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"Main-Lining" Train Marijuana Plants for Bigger Yields & Flat Canopies (Viewed 9795 times)
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"Main-Lining"

The act of training a cannabis plant to form a "hub" or "manifold" off a single node, creating a center for equal energy distribution from the roots to each cola.

An example of main-lining: Notice how nugbuckets has created a "hub" or "manifold" for even energy distributionExample of a flowering marijuana plant grown with main-lining

See that main-lined marijuana plant at harvest.... Nothing but huge, dense buds!

That same main-lined marijuana plant grown out - NugbucketsTrimmed, main-lined marijuana plant at harvest - Nugbuckets

Hub: A place or thing that forms the effective center of an activity, region, or network.

Manifold: A pipe or chamber branching into several openings, "the pipeline manifold"

The difference between main-lining and traditional marijuana growing methods explained in picture format - Nugbuckets main-lining tutorial

The result of main-lining marijuana is an even canopy and bigger yields with little extra effort.

No more larfy popcorn buds stealing energy away from the main colas!

Here's a few more marijuana main-lining pictures so you can see what I mean about the effortlessly even canopy. Main-lining is effective for increasing yields both indoors and outdoors.

Outdoors - Greater stealth & control

Main-lined marijuana plant outdoors - Nugbuckets

Indoors - Easy flat canopies & bigger yields with the same grow lights

Main-lining produces an effortlessly flat canopy when growing indoors - making good use of your grow lights

 

 

Benefits of Main-Lining

  • Bigger Yields - With the exact same setup

  • Set It and Forget It - After the initial training done during the very beginning of the plant's life, you don't need to do much else to get the benefits of main-lining

  • Effortless Canopy Management - Colas tend to naturally grow to the same height

  • Fatter Colas - Each cola grows to a similar size and weight, simplifying the drying/curing process and producing fat, even colas

  • No More Larfy Buds - No small, leafy "popcorn" buds to drain energy away from the main colas

  • No More Uncontrollable Stretching - Because energy is distributed evenly among all colas, main-lining reduces the undesirable "stretch" of just some colas when plants first switch to the flowering stage - this stretch often causes height/space problems for indoor growers

  • Indoors - More From Your Grow Lights - Get bigger yields from the same grow lights and setup

  • Outdoors - Increased Control and Stealth - Gain greater control over the dimensions of your final plant (for better stealth and reduced chance of mold) and produce a more desirable and consistent final product

Here is a picture of Nugbuckets showing off the fat, evenly shaped colas he produced from one plant using the main-lining technique

Picture of Nugbuckets showing off his fat, even colas from main-lining
(click pic for closup)

Main-Lining is just a concept about builing a plant off a single node. You don't have to get everything perfect to reap huge benefits.  Many growers do main-lining their own way, and still get the rewards as long as they build their hub / manifold off a single node.

Main-Lining is an incredibly powerful way to gain complete control over your plants in small spaces, and also gives outdoor growers the power to control the size and shape of their plants for more consistent yields.

One of the best things about main-lining is that it's a "front-loaded" process. Most of the work happens right at the beginning of the plant's life, during the first few weeks. After that you mostly get to lay back and reap the benefits.

Set Up Your Hub / Manifold In the Early Vegetative Stage
(take a few weeks at most, when starting from seed)
Example of radical main-lining a marijuana plant - Nugbuckets

Then just sit back and allow plants to grow into this naturally efficient shape
Radical main-lining plant grown out - by Nugbuckets

Bonus: The main-lining technique can be adapted to produce plants that fit in almost any space

As you're growing out young plants, simply pay attention to building thick stems from a single node on the trunk, (aim for a high VCSA - vascular cambium surface area) to evenly deliver nutrients from the roots to each of your colas.

That's it.

It doesn't matter how a grower achieves this. This tutorial and all the examples should get you started, and I encourage you to adapt this technique to suit your own setup and growing style.


  The Theory Behind Main-Lining

Note: "Main-lining" is a name that was first coined by Nugbuckets. Nugbuckets says he is sure main-lining has been done before and it probably even has a name, but he just naturally started calling it main-lining and the name has stuck for growers around the world.

Main-lining is a form of plant training to help cannabis plants grow evenly, with only fat colas and no tiny "popcorn" buds that many growers just throw away.

These tiny buds take away energy from the big colas. Many growers choose to "lollipop" their plants by trimming away all the lower growth, yet main-lining takes lollipopping to a new level, with better results and less wasted energy.

With main-lining, you create a plant whereevery cola is exactly the same number of "steps" away from the roots. All colas originate from the exact same part of the marijuana plant, which naturally causes each cola to receive an even amount of nutrients and energy.

As a result, plants grow with an even, flat canopy, which produces the best yields for indoor growers using grow lights. Many different training techniques can be used to produce an even canopy, yet main-lining seems to be one of the most effective technique for small-scale marijuana growers.

With main-lining marijuana plants, the purpose is to build a "hub" off of a single node, creating a manifold for equal energy distribution from the root mass to the growing tops.

This pic shows what i mean by "manifold" really well.......my little V-8!

Example of a main-lining "manifold" by Nugbuckets

Notice how there is a main "hub" (manifold) to distribute energy evenly to all colas

First You Create A Hub So Each Cola Gets Equal Access to the Roots

With main-lining, all the branches/colas on a marijuana plant come off of the same node on the trunk. Each cola then gets an even amount of hormones and nutrients (growing supplies) from the root mass.

Basically you are building a "hub" from the roots, make sense?

This hub or "manifold" allows your plant to evenly distribute energy to all of the colas, so your canopy naturally grows flat, even and orderly.

Main-lining allows you to grow flat indoor plants, to take the best advantage of your indoor grow lights

All you have to do is follow the steps of creating a hub in the vegetative stage, and your young marijuana plants will naturally and automatically grow into this efficient shape, without much, if any, further work needed from you.

Therefore one of the big benefits of main-lining is it takes a lot of the hard work out of canopy management.

I am all about creating an even canopy of similarly sized stems and colas, like green lady soldiers lined up ready to kick ass and take names. No weak colas, no runts, no spindly branches. I love that with main-lining you pre-build your canopy so everything grows even and consistant.

Anyone who has grown indoors knows how hard it can be to produce an even canopy. Especially when you're growing in a small space, you've got to be able to keep your plant as short and wide as possible to take advantage of your indoor grow lights.

If you don't train your plants properly, it reduces your overall yields because some colas get bigger and taller than others, and then they block other bud sites from getting light.

With main-lining, you want all your colas to come off the main stem, like spokes on a wheel, so each of them is almost exactly the same as each other.

Take a look at this hub / manifold from a main-lined plant that had 16 main colas at harvest -
Notice how the growth is symmetrical on each side of the main split

Manifold ("hub") from marijuana plant that was main-lined for 16 colas - Nugbuckets

This means that each cola gets to share nutrient pathways with all your other colas. This allows your plant to form just a small number of very efficient pathways, instead of spreading energy by making uneven pathways to many different nodes on the main trunk.

Main-lining is easy to accomplish when a marijuana plant is grown from seed since seedlings grow symmetrically. It's more difficult to main-line marijuana plants grown from clones since they usually do not grow symmetrically, but it's still possible.

I'll cover both methods in this article. Jump directly down to the...

 

  How Nugbuckets Discovered Main-Lining

When I first started growing marijuana, I would top the main cola, and leave two nodes coming off the main trunk. This is structurally similar to what growers do when they FIM the plant. I'd begin to build my bonzai-type structure while trying to manage the canopy as well as I could.

Yet no matter what I tried, I still noticed a huge difference in the energy output of the colas originating from the upper and lower node, even when they were separated by mere inches on the trunk. They grew similarly, but colas still varied quite a bit.

Then it hit me, even a single inch on the trunk separating the two nodes was the key to these differences.

Even a single inch of space separating two nodes coming off a main trunk, like the plant in this picture below, will cause the colas to grow differently from each other

This is the result of FIM, not main-lining

I wondered what would happen if I created a single manifold to distribute all the energy evenly from the main trunk.

In my next grow, I decided to build the entire structure off of a single node to create my manifold....

"Underskirt" view of the single node manifold / hub - Nugbuckets main-lining tutorial

The results spoke for themselves... Creating a manifold off a single node caused the plants to naturally grow with more orderly canopies and long, dense colas. This technique also revealed a variety of other unexpected benefits.

Main-lining was born!

Main-lined Ace of Spades - by Nugbuckets

Disclaimer!!! Some strains are better suited than others for the main-lining method. The best strains for main-lining display "single cola dominance," which means that it tends to grow in the class "Christmas tree" shape of Indicas, Afghani strains, Kushes, etc.

Sativa dominant strains often do not grow in this shape, and tend to have lots of secondary branches naturally spring up. Clones also tend not display the same level of single cola dominance as plants grown directly from seeds. With that being said, main-lining can be used with all strains and even clones to optimize the nutrient distribution from the roots and create more balanced plants.

I've included several specific examples of main-lining below so you can see how the main-lining technique differs for different strains and growing styles.

 

Overview of the Basics:
How to Use The Original Main-Lining Technique

(Starting from Seed)

Table of Contents

  • What You Need

  • Step 1: Wait until young marijuana plant has 5-6 total nodes

  • Step 2: Top plant down to 3rd node (Cut off stem and all the growth above the 3rd set of leaves)

    • Step 2b: Remove growth below the 3rd node

    • Step 2c: Secure 2 new mains at right angles from the ground

  • Step 3: Allow plant to start growing vigorously again, then top all main colas symmetrically (to double the number of mains)

    • Step 3b: Remove extra growth tips below your new mains

  • Step 4: Repeat Step 3 until you have the total desired number of nodes

  • Step 5: Attach plant to tomato ring for easy control over all colas (optional)

  • Step 6: Once the plant shape and manifold are fully formed, remove any remaining clips or wires

  • Step 7: Sit back and let main-lining do the rest of the work for you!

What You Need To Start Main-Lining

  • Marijuana seedling

  • Scissors or a razor to cut plant

  • A spool of Garden soft tie (which can easily be cut to the size you need) or some other soft bendy wire to bond/train plants

  • [Optional] Canopy ring / Peony Cage

The simple canopy rings I use are made from a heavy duty tomato or peony cage commonly found in garden stores. I cut and bend the bottom to spect. You should modify your canopy ring as needed for your setup.

Modifed heavy duty peony cage for main-lining - Nugbuckets

When combined with soft ties, the hoop allows the grower to instantly modify the footprint of the plant simply by sliding the stems along the perimeter of the ring. This can come in very handy, when "puzzle piecing" plants into a defined space!

Nebula's Main-Lining Strain Pick: BlackJack

Nirvana's famous medical BlackJack strain is perfect for main-liningA BlackJack marijuana harvest
Why Did Nebula Pick Blackjack? This highly medical strain by Nirvana is easy to grow, responds like a champ to main-lining, and produces a Jack Herer / Haze style buzz

Notice how the peony cage is "wrapped around" the plant, giving it a circular shape

Step 1: Wait until marijuana plant has 5-6 total nodes

I believe the optimal time to start main-lining a healthy marijuana seedling is when she has 5-6 total nodes. Wait a little longer if you feel the plant is not growing fast and healthy.

Note: a node is a pair of growth tips that are directly across from each other.
Each growth tip has the ability to become a new main cola.
What is a "node" on a marijuana plant? It's a set of growth tips, almost always nestled in the elbow of 2 fan leaves

This BlackJack seedling is ready to start main-lining!
This BlackJack marijuana seedling is ready to start main-lining!

This seedling is also ready
This marijuana seedling is ready for main-lining - Nugbuckets

You can still use this technique if your plant is bigger and has already grown more nodes, but please note that this technique involves cutting off the top of your plant down to the 3rd node. So the bigger your plant is when you start main-lining, the more this technique will set you back, timewise.

So if you start with a bigger plant, you will be losing more of the time and effort your plants already put into their growth.

However, other than the time lost, there's no reason you can't start main-lining an older/bigger plant.

Just make sure the plant is still in the vegetative stage! Never start main-lining a plant that has already starting flowering (making buds).

You could start with a much bigger plant if you want - this older plant can still be main-lined
(you'll just lose the time spent growing past the 5th or 6th node)

This older marijuana plant can still be main-lined - you'll just lose the time it spent making the extra growth you're cutting off

In our experiments, we've found that main-lining when the plant has 5-6 nodes in total seems to get the best results with the least amount of extra vegetative time. With a plant this size, you get all the benefits of main-lining, without really adding much more time onto your grow.

I do not recommend cutting small plants with less than 5-6 total nodes. Especially young clones! (Note: This step-by-step tutorial is specifically for plants grown from seed, though you can jump down to the speficic process about main-lining clones) It is important that your plant has had time to establish a healthy root mass and be growing vigorously. When this technique is applied to younger plants, it tends to really slow down plant growth for quite a while.

Step 2: Top plant down to 3rd node (cut stem above 3rd set of leaves)

How to top a marijuana plant down to the 3rd node - Main-Lining Step 2

Cutting off the top of your plant is a technique known as "topping." So a common way you'll hear marijuana growers give these instructions is to say to "top your plant down to the 3rd node."

You can throw the top part of the plant away or you can replant this top and use it to create a new plant which is an exact copy (clone) of your original plant.

After this step, your original plant should have just 3 nodes in total.

Step 2b: Remove all growth below the 3rd node

Remove all the growth, including cotyledons and fan leaves, below the 3rd node.

This third node will become the center of your main-lining manifold, and by removing all other growth, you are telling the plant to send all energy and effort to developing just that node.

Therefor the purpose of this step is to leave just the two stems/growth tips coming from the 3rd node, so that the roots only have to bring energy to this one hub / manifold. This will allow you plant to distribute energy evenly to all parts of the plant.

Remove all growth below the main node - Mainlining

Another example of topped plant, showing where to cut so you remove all growth below the 3rd node

The 3rd node is going to become your manifold / hub, so with this step, you "tell" the plant to put energy only into the two growth tips on the 3rd node. Once the other growth tips are removed, the plant will divert all energy into the one node that's remaining.

Your plant should look something like this after this step

Main-lining - topped the 3rd node and cleaned - Nugbuckets

Or this...

This plant has been topped to the 3rd node, and all growth below the 3rd node was removed - Main-lining tutorial

Are you worried about taking off too much?

You may want to leave extra fan leaves on the plant for now, including the ones which are directly attached to the 3rd node.

What's most important in this step is removing extra growth tips below the 3rd node.

Leaving extra fan leaves is a big time-saving tactic, especially if your new main node hasn't grown out much, such as in this example below.

This plant only has two growth tips left. The fan leaves powering this node are left on.
This plant was a bit too young to start being main-lined . She definitely needed the extra power from a few extra fan leaves to provide energy to the two tiny growth tips, so they grow out quickly.

With any plant, leaving a few extra fan leaves temporarily can help power the growth of nearby nodes.

Step 2c: Secure 2 new mains at right angles from the ground

Tie down your two new mains gently, so they form a right angle from the ground (or as close as you can).

If you waited until your 5th or 6th node to start-main-lining, you'll probably be able to do this step right away. However, if your 2 mains are too small to tied down, give your plant a couple of days so the new mains can grow out. Once you have enough growth on your mains to safely bend, it's time to start tis part of Step 2c.

Each strain grows differently in each setup. Some plants need extra time to grow out new mains. Other plants will already have long enough stems already that you can tie them down directly after the last step.

Some strains respond well to bending and training, others don't. Listen to your intuition. If you do happen to snap/break one of your stems, just tape it back up with duck tape and the plant may be able to heal herself.

I tend to really be a tad rough with my marijuana plants because I'm so familiar with how they grow, and I know when I'm pushing them too hard. If you're ever worried that you're moving too fast, then give plants a day or two between each step so you can see how they will react.

Slow, gentle movements will prevent injusty, while being one of the best ways to learn what your plants like and don't like.

In a stressful environment (such as very hot temperatures, if the plant is young, or if the plant is suffering from a problem/deficiency), it's always better to err on the side of waiting a little bit too long between steps, just to give your plant time to adjust and make sure she will be able to handle the bonding / pruning / training.

This is how Nugbuckets bonds his mains down - to the extreme with thick bendy wire
(these stems will turn back up towards the light in just a day or two)

Nugbuckets - how to bond 2 mains for main-lining

Secure mains down without cutting into them. This is important!

You can use almost anything to tie down your plant, as long as it isn't thin enough to cut into the "skin" of the plant. Softt gardening wire, coat hangers, or anything relatively thick and bendy will do the job. Avoid string as it will cut into your plant!

This hydroponics plant was secured down with garden ties that were curved into hooks so they wouldn't directly cut into the plant - the other sides were hooked to the reservoir

Secure your 2 mains down gently, so they form right angles with the ground (as best you can)

Tying down your two mains coming out of the hub will keep your final plant much shorter overall, and this will give your main trunk the signature "main-lined" appearance.

Nugbuckets originally perfected main-lining in a 3' tall cabinet (pictures below), so every inch of vertical height was crucial. If growing indoors in a small space where lack of vertical space is an issue, definitely don't skip this step!

Quick Summary of Step 2

This one full plant in the middle shows the "before". The rest of the plants illustrate the "after" of what your plants should pretty much look like at the end of Step 2

Step 2 "before" and "after"
Step 3: Allow plant to start growing vigorously again, then top all main colas symmetrically to double the number of mains

Watch the new colas (mains) you created in the last step.

Wait until plant has started growing fast and healthy. You will know it's time to take Step 3 when you notice your main colas are stretching upwards and growing heathfully.

Some growers wait for each main to grow out a few nodes, while other growers (including Nugbuckets) will often cut the plant after seeing just the growth tips fully formed.

These plants are green, healthy, and growing fast - they're ready to be topped again

This marijuana plant stretching upwards, and is ready to be topped again

This main-lined marijuana plant is growing fast, and ready to be topped / pruned again - Nugbuckets

Look along the length of your mains for nodes to become your new mains - nodes should be located in the same place on each side of the hub / manifold

On each main, choose a node. The nodes you choose will form the basis of new mains after topping the plant.

The most important aspect of this step is to make sure you choose nodes in the same place on both sides of the plant. This is very important to the efficiency of your hub / manifold.

Try to choose nodes that have symmetrical growth when possible, yet don't worry if you can't - main-lining will work as long as you choose nodes in the same place on both sides of the manifold.

Try to choose symmetrical nodes to top, when possible

Once you've chosen your nodes, top to that node (cut stem directly above the node).

Cut stems directly above your chosen nodes

Top to your chosen node, being careful not to damage the growth tips

Make sure you do this in the same place on every main, so every node you cut exactly matches one you're cutting on the other side of the manifold.

Be careful not to damage the growth tips coming out of the node as each one will soon become a new main.

For now, leave the fan leaves directly attached to the new mains. These will power their growth.

After
All your old mains should now look something like this - notice the two growth tips at the end, which will become new mains.

After cutting above your chosen node / topping to your chosen node

Each time you top all the mains on a plant, you will double the total number of main colas, so after this step, you will have twice as many mains as you had before.

Step 3b: Remove extra growth tips below your new mains

Nugbuckets will usually do this step directly after the last step. Some growers, especially beginner main-liners, may choose to wait a few days to make sure the plant has responded well to being topped, before removing the other growth tips. There's more room for error that way.

You can choose to leave or remove the fan leaves, Nugbuckets tends to remove all fan leaves except the ones directly attached to the remaining mains.

What is most important is that you remove all growth tips besides your new mains. You want your plant to be putting all her new growing energy into your chosen mains. Every other growth tip just steals energy away from the manifold you are creating.

Before

Remove all growth tips besides your new mains - Main-lining tutorial

After

Just your chosen mains are left (all other growth tips have been removed)
Step 4: Repeat Step 3 until you have the desired number of colas (keep topping plants until you have 8, 16, or 32 mains)

As Nugbuckets mentioned, each time you top the plant, it doubles the total number of colas. This is because you're essentially splitting a main cola in two with every topping.

So you top a plant once for 2 main colas, top a second time for 4 mains, top a third time for 8 mains, etc.

This chart should help you figure out how many times you want to top your plant in total, and how many colas will be produced. There's more information below the chart about why.

Chart showing how many times to top your plant in total for your setup

Growing Indoors: Top 3 times for 8 colas

As a general rule, when growing indoors under grow lights it's best to have 8 total nodes. This means you will top the plant a total of 3 times, including the first time.

Growing Outdoors or in Greenhouse: Top 3-4 or more times for 8-16+ colas

When growing outdoors it's best to have 8-16 total nodes or more to take advantage of the light of the sun and allow your plants to grow into huge bushy monsters. This means you will top the plant a total of 3-4+ times.

Growing Scrog Style: Top 5 times for 32 colas

When growing using the Scrog technique, I prefer to produce 32 total nodes to get the most out of each plant under the Scrog net. This means you will top the plant a total of 5 times.

I only use the Scrog technique when growing a Sativa dominant strain (as these tend to make lots more secondary branching and "fill out" more than Indica-dominant straains). I always allow the plant to have some time to stretch and really fill out under the net before I initiate flowering.

Picture Example - Marijuana plant topped for 8 final mains

Before - 4 mains

This plant currently has 4 main colas - Nugbuckets main-lining tutorial

Before - Side view

4 Main Colas Sideview - Main-lining tutorial by Nugbuckets

After

Same plant after being pruned for 8 mains (and secured to the sides of the pot)

After being pruned for 8 mains - Nugbuckets main-lining tutorial

Just a few days later, her 8 new mains are already pointed up and facing the sun

8 mains - Faces have turned up just a few days later - Nugbuckets main-lining tutorial

Picture Example - Plant topped for 16 mains

After waiting for the 8 mains to grow out a bit, you can prune / top again for 16 mains, like this plant

Pruned for 16 main colas - Picture by Nugbuckets

And so on, until you have the total desired number of mains.

Remember! More main colas is not necessarily better. For most setups, I've found that 8 or 16 main colas is the optimal number. Unless you're growing in a ScrOG setup, more mains usually won't result in bigger yields, but those plants do take longer in the vegetative stage.

Step 5: Attach plant to tomatoe ring for easy control over all colas (optional)

Tomato ring or peony ring is the perfect tool to attach your mains toYou have done all the work of building your manifold, and now you are just guiding your plant into your desired shape.

Some growers choose to secure their mains in other ways, for example using gardening wire to attach colas to your growing pot / hydroponics reservoir, or installing a ScrOG net.

I personally prefer to attach the plant to a cheap and simple tomato ring, as this provides a great scaffolding.

These rings (sold as heavy duty tomato rings or peony rings) usually come much too tall, so I cut them down to spec.The exact size you want depends on your setup. I generally cut them so the hoop rests about 14" above the soil. You would want to go taller for bigger plants with more colas.

You will be able to secure your colas to the hoop as they grow (I use soft ties, so I can slide the colas around as I "piece the plant together."

Soft ties are a great way to secure mains to the ring

Use soft ties to secure your colas to the ring, and you'll be able to "slide" your colas around until you find the optmal configuration

These tomato hoops will givs you an easy way to produce the flat, even canopy that most growers want.

If growing indoors where vertical height it limited, I will lightly supercrop plants to keep them ultra short and even, especially if I notice any colas growing taller than the rest.

You can either attach all your colas to the edges of the rings, or you can leave a few colas unattached so they take up the middle part. So for 8 colas, you would have 6 of the colas attached to the hoop, and 2 of the colas would be free to grow in the middle.

Step 6: Remove any clips or wires once the plant shape and manifold are fully formed

Remember that any clips or wires you use to hold down your plant are only for temporary bondage.

Pay attention to how tightly and how long they are wrapped around a specific branch or trunk.

Once the manifold and plant structure is formed, you can and should remove your bonds. If left on for too long, your wires can girdle and eventually damage / stunt the plant.

Step 7: You're pretty much finished! Now you mostly just sit back and let main-lining do the rest of the work for you

At this point, you're pretty much done!

Allow plants to continue to grow vegetatively until the tops of the mains have reaches about 6" above the top of the ring (or about 20" from the base of the roots). At this point, switch to the flowering stage and then you just let your plant do her thing!

Unlike most other forms of marijuana training, main-lining is a front-loaded process. Once you've reached Step 7, there's very little you need to do besides keep your plant alive and happy until it's time to harvest.

If you notice any mains getting taller than the others, you can gently slide that cola around the tomato ring until it's a more even height, or if you haven't used a tomato ring, simple pull that main out and away from the center of the plant and secure it down.

You can also use light supercropping to bend mains to an even height with your other colas while she's still in the vegetative stage.

Remember, you can use the soft ties and canopy ring to gently manipulate your plant as needed to fit into pretty much any sized space. I originally perfected this technique in a 3' tall cab!

Other than some light bending, your plant should naturally grow into a shape like this, producing huge, fat and dense colas that get the most out of your light!

Main-lined marijuana plants naturally grow into a flat, wide shape like this - by Nugbuckets

 


 

Starting From Clone: Main-Lining Picture Tutorial by Nugbuckets

The main-lining clone tutorial has been moved to its own page for easy access.

Main-lined hub of a marijuana clone

 


 

Starting From Seed: Nugbuckets Grow Journal - 8 Colas

This plant is from the strain "Ace of Spades" and was grown from seed.

I will build a foundation to support 8 fat, long and equal colas, coming from a central manifold, so none of the colas will be discriminated against by the roots.

I have already topped this marijuana seedling down to the third node. I removed the first node. You'll see that I left the 2nd node below the main hub for now. I am leaving these two growth tips so they can grow out and be cut off to produce 2 perfect clones.

If I wasn't saving the extra growth tips for clones, I would have removed all the growth below the 3rd node.

This plant was topped to the 3rd node, then allowed to grow out 2 nodes. The bottom growth tips will be removed and turned into clones.

In the following picture, you can better see how the top node has been perfectly prepped to produce 4 new mains. Each side of the top node has two perfectly symmetrical growth tips.

Marijuana seedling has been prepped for 4 mains - Main-lining tutorial by Nugbuckets

After the extra node (the two growth tips on bottom) are removed to create clones, I will prune the rest of the plant so there's just the 4 mains, and adjoining fan leaves. Everything else is removed.

Pruned the 2 mains for 4

Now I will bond the 4 new mains down to the trunk.

Nugbuckets - how to bond 2 mains for main-lining

It only takes a day or two before the seedling gets her stride back and those faces are turned up again.

Marijuana seedlings gets stride back - Nugbuckets main-lining tutorial

This quick recovery is due to the fact that we allowed this seedling to grow out quite a bit initially, and build up a strong healthy root mass. Here's what she looks like from the top.

That seedling from the top / side - Nugbuckets main-lining tutorial

After the marijuana seedling recovers from her initial bonding and pruning, she is pruned a third time for 8.

Before - 4 mains

This plant currently has 4 main colas - Nugbuckets main-lining tutorial

Side view - 4 mains

4 Main Colas Sideview - Main-lining tutorial by Nugbuckets

I choose a matching node on each of my 4 mains, and top / prune them so there are two matching growth tips left at the end of each one. I remove any other growth tips besides my chosen 8.

I remove the initial ties, and bond the 8 new mains down. This timeI've bonded the mains to the sides of the pot.

You can bond to anything that is convenient, though it's usually easier to bond to the plant itself or the pot instead of something on the floor. This allows you to easily pick her up and move her around without messing up the bonding.

After

Marijuana seedling pruned for 8 and bonded to pot - Nugbuckets

After being pruned for 8 mains - Nugbuckets main-lining tutorial

Closeup of bonds
(I use garden soft tie, which is thick bendy wire that can be cut to any size)

Close-up of marijuana main-lining bonding - Nugbuckets

She quickly will turn all her new mains upwards, like little faces peaking up at the sun.

After just a few days, that same plant now looks like this.

8 mains - Faces have turned up just a few days later - Nugbuckets main-lining tutorial

After the plant has fully recovered, and appears to be growing fast and healthy, I transfer her into her bigger flowering pot. I use organic supersoil without added nutrients, so it's essential to transfer marijuana plants so they have enough nutrients in the soil to last all the way to harvest.

I add a canopy ring for future bending/training, and allow the young plant to veg for about two weeks.

Marijuana plant is transferred to bigger pot with canopy ring - Nugbuckets

You may choose to top all the nodes again for a total of 16 mains. Yep, you can go to 16, or even to 32 if you desire! Perhaps you may even go to 64, if it strikes your fancy, though I think 64 spreads the energy out too much unless you were doing some sort of serious ScrOG setup with a very long vegetative period.

Two weeks later...

2 weeks later, her vegetative growth has reached the ring - Nugbuckets

The vegetative growth has reached the top of the hoop!

Tomato ring or peony ring is the perfect tool to attach your mains to

Sometime 1 or 2 mains will get a bit taller than the others. When this happens, some simple supercropping can come in handy. It's usually the center mains that do this, if any.

Now the plant is set up similar to a ScrOG setup. She has all these mains that are exactly as tall as the tomato ring, kinda like how you want all your mains to fill up the area below the ScrOG screen before you allow any of them to start growing above.

Unlike ScrOG, main-lining takes way less time. It should only take a few light pinch/bends to keep all your mains orderly if you'v

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