US: White flies enter greenhouse via poinsettia cuttings at two locations
In both cases they treated with imidacloprid and then ignored the plants through the Spring bedding plant season. The grower that introduced the plants in late March ended up applying Avid, Azatin, Azatin, BotaniGard, Sanmite, Safari, Distance, TriStar and finally, Kontos. He just obtained a reasonable control in early August since he applied the Kontos, but it took several weeks for the Kontos to really show an impact.
The second grower’s greenhouse operation treated plants May through August with wet sprays of Aria, Talus, Judo, 1% oil, Sanmite, NoFly, Endeavor, Marathon II, and Azatin. They were applying the foliar applications once a week. The whitefly population kept increasing. Two weeks ago they applied a Kontos drench. Since they applied the Kontos drench the newer foliage was pretty clean, but still found several viable 2nd and 3rd instars and a couple of adults with their mouthparts still inserted into the foliage and
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