Wilting Leaves on Hydroponic Tomato - Knowledgebase Question

Angelica, NY
Question by pstalker
March 23, 1998
I am growing tomatoes in a hydroponic nutrient solution. The plants were growing well under our fluorescent grow light when they suddenly started wilting. I removed affected leaves, and the plant stems seem a little stronger today. I thought wilts were transmitted by soil. We only have volcanic rock anchoring the plants.

Answer from NGA
March 23, 1998


You're right, wilt diseases are soil-borne, but wilting is a symptom of a number of environmental stresses, too, such as heat, insect attack, and lack of OR excess moisture. Roots that are waterlogged can't absorb moisture. Check to make sure the roots are adequately aerated, and also inspect leaves for aphids, whiteflies, or other pests.

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