Potato virus X infection of Netted Gem potato |
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Authors: | N. S. Wright |
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Affiliation: | 1. Agriculture Canada, Research Station, 6660 N.W. Marine Drive, V6T 1X2, Vancouver, British Columbia, Canada
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Abstract: | When Netted Gem potato plants were inoculated with potato virus X 7 to 31 days before defoliation the tubers were not uniformly infected. Testing of a single germinating eye chosen at random from each tuber detected fewer than half of the tubers from which stem-end, mid, or apical-end sections produced infected plants. The number of completely and partially infected tubers increased as the length of time between inoculation and defoliation was increased. Infection was not correlated with tuber size. Partially infected tubers produced equal numbers of infected plants from stem-end and apical-end sections. |
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