A few harvest facts

[safeman]

Here are a few interesting facts:
1) hanging plants up-side down increase's potency ---More likely whole plant hanging slows the drying process and H20 lost therefore reduces loss of terpens\es and giving and better taste and aroma
2) Allowing an extended 24-48hr dark time - Many terpenes are voliated and exaporated when light are on; keeping the plant in the dark gives these delicate terpens a chance to make it to the drying room

Ref:MJBIZ DAILY.COM

 

[ppm Charlie]

Should the dark time be before cutting and hanging (lights out "girls" for 48-hrs), or, lights out at hanging after cutting? Or, does it make a diff? Just wanted clarity.

 

[safeman]

Should the dark time be before cutting and hanging (lights out "girls" for 48-hrs), or, lights out at hanging after cutting? Or, does it make a diff? Just wanted clarity.

dark periods are BEFORE your harvest !! (before cutting and hanging) hope this clears up things

 

[Emilya Green]

36 hours of darkness prior to the chop is what I use... it really does add to the quality quite a bit. 24 hours is not enough and 48 shows little to no additional benefit over the 36 hours, according to my own extensive experiments.

 

[safeman]

36 hours of darkness prior to the chop is what I use... it really does add to the quality quite a bit. 24 hours is not enough and 48 shows little to no additional benefit over the 36 hours, according to my own extensive experiments.

just read a article and it says that longer flower times and dark peroids DO increases terpenes (ref:Marijuana Bussiness Mag and Maximum Yield Cannabis -recent issues Yea! 48hrs too long and 24hrs too short !!!!!! 36hrs the "sweet spot"

 

[ppm Charlie]

dark periods are BEFORE your harvest !! (before cutting and hanging) hope this clears up things

TY!

 

[nivek]

facts?? really,,

where is the scientific study pls,,?

36 hrs is so short a time to affect near anything,, imo,, my personal opinion that is,,

 

[safeman]

facts?? really,,

where is the scientific study pls,,?

36 hrs is so short a time to affect near anything,, imo,, my personal opinion that is,,

will get them (look at ref I gave in post) This debate has been going on for years dark periods vs no dark periods. My self have done both ways a- a dark period seem to give a MORE ripe plan be it 24hrs - 48hr. Don't do "them" now because of different genetics flower times (many different strains) other wise I would use "them." Have you here this one: a 24hr dark time in week 4 of flower will shorten your flower time ? So I use extended dark times when growing 100% sativa's (14hr daks 11 light, ect) also ther is a old method called the Green Latern Method ( diffferent light/dark times during a 24hr period or something like that (6hr dark 4hrs light and so on - way too much work) Bacically what we are talking about is Stress be it with dark times or dry plants and even supercroppiing/breaking/bending the branches to cause stress in the final two week before harvest ( a practice in South America) to increase terpene's/trichomes development - this debat has been going on for 15 + years !!! Answer: have not heard of many commerical cultivators that use dark time's mostly concerned with light pentration grows - some use just a blue spectrum the last two week before harvest to increase terpens', ect

 

[bruno12345]

Well, the same source who says that changing from metal halide to HPS doesnt change nothing (why dont they listen to Bruce Bugbee, a light scientist?)

Says dark period increases terpenes.

Well, there is a logic in it, but hey, flush had a logic for many years, and when real science kicked in, we realized most of us didnt need to flush.


Not saying this is a lie. Just that we urgently need some real science research on these procedures.

After ALL, a comercial grower does many observations, they have a Lot of plants. But real measured science with consistent replications and patterns is crucial.

How could a comercial grower say changing from metal halide to hps is Just a waste of time? This is pure broscience, a simples google scholar search would help these "professionals".

 

[safeman]

Well, the same source who says that changing from metal halide to HPS doesnt change nothing (why dont they listen to Bruce Bugbee, a light scientist?)

Says dark period increases terpenes.

Well, there is a logic in it, but hey, flush had a logic for many years, and when real science kicked in, we realized most of us didnt need to flush.


Not saying this is a lie. Just that we urgently need some real science research on these procedures.

After ALL, a comercial grower does many observations, they have a Lot of plants. But real measured science with consistent replications and patterns is crucial.

How could a comercial grower say changing from metal halide to hps is Just a waste of time? This is pure broscience, a simples google scholar search would help these "professionals".

how true !!!!

 

[ppm Charlie]

will get them (look at ref I gave in post) This debate has been going on for years dark periods vs no dark periods. My self have done both ways a- a dark period seem to give a MORE ripe plan be it 24hrs - 48hr. Don't do "them" now because of different genetics flower times (many different strains) other wise I would use "them." Have you here this one: a 24hr dark time in week 4 of flower will shorten your flower time ? So I use extended dark times when growing 100% sativa's (14hr daks 11 light, ect) also ther is a old method called the Green Latern Method ( diffferent light/dark times during a 24hr period or something like that (6hr dark 4hrs light and so on - way too much work) Bacically what we are talking about is Stress be it with dark times or dry plants and even supercroppiing/breaking/bending the branches to cause stress in the final two week before harvest ( a practice in South America) to increase terpene's/trichomes development - this debat has been going on for 15 + years !!! Answer: have not heard of many commerical cultivators that use dark time's mostly concerned with light pentration grows - some use just a blue spectrum the last two week before harvest to increase terpens', ect

How Do I Manipulate The Photoperiod For Larger Yields?

The only photoperiod manipulation from years of experiments that offered discernible improvements was this adjustment made for 1 or 2 calendar weeks at

www.420magazine.com

 

[safeman]

How Do I Manipulate The Photoperiod For Larger Yields?

The only photoperiod manipulation from years of experiments that offered discernible improvements was this adjustment made for 1 or 2 calendar weeks at

www.420magazine.com

Thanks !!!! great information !!!!!!! basicly it comes down to "stress" that we put the plant in - be it light - cutting the stalks (done in south america - forget the name of "method"))

 

[ppm Charlie]

Thanks !!!! great information !!!!!!! basicly it comes down to "stress" that we put the plant in - be it light - cutting the stalks (done in south america - forget the name of "method"))

I've read that (in S. American they break and bend stalks and branches before harvest to stress the plant and get the juices flowing). I wonder how they figured that out? Maybe an animal trashed their grow and after harvest those yields and flowers were more potent. I learn something every day.

 

[safeman]

I've read that (in S. American they break and bend stalks and branches before harvest to stress the plant and get the juices flowing). I wonder how they figured that out? Maybe an animal trashed their grow and after harvest those yields and flowers were more potent. I learn something every day.

they have been growing for centruies !!!!!!! ?????

 

[BonnyM]

"1) hanging plants up-side down increase's potency ---More likely whole plant hanging slows the drying process and H20 lost therefore reduces loss of terpens\es and giving and better taste and aroma"

1000000000000000000000000000000000000000% yes!!!

 

[BonnyM]

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[ppm Charlie]

Edited were ya?

 

[Auggie]

After ALL, a comercial grower does many observations, they have a Lot of plants. But real measured science with consistent replications and patterns is crucial.

I manage a large, legal, commercial grow ... well, part of it. I'm in charge of two rooms of 109 plants each, and the cloning for the whole operation of over 1000 plants.

When I make a change in something .. ANYthing, I make sure it's just one change.

Example: If I decide to change the feeding regime, I do NOT change ph, or room temp, or Rh, or anything else. If we change two or three things at the same time, and we get great results, how can I tell what caused those results?


.

 

[ppm Charlie]

I manage a large, legal, commercial grow ... well, part of it. I'm in charge of two rooms of 109 plants each, and the cloning for the whole operation of over 1000 plants.

When I make a change in something .. ANYthing, I make sure it's just one change.

Example: If I decide to change the feeding regime, I do NOT change ph, or room temp, or Rh, or anything else. If we change two or three things at the same time, and we get great results, how can I tell what caused those results?


.

Good SOP!

 

[Zephyrs]

Here are a few interesting facts:
1) hanging plants up-side down increase's potency ---More likely whole plant hanging slows the drying process and H20 lost therefore reduces loss of terpens\es and giving and better taste and aroma
2) Allowing an extended 24-48hr dark time - Many terpenes are voliated and exaporated when light are on; keeping the plant in the dark gives these delicate terpens a chance to make it to the drying room

Ref:MJBIZ DAILY.COM

Well please correct me if I'm wrong. But from my experience, which isn't decades. I haven't seen any one discuss temperatures? But I was always under the impression that volatile terpenes evaporate at certain temperatures i.e. around 70F. I don't feel a 48 hr dark period does anything but Rob it of 2 more days of filling out n swelling.