The far red thread

Icemud420

Icemud420

Well-Known Member
churchhaze said:
I would love to see someone else experiment with FR on during the day. Let me know how it compares to plants without added FR during the day.

Maybe a little bit of extra FR during the day helps? I don't want to try myself though!
Click to expand...

I'm currently running a budmaster 730nm panel, and even though my main test is to use it as a flowering trigger to see if I can get a 14/10 flowering schedule to work, I did run it for 6 hours, during the middle of a 18/6 schedule for veg.

I'm not doing a side by side for comparison, but I did notice the ogiesel strain I have grown many times had much longer internode growth. I also noticed some odd leaf morphology where the leaves were not as fat (indica) as usual, and had a more hybrid look to them. Also the leaf "fingers" were more spread apart on all the different strains I am running.

Not all the plants showed stretching though, as the ogiesel being a heavy indica dom, usually is very short and compact, so it may be that the other strains I grow are more sativa dom, so stretch isn't as noticeable.

Since I didn't do a side by side though, its really based of my visual observations, and based of memory and photos of past grows, but its definitely showing slightly more stretch on the sativa doms, a lot of stretch on the indica dom, and the leaf morphology is interesting.

I just flipped to flowering a few days ago, so if anyone wants to see this grow, check out my journal, which I update at least 1x per week. I will be using the Far Red panel to be a flower initiator, and trying to run a 14/10 flowering schedule, running the Far read for 1 hour at the end of the daylight. 15 minutes while lights are still on, and 45 minutes when the lights are off.

With the far red during the day, I don't know if it actually helped speed up photosynthesis, but the plants did really seem to perk up at the time the far red light came on during daylight hours. The leaf posture that you normally would see at the beginning of the daylight, seemed to wait until the far red light came on to really show the leaf posture which was intereting as well.
 
cdgmoney250

cdgmoney250

Well-Known Member
Icemud420 said:
I'm currently running a budmaster 730nm panel, and even though my main test is to use it as a flowering trigger to see if I can get a 14/10 flowering schedule to work, I did run it for 6 hours, during the middle of a 18/6 schedule for veg.

I'm not doing a side by side for comparison, but I did notice the ogiesel strain I have grown many times had much longer internode growth. I also noticed some odd leaf morphology where the leaves were not as fat (indica) as usual, and had a more hybrid look to them. Also the leaf "fingers" were more spread apart on all the different strains I am running.

Not all the plants showed stretching though, as the ogiesel being a heavy indica dom, usually is very short and compact, so it may be that the other strains I grow are more sativa dom, so stretch isn't as noticeable.

Since I didn't do a side by side though, its really based of my visual observations, and based of memory and photos of past grows, but its definitely showing slightly more stretch on the sativa doms, a lot of stretch on the indica dom, and the leaf morphology is interesting.

I just flipped to flowering a few days ago, so if anyone wants to see this grow, check out my journal, which I update at least 1x per week. I will be using the Far Red panel to be a flower initiator, and trying to run a 14/10 flowering schedule, running the Far read for 1 hour at the end of the daylight. 15 minutes while lights are still on, and 45 minutes when the lights are off.

With the far red during the day, I don't know if it actually helped speed up photosynthesis, but the plants did really seem to perk up at the time the far red light came on during daylight hours. The leaf posture that you normally would see at the beginning of the daylight, seemed to wait until the far red light came on to really show the leaf posture which was intereting as well.
Click to expand...
Thanks for reporting your results! I've been waiting for more feedback from folks before diving in into Far Red experiments.
 
captainmorgan

captainmorgan

Well-Known Member
Has anyone used 730 nm during the entire lights on schedule to encourage extra stretch. I have a slow vegging strain with very close nodes and trying to get some extra stretch, added 10 watts of 730 to 240 watts of 3500k 3590's.
 
PhotonFUD

PhotonFUD

Well-Known Member
captainmorgan said:
Has anyone used 730 nm during the entire lights on schedule to encourage extra stretch. I have a slow vegging strain with very close nodes and trying to get some extra stretch, added 10 watts of 730 to 240 watts of 3500k 3590's.
Click to expand...

You could run it all the time. It should help kick up the Emerson Effect.

I know everyone here thinks stretching is bad, but you can use it to your advantage to improve training and capture more light.
 
captainmorgan

captainmorgan

Well-Known Member
Been using deep and far red for years and read a lot of the papers, just never had the need to see if it caused stretch in cannabis like a lot of the papers claim it should. Looking for someone that has actually done a comparison grow to see if it actually does induce stretch in cannabis. Already added it to the main lights so if no one has tried this I guess I'll see soon enough.
 
PhotonFUD

PhotonFUD

Well-Known Member
captainmorgan said:
Been using deep and far red for years and read a lot of the papers, just never had the need to see if it caused stretch in cannabis like a lot of the papers claim it should. Looking for someone that has actually done a comparison grow to see if it actually does induce stretch in cannabis. Already added it to the main lights so if no one has tried this I guess I'll see soon enough.
Click to expand...

It is the blue wavelengths that are responsible so it would be better to control the stretching by increasing or decreasing its relative energy.

Red is all happy goodness to a plant. Blue takes more work to process.
 
CobKits

CobKits

Well-Known Member
ive seen over stretch albeit anecdotally when using blurples that had 730s vs those without, coulda been some other factors though, capn hit it with a good amount of 730 in the first 14 days ill bet you see a difference. after that, not so much
 
PhotonFUD

PhotonFUD

Well-Known Member
CobKits said:
ive seen over stretch albeit anecdotally when using blurples that had 730s vs those without, coulda been some other factors though, capn hit it with a good amount of 730 in the first 14 days ill bet you see a difference. after that, not so much
Click to expand...
For some of those so called blurples you guys refer to, they don't work so well partially because they aren't engaging the Emerson Effect.

That is why some have found them work well as supplemental lighting.
 
8

8/10

Well-Known Member
When a plant in nature is in the shade, i.e. below the canopy, it will stretch to get to the light. I think I read somewhere that far red light triggers the "dark sensor" of the plant and that's why it causes stretching. Fits with the theory that FR-light shortens the dark cycle, as well.

by the way, has anyone seen the emerson effect take place, yet?
 
testiclees

testiclees

Well-Known Member
Icemud420 said:
I'm currently running a budmaster 730nm panel, and even though my main test is to use it as a flowering trigger to see if I can get a 14/10 flowering schedule to work, I did run it for 6 hours, during the middle of a 18/6 schedule for veg.

I'm not doing a side by side for comparison, but I did notice the ogiesel strain I have grown many times had much longer internode growth. I also noticed some odd leaf morphology where the leaves were not as fat (indica) as usual, and had a more hybrid look to them. Also the leaf "fingers" were more spread apart on all the different strains I am running.

Not all the plants showed stretching though, as the ogiesel being a heavy indica dom, usually is very short and compact, so it may be that the other strains I grow are more sativa dom, so stretch isn't as noticeable.

Since I didn't do a side by side though, its really based of my visual observations, and based of memory and photos of past grows, but its definitely showing slightly more stretch on the sativa doms, a lot of stretch on the indica dom, and the leaf morphology is interesting.

I just flipped to flowering a few days ago, so if anyone wants to see this grow, check out my journal, which I update at least 1x per week. I will be using the Far Red panel to be a flower initiator, and trying to run a 14/10 flowering schedule, running the Far read for 1 hour at the end of the daylight. 15 minutes while lights are still on, and 45 minutes when the lights are off.

With the far red during the day, I don't know if it actually helped speed up photosynthesis, but the plants did really seem to perk up at the time the far red light came on during daylight hours. The leaf posture that you normally would see at the beginning of the daylight, seemed to wait until the far red light came on to really show the leaf posture which was intereting as well.
Click to expand...
Did you mention how many watts of 730nm you are putting out?
 
testiclees

testiclees

Well-Known Member
PhotonFUD said:
You could run it all the time. It should help kick up the Emerson Effect.

I know everyone here thinks stretching is bad, but you can use it to your advantage to improve training and capture more light.
Click to expand...
You have a citation showing 730nm elicits an emerson effect?
 
testiclees

testiclees

Well-Known Member
captainmorgan said:
Been using deep and far red for years and read a lot of the papers, just never had the need to see if it caused stretch in cannabis like a lot of the papers claim it should. Looking for someone that has actually done a comparison grow to see if it actually does induce stretch in cannabis. Already added it to the main lights so if no one has tried this I guess I'll see soon enough.
Click to expand...
Pure anecdote, i mistakenly ran my 730nm panel one time for 6 consecutive hours after lights out while early in flower. Three plants all same age all stretched dramatically. One of them, a 24" plant, stretched 6-8" that "night".
 
Icemud420

Icemud420

Well-Known Member
8/10 said:
When a plant in nature is in the shade, i.e. below the canopy, it will stretch to get to the light. I think I read somewhere that far red light triggers the "dark sensor" of the plant and that's why it causes stretching. Fits with the theory that FR-light shortens the dark cycle, as well.

by the way, has anyone seen the emerson effect take place, yet?
Click to expand...
The term is "shade avoidance response" and is usually triggered by the combo of Far Red and Green light under the canopy. Plants also use Far Red light reflections from other plants to "see" where other plants are and maneuver accordingly.

Not sure if you can "see" the emerson effect take place without expensive meters that detect gas release from the plants.
 
You must log in or register to reply here.
Top