Q.Lettuce Plant Problem
The center/rib part is browning and holey. What is the problem that is causing this?
Certified GKH Gardening Expert
This can be a soil pH issue, but it resembles overwatering damage, more. Saturated soils can prevent plants from completing important cycles. Treating with fungicides would be ineffective, so you may want to solarize the soil in between crops.
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