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Stop Watering Before Harvest

BearBuds
BearBudsstarted grow question 3 years ago
My flush is going a slower than anticipated and I still have some green with only two days left. I am wondering, does anyone not give water for about 24 hrs before harvest? I am planning on letting them dry out a little but I may need that extra day thoughts?
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Week 12
Techniques. Other
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NobodysBuds
NobodysBudsanswered grow question 3 years ago
minerals aren't stored in buds (proven by research that a flush does nothing relative to mineral content of buds), so don't worry if you don't get a full fade. If it's sucking from leaves, it's not "overfed" which is the primary concern, if any. an extra day isn't going to make much of a difference. So, have fun if you want to. Plants generally maintain the same water content -- rate of transpiration is cuase of drinking more or less (ignoring growth, but proportional to that too). if it wilts, no matter if you apply "good" stress it's not going to going to be generating much cellular growth with a lack of water, ignoring nutes for a bit due to timeframe and leaves having enough to provide for short term. Even less with non-green leaves unable to produce enough ATP. (krebb's cycle) if the plant is about to wilt or wilting, it may speed up drying time but otherwise, the plant will still be ~80% water. If a faster dry is needed due to extremely high humidty environment or similar context, then sure... might be a good idea. i'd sugges the KISS principle.. "Keep It Simple, Stupid." Not much growth can occur in 24 hours anyway... 24-36 hours of darkness before chop can increase trichomes on outside of plant -- essentially you keep what would normally evaporate from heat/light. there is research that backs that up. still what can happenin 24 hours is a very small piece of the total pie for a plant that took ~8-9 weeks to form the buds. about the 24-36 hours -- incomplete research.. for example.. what is lost in that darkness? each day a pot plant doesn't get the minimum DLI to maintain mass, it shrinks... it loses mass. Just as we lose mass if we stop eating for a day. the existing research made no attempt to quantify cost of the extended darkness. the increase of THC% could be augmented artificially by the denominator (total mass) is also shrinking over that time. so, it's kinda double dipping on the percentage calculation without accounting for the loss. There's so much trash out there... if there's no comparison to a control group, it's hard to have confidence. ppl often think what they do has a positive effect regardless of any reason to come to that conclusion.
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Hashy
Hashyanswered grow question 3 years ago
You can flush for as long as you want. Some plants I have done in the past had ph water for 20 days before harvest. I usually stop 24hrs before I harvest.
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Chow_13
Chow_13answered grow question 3 years ago
I have not seen any scientific proof but It seems to work for many growers. How long is the question. Stop Watering 1-3 Days Before Harvest – After flushing, in the final days of harvest, you can further stress your plants by stopping watering. You want to allow the plant to start to wilt just a small amount, because then the plant “thinks” it is dying and as a last-ditch effort, it will increase resin development. The idea is to withhold water so the plants have a stress reaction like they do when a drought may be coming. They divert all their resources to reproduction, which results in bigger fatter buds.
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