The Trouble With Talc
Emily Unglesbee DTN Staff Reporter
Tue Mar 17, 2015 12:22 PM CDT

Planting can be dusty work, but a little housekeeping is in order to protect pollinators this spring. The continued use of insecticidal seed treatments may depend on it.

The problem is planting lubricants such as talc can mix with minute amounts of the insecticides contained within seed treatments. Bees come into the bargain when contaminated dust blows out of the planter and lands on a flowering plant. Foraging bees carry the contaminated pollen back to the hive.

This may seem a small and potentially obscure sequence of events, but the seed treatment/talc relationship has fueled a movement that threatens use ...

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