About 3 rows out from hedge all bassicas are being cut off at ground level, I think it might be cutworm, but the plants are feft lying there and are not being eaten. Would cardboard circular cutouts at ground level stop this mayhem ?
If it is cutworm, which seems likely, you will find them at the stem just below soil level and simply remove them. They do not venture on the surface as it is too dangerous.
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