Abstract
By isolating cankers and by bagging them during the appropriate seasons Cronartium ribicola Fisch. was found to be heterothallic. The flies Paracacoxenus guttatus Hardy & Wheeler and Megaselia (Aphiochaeta) spp. were particularly attracted to pycnia and were readily caught in sticky traps. It is postulated that these are the main insects responsible for cross-fertilization of Cronartium ribicola.
Publisher
Canadian Science Publishing
Cited by
16 articles.
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