While HopGuard and HopGuard II are safe and effective, the varro mites eventually will become immune to them and a new miticide
must be developed, Harris said.
is safe on plants and shows a good margin of safety to beneficial insects and predatory mites.
Beekeepers had an effective treatment, in the form of a plastic strip coated with one of two miticides
that is placed in hives when the bees are dormant.
Since then no miticide
applications have been necessary.
The mites were placed into glass scintillation vials (20 mL) containing honey bee larvae as a food source before miticide
A highly effective and fairly expensive miticide
applied by some Lodi growers is Acramite 5OWS.
Tests showed that mite-infested ferns had one-fourth the growth of plants sprayed with a miticide
. Says Goolsby, "We're running the study for 2 years so we can examine the long-term effects of the mite on the fern."
This has become more important, because registration changes have made kelthane, the most commonly used miticide
, difficult to find.
Phytotoxicity to tropical foliage plants of repeated insecticide and miticide
applications under fiberglass-covered greenhouse conditions.
Products: Ornamental horticulture, contact Christopher Buchheit (firstname.lastname@example.org); specialty agriculture, contact Scott Raubenstine (email@example.com); Agrocote; Agriform and Osmocote controiled-release specialty crop fertilizers; Peters Professional water-soluble fertilizers; Banrot, AIIBan, TruBan, Zyban fungicides; Rout, Jewel, Gemini and OH2 pre-emergent herbicides; Sanmite miticide
; Ovation ovicide Ad/PR agency: Swanson Russell
If we see mites as a potential threat, we check the field and depending on the number of them per leaf we know if we need to use a miticide