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Should I trim low laying branches?

  • Thread starter Thread starter cruzin
  • Start date Start date Jul 7, 2019
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Should I trim low laying branches?

cruzin Jul 7, 2019 122 Replies 46,249 Views
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Migrower

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#81
Aqua Man said:
I think grow style needs to be taken into account. Apical dominance and light play big roles in bud size. If you have light to the buds I would say leave them. Some suggest when harvesting twice (taking the ripe buds and letting the rest flower until ripe) the second harvest produces more potent buds. I have not tried this method personally yet but in about 5 weeks I will be giving it a go.
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This could possibly be caused by the extra stressing the plant is receiving during the harvest. Stressing the plant as you know causes higher THC in cannabis. Infact I just read a study saying that the cannabis plants that were not defoliated though had less yield had higher THC content. The density caused stressing upping the THC content. So I guess you have to really decide what you want and grow with those techniques.
 
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Aqua Man

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#82
Migrower said:
This could possibly be caused by the extra stressing the plant is receiving during the harvest. Stressing the plant as you know causes higher THC in cannabis. Infact I just read a study saying that the cannabis plants that were not defoliated though had less yield had higher THC content. The density caused stressing upping the THC content. So I guess you have to really decide what you want and grow with those techniques.
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I'm a skeptic on this and have not found anything to convince me this is the case..... Yet. Always open to concepts but I'm a stubborn sole. I have even heard of putting a nail through the main stem to achieve this.

Personally I feel UV can impact this and that could be considered stress I guess. But I think there is more to it.

If you have some studies I'm open to reading them. Knowledge is power and I'm all for learning.
 
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Migrower

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#83
And since I’ve been thinking all this over and researching a bit. I come to this thought.
So the plant is gaining energy From the leaves on the lower branches that are processing sunlight from photosynthesis. Now in doing so the plant is using energy to grow that branch into produce all of those leaves. So my question is which is greater the energy used to grow that branch and the leaves. (now consider lower branches are usually the first ones that begin to grow and generally are larger than most of the other branches on your plant) OR The energy that the plant produces through the photosynthesis of the leaves and almost all the videos that I’ve seen in research that I’ve read from growers that I believe to be quality cannabis growers Seem to take off most of the lower growth. And I’ve been in the horticulture field since 08 and I had never heard the term “lollipopping” until growing cannabis. Unless you are sculpting a species for ornamental reasons. i.e.(cedar shrubs,juniper, box woods, etc.) And in orchards this would simply be removing old non quality fruit bearing limbs and deadwood.
 
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Migrower

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#84
Aqua Man said:
I'm a skeptic on this and have not found anything to convince me this is the case..... Yet. Always open to concepts but I'm a stubborn sole. I have even heard of putting a nail through the main stem to achieve this.

Personally I feel UV can impact this and that could be considered stress I guess. But I think there is more to it.

If you have some studies I'm open to reading them. Knowledge is power and I'm all for learning.
Click to expand...
Check out this one and yes I heard the nail thing too. Also thumb tack holes I have a freind who swears by it. He puts hundreds of holes in his stalk next to the soil right above it two weeks into flower. Idk it’s sketchy to me too but I’m a newbie to cannabis
 
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Migrower

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#85
Oh sorry here! https://www.frontiersin.org/articles/10.3389/fpls.2019.00495/full
 
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Aqua Man

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#86
Migrower said:
And since I’ve been thinking all this over and researching a bit. I come to this thought.
So the plant is gaining energy From the leaves on the lower branches that are processing sunlight from photosynthesis. Now in doing so the plant is using energy to grow that branch into produce all of those leaves. So my question is which is greater the energy used to grow that branch and the leaves. (now consider lower branches are usually the first ones that begin to grow and generally are larger than most of the other branches on your plant) OR The energy that the plant produces through the photosynthesis of the leaves and almost all the videos that I’ve seen in research that I’ve read from growers that I believe to be quality cannabis growers Seem to take off most of the lower growth. And I’ve been in the horticulture field since 08 and I had never heard the term “lollipopping” until growing cannabis. Unless you are sculpting a species for ornamental reasons. i.e.(cedar shrubs,juniper, box woods, etc.) And in orchards this would simply be removing old non quality fruit bearing limbs and deadwood.
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To me removing damaged and dying parts of the plants makes sense. Removing healthy portions only makes sense when it has a chance to impact plant health also makes sense (providing adequate air flow and light to parts so the don't become unhealthy) but removing healthy portions for the thought of diverting energy only partially makes sense. Like when topping to help even out dominance.
 
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Migrower

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#87
Aqua Man said:
To me removing damaged and dying parts of the plants makes sense. Removing healthy portions only makes sense when it has a chance to impact plant health also makes sense (providing adequate air flow and light to parts so the don't become unhealthy) but removing healthy portions for the thought of diverting energy only partially makes sense. Like when topping to help even out dominance.
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Yes and topping absolutely slows down growth. I have plants that should be three times their size but constantly topping to produce more main tops is considerably slowing growth.
 
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TerriR

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#88
cruzin said:
I’ve got lots of low laying branches on my 3 foot tall bushy plants. Should I keep them till they start to flower?
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I take off everything below the 3rd node (from the ground) and all the little inner branches because I hate trimming popcorn. I have topped only one because it was spindly. They do fine...just keep as many big fans as possible.
 

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Cannabizz

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#89
Is that too much?! LMAO.

Any time you cut growth from a plant, it should be done in 1/3 segments of growth. So if it's a tree, a shrub, bush, try and only remove 1/3 the growth per trimming.
 

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valjack

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#90
Ace9137 said:
Who are the professionals? We all know that the data on the internet are obscure, pointless, and often times advertising gimmicks that are not even based on actual science. I find it interesting that point out doing a test and saying it would be "pointless", how do you think science is done, by a bunch of guys and gals in an underground bunker wearing white lab coats? Science is done by those without funding from some corporate sponsor who tells you what results to focus on. I believe Migrower even pointed out that most experiments are done in controlled environments, to add to that, most times, the results are skewed for continued funding from said sponsor. So what would be a credible person? Well, I think anyone that would do the experiment and produce results could/would/should be considered credible. You want to learn to grow, pay attention to how tomatoes are grown, or better yet go to burpee, good info there, maybe just consider that cannabis is a plant under the same rules as any other plant.

Migrower, who do you think perpetuates these myths about growing? Most not all, cannabis sites will tell you that pruning is a wonderful idea, they are wrong, try out the experiment, you were in college, you do know how to set up an experiment? You also know how to be objective? Weed sites are not accurate when it comes to gardening, at times I find flaws even at gardening sites, their information is much more on par compared to cannabis sites. Tell me, what would you do if after pruning your plant it catches a virus of some sort? Better yet, it looked healthy so you cut off a bunch of bottom leaves, branches, ect. , and now the top leaves are turning yellow and dying? Truth be told, you seem intelligent, yet, like most of us, have been suckered in by big corporate advertising/propaganda tactics.
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I'd like to bud in here. I just in this past hour snipped off lower branches on my outdoor plants which some are now 6 feet tall. The reason I did this is because the lower branches are prone to get into the soil when I hand water. Prior years, been growing 5 years now, I did not remove lower branches. When harvested those lower branches may have soil and perlite stuck in the buds which are small anyway down there. I agree with Ace9137 on who are the professionals and results being skewed in order to be able to acquire more funding, etc. Like who is policing the police sort of thing I guess.
 
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TerriR

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#91
valjack said:
I'd like to bud in here. I just in this past hour snipped off lower branches on my outdoor plants which some are now 6 feet tall. The reason I did this is because the lower branches are prone to get into the soil when I hand water. Prior years, been growing 5 years now, I did not remove lower branches. When harvested those lower branches may have soil and perlite stuck in the buds which are small anyway down there. I agree with Ace9137 on who are the professionals and results being skewed in order to be able to acquire more funding, etc. Like who is policing the police sort of thing I guess.
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yep, that’s why I cut off below 3rd node...I feel that splashing on those lower leaves could invite disease, etc...and the small inside branches that might have a little bud are just a PITA and not worth the time. I haven’t been growing long but I always end up with much more than enough, so I can afford to be picky.
 
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Ignignokt

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#92
TL;DR

When I had copious time to pursue this question - I was surprised at the ideas expressed. From defoliation to almost BDSM methods with all kinds of justification. It seems that personality is perhaps expressed in methodology followed. I'd mention that I think of it as a system that tells you more if you listen closely. I did like the first reply so much that I jumped over all the torture porn to just quote the first responder.

Jimster said:
So... In MY opinion, I'd leave the lower branches on at least until you begin flowering. This is just the way I have grown for years, and I'm not claiming that this is the best or only way to go. Every grow and grower is different. Success comes from experience, and every step you make increases that experience. Good luck and keep up the good work!
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Depending on the strain and how that expresses, those branches emerged for a reason. Perhaps it was lighting, or some other factor. I have done some defoliation to adjust density after forcing flower however I always grow different strains and I want to see how they react and adapt to the conditions. Epigenetics is a thing and conditions do change genetic expression. I have focused on light spectrum as the variable I want to control. However beyond that, I try to let nature take the course it had in mind.

And then there is the common case of just fucking with it too much. YMMV.
 
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Seraphine

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#93
I have done both and I can tell you that the plants I have pruned have larger buds all over, even those small buds at the bottom of the plant are well developed and much larger than the plants I don’t prune. I prune twice, first when I switch them to flower then a second time in 3 weeks. You don’t really need a published paper to figure this out, just try it for yourself. In addition to pruning the fan leaves, I also remove any small branches and growth in the bottom 1/4 of the plant. If the plants were in their natural environment with no nutrients, then yes, they would suffer. However, we pump our plants full of nutrients that there are not adverse side effects such as low yield or poor growth. I also grow in coco and my plants get fed daily. Pruning doesn’t work for everyone and its success is dependent many many variables. Just because pruning works for me, doesn’t mean someone else will have the same results.
 
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Ignignokt

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#94
Seraphine said:
I also grow in coco and my plants get fed daily. Pruning doesn’t work for everyone and its success is dependent many many variables. Just because pruning works for me, doesn’t mean someone else will have the same results.
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I grow in coco as well - and you make a fair statement about directing growth. I try to find other analogs for cannabis, there is much to learn from how other plants are actively cultivated. Grapes are perhaps the best example of optimizing the fruiting process however the dynamics are specific to location, time of year and conditions. As you say - experience over time is the best guide. If you are wanting a specific outcome - larger flowers - selecting for that is fine I think. Just be ready to support what you force since the plant may have not adequately build strength where you really need it. And know that big, dense buds bring their own challenges at finish. Outdoors here, that always turns into a shit-show because of moths and cloudy days in the fall that encourage bad things.
 
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Edinburgh

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#95
Don't trim branches unless there so small the plant will waste energy for little or no flower, remember. Flower grows on branches! You could definitely prune the plant if you want to get more light to really penetrate your canopy and improve airflow, but don't prune branches.
 
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Migrower

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#96
Here some pics to compare that I took a day or two ago. One :A very healthy big sturdy lower branch that’s juuust about to the canopy and not getting the greatest light do to its position on the plant. The other: the buds on the top canopy . Now weeks ago before flipping I took off some lower limbs. And two weeks in I took off some growth that would not grow or support nice flowers. The pic of the limb shown I was gonna take off but hesitated because it was so big and healthy. Well the buds are shit. Great node and bud structure but it won’t grow. This is one comparison.
 
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Seraphine

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#97
Ignignokt said:
I grow in coco as well - and you make a fair statement about directing growth. I try to find other analogs for cannabis, there is much to learn from how other plants are actively cultivated. Grapes are perhaps the best example of optimizing the fruiting process however the dynamics are specific to location, time of year and conditions. As you say - experience over time is the best guide. If you are wanting a specific outcome - larger flowers - selecting for that is fine I think. Just be ready to support what you force since the plant may have not adequately build strength where you really need it. And know that big, dense buds bring their own challenges at finish. Outdoors here, that always turns into a shit-show because of moths and cloudy days in the fall that encourage bad things.
Click to expand...
I would never prune if my plants were outdoor. That’s like sending a soldier into battle without weapons. Plus, it’s just too much work and can lead to other issues with insects and the overall health of the plant. In my controlled environment, I can get away with it. I only prune the small branches, that with experience over overtime, would have only produced very small buds.
 
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Migrower

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#98
Seraphine said:
I would never prune if my plants were outdoor. That’s like sending a soldier into battle without weapons. Plus, it’s just too much work and can lead to other issues with insects and the overall health of the plant. In my controlled environment, I can get away with it. I only prune the small branches, that with experience over overtime, would have only produced very small buds.
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A lot of pruning done outdoors is to prevent mold, pest ,and disease issues that can occur from various different issues. Not to mention I would think a well manicured plant would be easier to inspect for all these issues then a dense overgrown plant. I know we prune many species for these reasons in the landscaping industry.
 
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OldManRiver

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#99
BigCube said:
Nope. Every single paper I read indoor and outdoor both say the exact same thing. Ignore the science all you want, no skin off my nose. I'm not going to argue with someone who obviously won't or can't listen to reason.

If you could find a scientifically peer reviewed paper that supports your strange claims I would appreciate it. Nothing short of evidence is going to convince me. From what I can see there is none.

It's easy to do, go find some peer reviewed papers on the topic of pruning plants, more specifically fruiting plants.
If you find something that supports what you're babbling on about please share it.
Till then, I'll trust science over some rando internet guy who is saying the exact opposite of all known research.
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If you're going to claim papers support your opinion, the usual thing is to cite and link to the paper. I'm with Aquaman. Your claims contradict physics and logic, as well as my own long experience.
 
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BigCube

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#100
Sure fair enough.



https://www.google.com/url?sa=t&sou...FjAPegQICRAB&usg=AOvVaw0Xv4wPfIBEOsSPjeNi9Zz4
[/URL]

https://www.google.com/url?sa=t&sou...FjAKegQIBhAB&usg=AOvVaw1IwO3tCzpJwsJCUnVbIPay
[/URL]

There are many more. I never included links cause the most basic of googling would have given you them all. You can't find a study that says pruning doesn't help.
 
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Replies 122
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Started Jul 7, 2019
Latest post Jun 28, 2025
Starter cruzin
Forum General Outdoor Growing

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