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Israel Journal of Plant Sciences
Lahkim, L.T., Agricultural Research Organization, Gilat Experiment Station, Negev, 85280, Israel
Nachmias, A., Agricultural Research Organization, Gilat Experiment Station, Negev, 85280, Israel
Reciprocal (susceptible/resistant) grafting experiments were used to determine whether the root is the major site of resistance to Verticillium wilt disease in tomato and tolerance in potato. Increased resistance/tolerance was seen in both species when the resistant cultivar served as rootstock. In potato, however, stem-dipping experiments indicated that tolerance was independent of the root. In experiments designed to determine whether a major gene plays a role in Verticillium wilt tolerance in potato, tomato races 1 and 2 of V. dahliae did not show differential pathogenicity on tolerant potato cultivars inoculated by the root-dip method. The results indicate that the root system plays an important role in the defense mechanisms to Verticillium wilt both in tomato and potato. © 1995 Taylor & Francis Group, LLC.
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הספר "אוצר וולקני"
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תנאי שימוש
Significance of the Root System in Verticillium Wilt Tolerance in Potato and Resistance in Tomato
43
Lahkim, L.T., Agricultural Research Organization, Gilat Experiment Station, Negev, 85280, Israel
Nachmias, A., Agricultural Research Organization, Gilat Experiment Station, Negev, 85280, Israel
Significance of the Root System in Verticillium Wilt Tolerance in Potato and Resistance in Tomato
Reciprocal (susceptible/resistant) grafting experiments were used to determine whether the root is the major site of resistance to Verticillium wilt disease in tomato and tolerance in potato. Increased resistance/tolerance was seen in both species when the resistant cultivar served as rootstock. In potato, however, stem-dipping experiments indicated that tolerance was independent of the root. In experiments designed to determine whether a major gene plays a role in Verticillium wilt tolerance in potato, tomato races 1 and 2 of V. dahliae did not show differential pathogenicity on tolerant potato cultivars inoculated by the root-dip method. The results indicate that the root system plays an important role in the defense mechanisms to Verticillium wilt both in tomato and potato. © 1995 Taylor & Francis Group, LLC.
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