Thrips, Mites and Acephate Peanut Notes No. 112 2022
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I have some heavy thrip pressure in some places and wanted to spray when I sprayed my clethodim. I would like to use acephate but it is so dry we are scared of flaring up spider mites. Any suggestions?
I’ve copied Rick. One thing is to make sure you have active thrips and you are not treating the damage (caused earlier but the thrips crashed.) Peanuts are growing quickly now and might out grow the damage, but you are dry. If you could send us an image we might be able to help on the decision. With that said, acephate is the best and softest thing we have, but I understand the mite concern in your area of the county.
Acephate is typically not associated with flaring mites but I certainly understand your concern. I am concerned that this year could be a big year for mites and we want to do everything possible to minimize that threat. You are in a bit of a bind in that the dry conditions favor mites and the dry conditions make it more difficult for the peanuts to outgrow the thrips feeding. Here is one thing I have learned over the years, peanuts before they begin to flower typically are not a real good host for mites, in other words it is hard to get a mite outbreak on peanuts prior to flowering. So smaller peanuts are not as much at risk. It is hard for me to give you a definitive answer, but as David said, a few photos might help. Of course, rain would help the most with both concerns.
Based on what I see I would apply 8 oz acephate as soon as you can. Was one of the twins not delivering?
That’s right, line leak and it wasn’t getting In the furrow. Thanks for your help. (Grower had indicated that a line delivering Admire Pro was not working on one of the twins.)