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 423486
Title Variability of tobacco mosaic virus in relation to control of tomato mosaic in glasshouse tomato crops by resistance breeding and cross protection
Author(s) Rast, A.T.B.
Source Landbouwhogeschool Wageningen. Promotor(en): J.P.H. van der Want. - Wageningen : Pudoc - ISBN 9789022005590 - 76
Department(s) Wageningen University
Publication type Dissertation, internally prepared
Publication year 1975
Keyword(s) plantenziekten - plantenvirussen - solanum lycopersicum - tomaten - plantenveredeling - plant diseases - plant viruses - solanum lycopersicum - tomatoes - plant breeding
Categories Plant Viruses / Resistance Breeding

Various strains of TMV occur in susceptible crops of tomato. This variability is of importance to resistance breeding and to cross protection as alternative methods of control. Strains of TMV differ in the kind of symptoms expressed and in the extent of the host range. Symptom variation allows for the distinction of eight strains of which the tomato strain is the most important. On a host range including Solanum pennellii, Lycopersicon esculentum CStMW-18 and L.peruvianum four strains are differentiated which correspond with Pelham's Strains 0, 1, 2 and 2 a. Strains of TMV also differ as to longevity in vitro. The prevailing Strain 0 and Strain 1 an more persistent than Strain 2. The instability shown by Strain 2 aduring isolation suggests that in practice it may not easily overcome the resistance of the gene Tm-2 a. The symptomless nitrous acid mutant MII-16 which is discussed in relation to cross protection is also less persistent than its parent tomato strain. This necessitated a careful preparation of the inocula for commercial use.

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