Yellow Leaves On Vegetables - Knowledgebase Question

Warrior, AL
Avatar for Lugrwier
Question by Lugrwier
June 26, 1998
The bottom leaves on my bell pepper and eggplants are turning yellow and dropping off. Is this a disease or could it be a symptom of too much or too little water? The entire area is mulched with newspaper and pine bark. Also,
The pepper leaves are beginning to get a few brown spots and some blossom end rot.

Answer from NGA
June 26, 1998
Both too much or too little water could cause the older leaves to yellow. The fact that blossom end rot is also occurring this late in the season is a pretty good indicator that water problems are involved.

Low nitrogen can also cause older leaves to yellow. If a disease were involved, I would expect to see quite a few leaf spots developing before the leaves yellow and drop.

Bacterial diseases are more often a problem than are fungal diseases on peppers in the south. The spots from a bacterial infection tend to be angular while fungal spots tend to be rounder with a yellow halo around them.

Your mulching practices are a great idea. Try to keep water levels more even. Not too soggy or too dry. For bacterial spots, the lowest toxicity solution for peppers is probably a copper based spray.

Good luck with your peppers!

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