Co-Authors:
Retig, N., Faculty of Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel
Lisker, N., Faculty of Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel
Abstract:
Activities of polygalacturonase, pectin lyase, and cellulase increased in susceptible, catechol-treated, and resistant tomato plants, after inoculation with Fusarium oxysporum f. lycopersici (Sacc.) Snyder and Hansen race 2. The catechol-treated and the resistant plants remained symptomless, while susceptible plants developed symptoms of disease. It is therefore suggested that increased activity of cell-wall-degrading enzymes in inoculated plants does not necessarily cause the development of disease symptoms. © 1975 Springer Science + Business Media B.V.
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