I have been battling thrips every year for the last 3. Problem is, the adult thrips like to hide in the tomato blossoms and insect sprays dont work on them. They are easy to kill in the larval stage with beneficial nematodes as a soil drench but they reproduce fast and beneficial nematodes dont get them all. I also find green lacewings help too. But I have not found any method that eliminates them and they cause a lot of headache. Almost to the point I was going to completely give up.
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