Yep, this set up is very cheap (I think the mega-light was only about $18), but it's only suitable for a tiny grow of about 1 foot diameter. Except for the center, right under the light-- I think the reason the seedlings directly under the light are smaller and struggling a little is because they're getting way too much light. Am trying to figure out where to set up your hanging lights, am deciding between shelves of a bookcase, or another coatrack set up. Will be interesting to compare growth under those lights to these.600-1100 is plenty for vegetative growth for almost everything I've ever grown.
Thanks for the encouragement! My plan is to gradually cull them until there are only 3 or so plants per pot, and then transplant all but one out. But am still a little paranoid based on my bad results last time so will wait a couple of days to make sure these survive. Then I'll start culling, which will break my heart... but at this point I don't have the time or infrastructure to raise 100 plants. I'd like to have about one of each variety for seed, and one or two of each variety for the leaves. A couple of months ago I had grand plans to plant many of them outdoors, but weather here in Florida is still only in the 60s during the day and down to low 40s at night. So this time will likely just raise them in large pots, and maybe, if I'm lucky, put one or two in the ground just to see what happens.At the size shown in your pics you should be transferring the seedlings into individual pots before the roots get much bigger, unless you are just going to thin these to one seedling per pot.
Every variety acts a little differently in the early stages, but I've found they all eventually take off and catch up to each other. Your babies all look pretty healthy to me.
The seedlings look nice. They look ready to take off once you separate or cull to one plant per pot.Day 27:
I've leveled up considerably due to a gift from a loved one who said she's grown tired of seeing my study turn into a gypsy camp of some kind, with several parallel bar-type coat hangers crowding around the room, from which I've dangled various lamp-covered bulbs, illuminating my numerous pots resting on random tables and stools. Got two beautiful Vipar lensed lights which have gotten rave reviews on YouTube, which I've suspended from a new 5-tier steel shelving unit. After strategically suspending all my lights from the shelving unit, it's going to look great and much neater and more compact.
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As for the plants themselves, they are developing nicely, with the rankings of comparative development switching around: the Rustica used to be the largest seedlings, but now one pot of the Virginia Brightleaf have gotten HUGE:
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The Rustica:
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The Yellow Twist Bud:
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The Yellow Orinoco (cat knocked over the Solo cup, but I was able to dig the seedlings back out somewhat):
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I believe I will have to either cull or transplant some of the Virginia Brightleaf and Rustica, they are becoming too crowded.
Will do. I have taken some PAR measurements and found that the glowing YouTube results for the Vipar are specifically from inside a tent, and without the tent I'm getting maybe 60% or 70% the coverage area as it would be getting inside a reflective grow tent. But still not bad at all. I think I may attempt makeshift reflective walls, by gluing some aluminum foil to cardboard and attaching it to the sides and back of the shelving unit near the lights.Nice light! Please give us a review in a week or so of use.. Glad your babies are doing well.
Use white styrofoam panels. Mylar and aluminum foil reflect like mirrors: they reflect dark spots, too. White styrofoam reflects like snow. Ever hear of snow blindness? I actually got it once with a 175W metal halide fixture in a grow chamber lined with styrofoam- hurt just to look at it. Much brighter, much better.Will do. I have taken some PAR measurements and found that the glowing YouTube results for the Vipar are specifically from inside a tent, and without the tent I'm getting maybe 60% or 70% the coverage area as it would be getting inside a reflective grow tent. But still not bad at all. I think I may attempt makeshift reflective walls, by gluing some aluminum foil to cardboard and attaching it to the sides and back of the shelving unit near the lights.
Very interesting concept! And worthy of an experiment, I think. Especially because I just happen to have large pieces of Styrofoam lying around because we just got a new kitchen appliance.Use white styrofoam panels. Mylar and aluminum foil reflect like mirrors: they reflect dark spots, too. White styrofoam reflects like snow. Ever hear of snow blindness? I actually got it once with a 175W metal halide fixture in a grow chamber lined with styrofoam- hurt just to look at it. Much brighter, much better.
Thanks, I did notice that only the Virginia Brightleaf and Yellow Orinoco seedlings do it (among this group at least), with the Virginia Brightleaf much more vertical. Apparently it's something called Nictynasty, not to be confused with Shadynasty, Frank Reynolds' old flame.Quite common behavior for tobacco, but I’ve never noticed it in such young plants. Some strains have a much higher propensity to assume the so called “praying position” at dusk than others, but all tobacco strains “rise” their leaves before it gets dark. I have no idea of the biological reason why they do that though.
pier
That explains its ability to germinate almost everywhere. And makes sense that doubling the size = exponential increase in volume... 4/3 pi r^3 and all that. So like locusts it produces huge numbers which quickly use up the environment.N. rustica seed is about two times the size of N. tabacum seed. That means that the reserve nutrition held within the seed (the "food" supply that allows it to germinate) of N. rustica is roughly the square of the supply held by N. tabacum. Live fast; die young.
Bob
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