus
Author(s) Oosten, H.J. van
Source Wageningen University. Promotor(en): J.P.H. van der Want. - Wageningen : Pudoc - ISBN 9789022004555 - 102
Publication type Dissertation, internally prepared
Publication year 1973
Keyword(s) plantenziekten - plantenvirussen - pruimen - pruimedanten - prunus domestica - plant diseases - plant viruses - plums - prunes - prunus domestica
Categories Plant Viruses
Diagnosis of sharka could be improved by distinguishing specific and unspecific symptoms. Two types of discoloration (broad red bands and thin red rings and lines) were specific, whereas the grooves and pits were not. Light and electron microscopy revealed the presence of nuclear and cytoplasmic inclusions in infected tissues. The cytoplasmic inclusions (bundles of needles) in plum fruits were reliable for diagnosis.

From the known herbaceous test plants Chenopodium foetidum and Nicotiana clevelandii, only C. foetidum was useful for diagnosis. Ranunculus arvensis and Nicandra physaloides were presented as possible new test plants.

Sixty herbaceous plant species were described as host of sharka virus. Some common weeds became systemically infected upon inoculation and may play a role in epidemiology of the virus.

Purified sharka virus was used to prepare antisera. Some properties of the virus were described.

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