H oney bees are accurately described as indispensable pollinators. In the United States alone, the worth of honey bee pollination is estimated at $15 billion. In this publication, commercial growers who rent honey bees for pollination and beekeepers who provide pollination services will find information on honey bee colony strength evaluation, average… (More)
The hepatotoxic alkaloids known to occur in tansy ragwort (Senecio jacobaea L.) are also present in honey produced from the nectar of this species. These alkaloids, which inclued senecionine, seneciphylline, jacoline, jaconine, jacobine, and jacozine, are potentially carcinogenic, mutagenic, and teratogenic and may pose health hazards to the human consumer.