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  • Author or Editor: Gerdien Booy x
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Seedlings of 35 cucumber (Cucumis sativus L.) lines were evaluated for resistance to damping-off caused by Rhizoctonia solani Kuhn. Five variables were measured, with the corrected disease rating (a rating for disease severity including a correction for seed vigor) being the most useful. Differences in resistance occurred among the lines, with ratings varying from 1.5 to 5.9 on a 0 (no disease) to 9 (plant dead) scale. The ratings for damping-off resistance were compared with ratings collected previously for rhizoctonia fruit rot resistance. The correlations were low and nonsignificant (r = −0.19 to −0.10). Thus, the damping-off test would not be a good substitute for the fruit rot test.

Open Access