No. That's like the old timers saying you should snip out the "suckers" on a tomato plant when in effect you're reducing production by removing the very thing that produces the buds - leaves.

If green and capable of photosynthesis, then no, they will provide food for the plant, simple botany. Forget this voodoo "energy" stuff you hear so much about and stick to botany.

Based on a CO2 flag from the leaf, the plant knows when to discard it. IOW, when the CO2 processing almost ceases, the plant knows it is useless and will drop it. A healthy leaf is using quite a bit of CO2, an unhealthy one, almost none.

Nice plant. Where on the plant did you do your first pinch?

When you're read to try again, flag me down. BTW, see if you can find any semblance of a terminal leader nub on that zamal posted previously.

UB

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PLANT MOISTURE STRESS aka leaf edge/tip curling - symptoms and solutions
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I grow in a very fast DWC system, with a underwater pump and a tube feeder in the tank. I get an inch a day of growth.

After I see the 2nd node, and at about 5 inches tall, I snip out the one top, taking the two baby leafs and as little of the stem as possible. I do it at 2, 3 and 4 weeks again, but not just the tops, I do every branch..

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Roseman's DIY Bubbleponics Tutorial - Marijuana Growing
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Sorry, I get ya.. I just had FIM type notions on the brain.. The dimensions of the plant in your 3rd pic though are just so equal.. Are the colas in the center of the picture from the higher node??
Not all plants are that cooperative anyways..

Yep. It's pretty amazing how uniform those colas will grow in height. The colas that came from the higher nodes, node 2 are usually taller than those from node 1.

later.......

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PLANT MOISTURE STRESS aka leaf edge/tip curling - symptoms and solutions
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Scince i plan on doing sog for my next grow, im planning on having a mother. If i used clones, how soon can i do this to get 2 tops? Also how long would i have to veg for after doing this technique? It seems like this might screw up my harvest every month idea i have going.. lol. Any info u have on this is greatfully appreciated!

As soon as you get at least 3 nodes and the cutting is well rooted.

There's no difference. How long you veg for is your call.

Good luck,
UB

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PLANT MOISTURE STRESS aka leaf edge/tip curling - symptoms and solutions
Note- Due to some technicality, I can not reply to "New visitor messages"

I'd actually rather not veg at all.. Can i do this??

Thats called lollipopping.. Some plants handle it better than others, but you need to pack alot of them really densely to make it worth it.. A week of vegging will make a GIANT difference in the yeild of a single clone though..

im going to have around 20 plants at one time in a 4x2 1/2 area is this even enough area for this method?

Dunno, hunt around and ask somebody who uses the method.. This thread is about a very different way to grow..