Ron you will know that you have some roots when your plants start making some active growth. In 10 days or so you can also SLIGHTLY try to pull the start. If it lifts out easily, then there are no roots. If there is resistance then it is safe to say that they have put out roots. Do not pull too hard because you do not want to tear the roots that you have so painstakingly worked to develop. Once you have determined that they have rooted you can acclimate them to stronger light.
Your lighting system sounds ingenious.
When you find open pollinated tomatoes that you like, save yourself some seeds for future grow outs. Your Tasty Tom is a hybrid so you either have to order seed or start from laterals. It will not come true from seed. Also be aware that there is a Abraham Lincoln tomato and an Abe Lincoln tomato. The two of them taste different. But most likely the flavor is off due to the issues that you have had going on in your greenhouse.
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~ Patti ~
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