I potted up 6 tomato seedlings that were about 5 weeks old. One of plants was about 4 weeks old. All were potted up in the same potting soil, same organic fertlizers and drenched with RootShield to prevent damping off. I monitored and watered the plants at the same time for one week. After a week, the younger plant’s green leaves began to wilt. The stem is straight up, but the leaves are wilted and falling off. The base of the stem of plant looks healthy. It is well watered and I water when dry. I do a weekly foliar spraying of a seaweed/fish emulsion (Neptune). All plants are under lights in my hobby room. The days are warm and the floor to ceiling windows are open wide for the breeze that runs through the room. The other plants, (cabbage, cauliflower, brussel sprounts) and the other 5 tomato plants are doing well. This is second tomato plant in 3 months that this has happened to. What am I doing wrong? Thanks for your help.
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