Co-Authors:
Lovrekovich, L., Research Institute for Plant Protection, Budapest, Hungary
Klement, Z., Research Institute for Plant Protection, Budapest, Hungary
Farkas, G.L., Research Institute for Plant Protection, Budapest, Hungary
Abstract:
IN the host tissues infected by various plant pathogens, including viruses, bacteria and fungi, as a rule starch accumulates around the infection area 1-3. By contrast, the toxin-induced chlorotic halo formed in White Burley tobacco leaves infected by Pseudomonas tabaci (Wolf and Foster) Stevens fails to show any starch reaction (Fig. 1). The low starch content of the affected area was also shown by quantitative chemical determination4 (Table 1). The assays were made 7 days after needle inoculation. © 1963 Nature Publishing Group.
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