Auteur J. Free
Documents disponibles écrits par cet auteur (10)
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article/chapitre/communication
article/chapitre/communication
J. Free | 1962The fruit set on plum trees decreased greatly with increase in distance from pollinizer trees, and less so with increase in distance from honey-bee colonies. Trees adjacent to pollinizers had a greater set on the sides facing the pollinizers tha[...]
article/chapitre/communication
J. Free | 1963The flower constancy of honeybees on successive days has been studied by removing and identifying pollen collected by marked pollen-gatherers. Removing pollen from the bees decreased their tendency to collect it later; chilling the bees before m[...]
