Hell yeah Soul
Droughting and its medicinal effects in cannabis
- Thread starter Krissi Carbone
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I used to travel a lot for work. You would be surprised how many hotel employees (concierge, bartenders, busboys) can hook you up.
Yeah, most of them will happily sell you anything you want, for the right price. Not excluding their sister, apparently. But you'd find it difficult to buy their silence, so that way lies a risky path.
At least with a random stranger, there's a chance that the information he gleans from your transaction... will not figure prominently in his next one.
At least with a random stranger, there's a chance that the information he gleans from your transaction... will not figure prominently in his next one.
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- #1,204
We used to drive up to Canadian Niagra. Bring our bud to smoke on the way. Stop at the McDonald's before the border and bury it under the rocks by the flag pole in the lot.
We would then walk around the streets of Canada looking for toking looking folk to grab bud from to smoke while we were there.
On the way back we would hit McDonald's and scoop up our bud. Because of the weed protectors under the flagpole and our zip locks, rain or shine, our weed was good there for a few days while we visited
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- #1,205
Look what I found guys!
I wish I had a network to this team....
I want to know when they figure this out
I wish I had a network to this team....
I want to know when they figure this out
Someone changed the password to the account I'd... borrowed for that website, and I don't feel like hunting up another one. If you can, would you post that Tortured Soul (lol) suggests that the person do a web-search for:
...with the quotation marks? They ought to be able to read at least the abstract of the article on one of several websites (including the one where that question was posted
).
The days of tasteless hydroponic tomatoes are in the past. . . .
Code:
"Effects of NaCl application to hydroponic nutrient solution on fruit characteristics of tomato (Lycopersicon esculentum Mill.)"...with the quotation marks? They ought to be able to read at least the abstract of the article on one of several websites (including the one where that question was posted
). The days of tasteless hydroponic tomatoes are in the past. . . .
Day 6 of drought , coming along great so far. Not going to get technical just happy pics 
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- #1,208
Oh yea!!!! I knew she was gonna kill the drought! She just has the perfect stature for it! Looking amazing Burk! Can't wait to see the end result!Day 6 of drought , coming along great so far. Not going to get technical just happy pics
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- #1,209
So I listened to a talk today on YouTube I thought was quite interesting.
A professor from Emory Univerisity has been studying drought stress on plants (not cannabis, specifically but plants).
What he found, I thought to be quite useful to us and the basis for another droughting experiment. He noted that a plant that has been droughted, stores that memory of the drought. He took some plants and placed them in drought conditions. One set were droughted before and the others, not droughted previously. He then compared them to eachother after implementing another drought.
He continued to do this, droughting mothering plants and then cloning and putting them through droughts again. Each time, the plant was more resistant to the effects of the drought conditions as they actually had morphological changes over time as the plant put the droughts in its memory bank.
The plants that were exposed to drought were more robust than those that were not.
It made me think back to my 1st droughter, Ammy, a photoperiod Amnesia. I monster cropped her and her clone was so resilient in the drought it was amazing. I mentioned in here a while back that I wondered if she remembered the drought from her mom. With this research I just read, I think she did.
She was already packing on extra trichs and getting stickier than she normally would have been around the time that her drought would have began. Then by the end of drought, she was ridiculously covered.
My thought is to clone multiple times, the same plant, and see how they are each differently affected by the drought. We could be on to a really interesting super crop if we keep exposing the same plant to drought over and over again and having them get stronger because of it.
Here are some of Ammy Jr's droughted buds and she only droughted for 2.5 days.
A professor from Emory Univerisity has been studying drought stress on plants (not cannabis, specifically but plants).
What he found, I thought to be quite useful to us and the basis for another droughting experiment. He noted that a plant that has been droughted, stores that memory of the drought. He took some plants and placed them in drought conditions. One set were droughted before and the others, not droughted previously. He then compared them to eachother after implementing another drought.
He continued to do this, droughting mothering plants and then cloning and putting them through droughts again. Each time, the plant was more resistant to the effects of the drought conditions as they actually had morphological changes over time as the plant put the droughts in its memory bank.
The plants that were exposed to drought were more robust than those that were not.
It made me think back to my 1st droughter, Ammy, a photoperiod Amnesia. I monster cropped her and her clone was so resilient in the drought it was amazing. I mentioned in here a while back that I wondered if she remembered the drought from her mom. With this research I just read, I think she did.
She was already packing on extra trichs and getting stickier than she normally would have been around the time that her drought would have began. Then by the end of drought, she was ridiculously covered.
My thought is to clone multiple times, the same plant, and see how they are each differently affected by the drought. We could be on to a really interesting super crop if we keep exposing the same plant to drought over and over again and having them get stronger because of it.
Here are some of Ammy Jr's droughted buds and she only droughted for 2.5 days.
That seems like it would it more difficult to get the effects we're trying to achieve through droughting.
Did he define "more robust"? We don't want more robust plants that are less inclined to suffer with droughting, do we? Isn't it the struggle with drought that triggers the increases in cannabinoids?
scottreid1966
Well-Known Member
Hello, Krissi! Long time no chat.So I listened to a talk today on YouTube I thought was quite interesting.
A professor from Emory Univerisity has been studying drought stress on plants (not cannabis, specifically but plants).
What he found, I thought to be quite useful to us and the basis for another droughting experiment. He noted that a plant that has been droughted, stores that memory of the drought. He took some plants and placed them in drought conditions. One set were droughted before and the others, not droughted previously. He then compared them to eachother after implementing another drought.
He continued to do this, droughting mothering plants and then cloning and putting them through droughts again. Each time, the plant was more resistant to the effects of the drought conditions as they actually had morphological changes over time as the plant put the droughts in its memory bank.
The plants that were exposed to drought were more robust than those that were not.
It made me think back to my 1st droughter, Ammy, a photoperiod Amnesia. I monster cropped her and her clone was so resilient in the drought it was amazing. I mentioned in here a while back that I wondered if she remembered the drought from her mom. With this research I just read, I think she did.
She was already packing on extra trichs and getting stickier than she normally would have been around the time that her drought would have began. Then by the end of drought, she was ridiculously covered.
My thought is to clone multiple times, the same plant, and see how they are each differently affected by the drought. We could be on to a really interesting super crop if we keep exposing the same plant to drought over and over again and having them get stronger because of it.
Here are some of Ammy Jr's droughted buds and she only droughted for 2.5 days.
Very nice posting, looking forward to my first drought endeavor and now even more so.
What perplexes me is that if you clone AFTER drought, you are well into flowering stage. I've read that you can re-veg the flower but I didn't think that you could do it that late in the flowering
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- #1,212
I am basing this off of the fact that we have 1 study, 1 experiment we are working with. How do we know that cloning a droughted plant wouldn't produce a more drought friendly plant with the 'memory'of increasing trichome production at X amount of time in development to protect itself like its mother had prior?
Robust in higher yields from the previously droughted plants in comparison to those whose mothers were not droughted. He also noted that they were healthier and more vibrant plants as well.
I know this was not a cannabis study and also a far reach but I don't think we really know anything about droughting and what we can accomplish with it. One study got us here. I want to know what I can do, on my part, to keep trying things.
Maybe it won't work. Maybe it will be counter productive. Maybe it will negatively affect the way the cannabis plant handles the drought. Maybe it will not ramp up production of trichomes.
My Ammy Jr was the only thing close to a comparison I could give. Ammy Jr was one of the strongest sticks to plant I've seen, especially considering the buds she produced comparatively speaking to her mother.
I'm just willing to try it. I don't know the exact science on it and I'm taking this like I take my grows in general, a lot of people think I have no idea what I'm doing because I couldn't tell you the science behind half of it that you all know. But I make it work. Better than that. I think I make it work pretty well.
I'm not saying this is a great idea, I'm saying it is an idea that is worth a shot.
Here's to trying new things
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- #1,213
Hi buddy. It's called a monster crop and generally isn't done as late as I did mine. To be honest Scott, idk how my stick became what she did. I had no idea what I was doing, no prior experience with even regular cloning. This is why I think heck, anything I see that seems like a well maybe, I feel like I have to at least try
This may tie into some of the previously linked studies and their observations of diminishing returns on repeated droughts, and the need for longer droughts to have the same effect.
For example a plant that has adapted to drought conditions may take 22 days of drought to show the same effects as a plant experiencing drought for the first time would at 11 days. It's the stress/survival response that triggers the increase in resin production, and a plant that's used to being droughted will be less stressed about it. "No big deal human... I've done this before."
This makes the old guerilla in me think repeated droughts in veg would be an excellent training/hardening off technique for plants that will be moved outside to a location where you maybe couldn't be there to water them regularly.
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- #1,215
I would venture to think the length of time of drought would change and maybe even when we drought or how often
See my thought here is that the plant may (remember we don't know either way cause it wasn't tried on cannabis YET) say to itself hey, let's ramp up in case that shit happens again, the seeds are protected. Cause that's what this is mainly for right? Ramping up to protect the seeds the plant feels are in jeopardy. If we train clones to constantly think this is going to happen, maybe, just maybe, they will continuously amp up production. But hell, maybe they won't cause they know they don't really need to and they'll make it and the plant will change it's overall dynamics like in the phenotypic plasticity/morphology experiment where the plant began to develop aerial leaves submerged in water and vice versa when continuously put into extenuating circumstances. Maybe we won't see a change in trichomes but a change in shape or leaf design. Either way, I don't know cause I haven't tried and I'm gonna guess no one else has either since we haven't heard about it.
I appreciate this. I appreciate ALL AND ANY insight here guys and gals. We won't know til we try and there's so many "I wonders" roaming around
Here's the link again to the previous study, and here's the excerpt from the conclusion about repeated drought stress:
"Conclusions
This study suggested that in cannabis, timing of controlled drought stress during the flowering stage influenced the concentration and yield per unit growing area of some terpenoids without reducing growth or yield. Earlier drought stress, during weeks four or five of the flowering stage increased the yield of linalool and cis-ocimene but decreased yield of caryophyllene. Later drought stress, during week six or seven of the flowerings stage, increased the yield of alphabisabolol and trans-ocimene. Intermittent drought stress did not increase secondary metabolites 133 or yield more than single drought applications suggesting that repeated stress may not be useful to increase cannabis secondary metabolites. Controlled drought can be effectively applied in cannabis through measurements of leaf wilting, but the duration of the stress must be considered as time to wilting can vary by root zone and environmental conditions such as pot size and changes in VPD in the growing environment. Further research is required to determine optimal duration of drought stress, subsequent acclimation, and the effects of drought on other chemovars or varieties of cannabis."
Like you said, the world still needs a lot more data to work with, and this study wasn't large enough to be conclusive.
As for long term effects on plant morphology perhaps all we need to do is look at nature. She has been growing plants a lot longer than we have, many in harsh/dry/drought prone environments. For instance landrace strains from the Hindu Kush region:
That would be an excellent result, and I look forward to the tests.
We don't know, but that's not what he studied. He also probably didn't study a plant that is droughted just before it dies like ours. Any experiment on cannabis would need to have you reveg the droughted plant after harvest and then cloned and reflowered, and the process repeated to gauge successive droughts.
There's obviously nothing wrong with healthier and more vibrant, but neither of those two things, nor higher yields, are our goals with droughting though. Definitely things we want though!
One study done in a lab under controlled conditions with access to expensive cannabinoid testing. It's only because of any of that many folks will listen to the results, otherwise it's more anecdote, conjecture, opinion, and potential bro-science.
Maybe, but each cannabinoid test costs me $75 and that looks like you would need to do a lot of testing before you could make any conclusive statement. I'm all for doing research as long as the research is legit. None of us has actually re-run Caplan's tests to see if we are close to replicating his results.
True, which could mean that instead of 11 days of drought it might take 22 to get the same result. How would that benefit us when we can do it in less time.
That would be an excellent use for this technique if it worked as you describe it!
If only we had millions of dollars, thousands of square feet of grow space, and our own testing labThat would be an excellent result, and I look forward to the tests.
We don't know, but that's not what he studied. He also probably didn't study a plant that is droughted just before it dies like ours. Any experiment on cannabis would need to have you reveg the droughted plant after harvest and then cloned and reflowered, and the process repeated to gauge successive droughts.
There's obviously nothing wrong with healthier and more vibrant, but neither of those two things, nor higher yields, are our goals with droughting though. Definitely things we want though!
One study done in a lab under controlled conditions with access to expensive cannabinoid testing. It's only because of any of that many folks will listen to the results, otherwise it's more anecdote, conjecture, opinion, and potential bro-science.
Maybe, but each cannabinoid test costs me $75 and that looks like you would need to do a lot of testing before you could make any conclusive statement. I'm all for doing research as long as the research is legit. None of us has actually re-run Caplan's tests to see if we are close to replicating his results.
True, which could mean that instead of 11 days of drought it might take 22 to get the same result. How would that benefit us when we can do it in less time.
That would be an excellent use for this technique if it worked as you describe it!
.
Interesting stuff, which I have been toying with too
Not convinced droughting at the very end is the best idea apart from making drying easier, so I have tried a short drought around week 5/6 to see if I can induce the trichomes earlier, so they have more time to resin/ripen
The Indica phenotype responded better than the Sativa, but still not convinced it makes much difference
Not convinced droughting at the very end is the best idea apart from making drying easier, so I have tried a short drought around week 5/6 to see if I can induce the trichomes earlier, so they have more time to resin/ripen
The Indica phenotype responded better than the Sativa, but still not convinced it makes much difference
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- #1,220
THIS though @InTheShed. If only we had all of this, it would get me to stop watching videos of a canna life that could be. I'm a test monkey. I'll be the test monkey for all these crazy ideas I think may work lol be funny to see me start trying to clone all the time since I've only done it once...I'm gonna end up with another room just for cloning experimentsIf only we had millions of dollars, thousands of square feet of grow space, and our own testing lab
You know what Grow, I appreciate you looking into it and thank you for giving us another check marker in the Indica/Sativa phenotype discussion. It's refreshing just to know that there are so many others out there willing to experiment with me despite how much of a newb I am and how much 'newbery' is here in the drought club.
Sorry for my delayed response guys. As I posted I received a text from TKs Aunt berating my growing and giving me the whole anti-weed schpiel. It was unnerving and I needed to focus on keeping myself level headed and had to step away from the conversation-wasn't my intent to leave in the middle.
Cheers guys and gals