Why are my tomato leaves turning yellow?

  • Initial signs of fusarium wilt are yellowing leaves and wilting along one side of the plant, a leaf, branch, or several branches. As the fungus spreads, more yellowing and wilting occurs with leaves dropping off prematurely (image: ag.purdue.edu).
    Initial signs of fusarium wilt are yellowing leaves and wilting along one side of the plant, a leaf, branch, or several branches. As the fungus spreads, more yellowing and wilting occurs with leaves dropping off prematurely (image: ag.purdue.edu).
    Gardeners, many of you have grown tomatoes at home and will understand my description of how homegrown tomato tastes. Homegrown tomato flavor is intensely rich and tangy, having a pleasant balance of sweetness to acidity, and where the fruit is juicy. It is my opinion the homegrown tomato flavor exceeds the ‘ho-hum’, bland tasting supermarket tomato which has a mealy (grainy) texture. Of co...

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