Caregiverken, real glad to hear you are on top of your pests! I learned a lot reading through you thread this summer; it inspired me to make this one.
I'm spending a lot of time with a scope in our g-house. The first sulphur treatment seems about 70% effective, going to keep up with that method and integrate some other options as well within the next couple of days. These critters are depressing, but hearing that others have had success is very encouraging.
We're only in the beginning of our battle here, but our friend who loaned us the sulphur burners completely (or so he says) eradicated them by doing the burn every night for a couple of weeks. Apparently he did this last year too, for other reasons, right up until a week before harvest, with no taste issues. I haven't confirmed this myself, but I have known this person for fifteen years and they care very much about the quality of their herb. I have read that some russet mites are not as affected by this technique, but so far we seem to be having luck. The person in town who spread these around is swearing by rosemary oil too, although I can't see how that could be used durng flowering.
Our greenhouse is very full and many of the plants are 10-12" tall, so spraying and other by-hand applications will be incredibly time consuming and perhaps impossible to be thorough with. We're going to give it our all, however, and we are fairly early in catching it, there is almost no visible damage, although I can find mites on healthy buds and leaves already. The plants that are way worse in the next door greenhouse seem to have way less mites on them, it is as if they ate everything and moved on to ours! We have a lot, lot more to lose and thankfully our neighbor has been very helpful with information and helping us with our situation. Updates to follow...
