Last week, I posted an updated IPM plan for Mandevilla that balances Thrips parvispinus (“Parvi”) control while taking into consideration other pests, as well as costs. The last post covered propagation in detail, including biocontrols and chemicals.
This week I’ll be going over the best way to balance control of Thrips parvispinus (“Parvi”) and two-spotted spider mite (TSSM) in production. I’ll provide a working Parvi spray program that gives you high-quality plants by sale, but also makes sure spider mites don’t walk away with your crop (or your wallet!).
Continue reading “Controlling Parvispinus, Oleander Aphid and Spider Mites in Mandevilla: Part 2 – Spider Mite Resistance Management.”
Weekly-mum producers have seen higher-than-normal spider mite levels coming in on cuttings from the U.S. recently. This might impact seasonal potted-mum growers as well.