Re: Can they be saved?
Get them out of the sun. Put them in airy shade but don't give fertilizer at this time. They are undergoing stress and you will stress them more by giving fertilizer. Water them once and let the soil dry until about an inch of top soil is dry before watering again. The temperature must be at 70 to 85 degrees on the shade if not keep them indoors.
Fertilize only when you see new growth or new leaves sprouting. As Bucko said prune all the brown leaves. it is better to cut half of the leaves so the roots can supply nutrients to what is left thus invigorate new growth.
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Banana Nut
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