Why does your Tomato Yellow TI 169 F1 have yellow leaves? Diagnose the cause and fix it with our step-by-step guide.
The older, lower leaves of the tomato plant turn pale yellow first as the plant relocates nitrogen to newer growth. This is common in heavy-feeding cherry tomato varieties during peak vegetative stages.
Excessive moisture in the root zone deprives tomato roots of oxygen, leading to chlorosis (yellowing) and eventual wilting. Cherry tomatoes are particularly sensitive to 'wet feet' which can trigger early leaf senescence.
This viral pathogen causes upward curling of leaves and distinct yellowing along the margins. It is specifically transmitted by whiteflies and can devastate F1 hybrid tomato yields.
Interveinal chlorosis, where the veins remain green but the tissue between them turns yellow, is a classic sign of magnesium deficiency in tomatoes. This often manifests on older leaves during high-growth periods.
Your plant might also be experiencing one of these issues:
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