When Thrips parvispinus first came on the scene in Ontario, our one goal was to knock back this pest any way we could. Four years later, we are suffering the effects of an all-chemical program. This includes high costs, along with insecticide resistance developing in two-spotted spider mite, which used to be managed biologically before Parvipsinus came along.
Based on OMAFA’s work with commercial farms, along with input from technical reps from biocontrol companies, we’ve come up with a more refined IPM program for Mandevilla that balances Parvispinus control while taking into consideration other pests, as well as costs.
I’ll be going over this program in detail over a 3 part series, so buckle up!
Continue reading “How To Manage Parvispinus, Oleander Aphid and Spider Mites Effectively in Mandevilla: Part 1 – Propagation.”
