Tests conducted in the Niagara and Georgian Bay fruit-growing areas for the past 3 years have indicated that pollen distributed from inserts placed at the entrances of honeybee colonies is effective as a means of cross-pollinating tree fruits. This technique is particularly useful in seasons when honeybee foraging activities are limited by unfavourable weather, or in plantings where a sufficient number of pollinator varieties for natural cross-pollination have not been provided.
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Townsend et al. (1958) studied this question.
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