Nothing to worry about - it's just one of those things. It won't affect the plant or the harvest. As the leaves age they become less efficient at photosynthesis so the plant starts to feed them less and the newer (more efficient) leaves more. Over time those leaves will start to yellow - at which point you can cut them off.
Billericay - Essex
Knowledge is knowing that a tomato is a fruit. Wisdom is not putting it in a fruit salad.
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It won't affect the plant or the harvest.
As the leaves age they become less efficient at photosynthesis so the plant starts to feed them less and the newer (more efficient) leaves more.
Over time those leaves will start to yellow - at which point you can cut them off.
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.