MIMedGrower
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What did your roots look like mimed, do you have pictures of the infestation? I'm really interested in how the plants presented themselves, (leaves, symptoms) and what the root sites looked like, was it widespread? were they swarming up top, was there other substances that were hallmarks?
I know I'm probably going to deal with it eventually, and I've seen a few suspect bugs hanging out on the balcony that might be considered potential problems. I do a bit of recycling of soil, and I have an ongoing worm casing bin. Here's how my root balls looked form some of the last ones, and they pots afterwards.
See anything that stands out?
I had many fliers i misdiagnosed as fungus gnats for a while. I wouldnt miss them again. Longer wings short body.
But i never saw any evidence in the rootballs. I saw the little .5mm little white bugs crawling on the edge of the black nursery pots. That was my only identification other than the fliers. I did not see so much waxy white stuff like the link i posted shows. But i learned that the white gook protects them from the pesticides.
You can look back a year in my thread and see many deficiencies and yellow plants. I thought it was grower error but it was the bugs eating the nutrients right out of the roots. Mostly always is described online and in my experience as a climbing mag deficiency with calcium spots as well. I wonder how many excessive cal mag users have them?
Talking with @Dirtbag we think because i am always introducing new clean plants and constantly harvesting the infested ones the system kept the root aphids down in numbers. I think thats why i had fliers before tons of crawlers. I only ever saw one or two before the heat wave early summer. Then they started growing in numbers. Thats when i shut down.
They are truly an invisible predator. For the first 2/3 of the infestation. You have to identify the mystery deficiency.
Sad to say. Many growers do not defeat these things. I even threw out or harvested all the plants and left the room clean and empty a month and cleaned again. They lay winter eggs that give birth to a live female even 6 months later. And they lay them in the walls. Sneaky.
And they hide under the root ball and insode deep to avoid contact with the fungucides and pesticides.