How to speed up ripening?

[FarmerWilly]

I'm wondering if there's something I could do to speed up ripening besides just growing in optimal conditions?

I've heard that ethylene is responsible for ripening process to occur.

So I got this idea: what if I close all ventilation at night and control humidity with dehumidifier? I theory that might make ethylene to build up. It's because plants generate CO2 at night and anything above 600ppm or something like that increases ethylene synthesis.

Does it make sense? I'll try to find that info I'm talking about.

 

[RockinRobot]

You can run 11 on 13 off on lights to help speed up ripening. You'll give up a little weight but not bad. I do this on my sativa dominant strains.

 

[FarmerWilly]

Hmm... Canna says otherwise on its feeding schedual: "Reduce hours of light if ripening goes too fast." There's written 10-12 hours of light for the last 2 weeks.

 

[Spinme]

Molasses and proper flush /

Molasses and proper flush /

Molasses and a proper flush/ timing when to stop nitrogen feeds speeds it up quite a bit

 

[hush]

Manipulating the light schedule would work, at the expense of yield. It is true that you could go with a 11/13 or 10/14 lighting schedule, but the amounts of flowering time that would shave off would probably be negligible. Instead, what you would want to do is shorten the day lengths, but continue giving 12 hours of darkness. So, if you can find a timer that would allow you to program it properly, you could give your plants 6 hours of light and then 12 hours of darkness, effectively reducing its circadian rhythms from 24 hours to 18 hours.

But that would come at a huge decrease in yield. They would only be photosynthesizing half as much as normal.

 

[MJPassion]

I'm wondering if there's something I could do to speed up ripening besides just growing in optimal conditions?

I've heard that ethylene is responsible for ripening process to occur.

So I got this idea: what if I close all ventilation at night and control humidity with dehumidifier? I theory that might make ethylene to build up. It's because plants generate CO2 at night and anything above 600ppm or something like that increases ethylene synthesis.

Does it make sense? I'll try to find that info I'm talking about.

I'm pretty sure if you increase the ethylene content of your grow space you run the risk of causing your plants to stress and throw nanners.


Male/Female is largely determined by XX/XY sex can be manipulated by using/blocking ethylene production in the plant.
Silver is an ethylene blocker and is the reason STS and/or colloidal silver is used for manipulating females to produce pollen.

 

[burmese]

i am sure, that cannabis is in night ,,neutral plant,, so no CO2 or O2 in night,

 

[jayd]

i use GH RIPEN but i only grow in soil. not sure how it works/tastes in other mediums but it says can be used in all growing mediums

 

[Jammal]

Temp and energy.

. genetics is the best place to get this trait

 

[grayeyes]

Speed up ripening?

SSssshhhhhhh, here's the secret [get in the car and go to the dispensary. Ready to smoke out the door]

 

[St. Phatty]

Singing to the plant

may not speed up ripening

but it passes the time.

 

[lusus]

A friend of mine used to work in hydroponic tomato farm in the Netherlands, tending to the plants and picking. This in big polytunel greenhouses!
Anyway, she mentioned that sometimes if they had to fulfill a big order and didn't have enough ripe tomatoes they did something that would ripen all the tomatoes in a greenhouse overnight.
She didn't know what was done because it was above her pay grade. But they would send all the staff home and the next morning they'd come back to a red ripe for the picking crop of tomatoes.
I can't tell you what the process is but I think the answer to your question might be in the hands of Dutch farmers.

 

[exploziv]

Maybe ethylene gas? Dunno if it works with cannabis, but even for tomatoes I think it's just a gimmick that will make tomatoes look and feel ripe, without evolving the taste and smell as it would with a natural cycle of ripening on the vine.

 

[St. Phatty]

Different plants need different light cycles to get flowering started.

I have one Sativa dom Blue Headband cross that continues stretching - with only 1 or 2 pistils per bud site, almost 3 weeks into August.

The plant next to her has about 10 pistils per bud site and is acting the way I'm used to.

In other words, tightening up the light cycle can persuade some outdoor plants that respond to 11 hour dark cycles by continuing to veg & stretch.

11 hours of light + 13 hours of dark = light cycle no plant can ignore.

Just give them lots of TLC during both light cycles.

 

[negative37dBA]

It is common place in the produce industry to "gas" bananas to ripen them quickly. My dad was manager of a large produce supplier in the US. They had special rooms to seal them off and gas them up.... It was ethylene they used. Just so you know......
Peace, negative.

 

[Mr. J]

I don't know, but I think that the "ripening" of flowers growing on a plant and the ripening of a banana on its way to market are probably two completely different things. The "fruit" of a cannabis plant are the seeds. I don't think ethylene will do anything to make a growing flower finish development faster, and it certainly won't make a harvested bud ripen more than it already is.

Like someone else said earlier in this thread, the only way to do it is to change the length of a day, for example if you had a 6 on 12 off cycle effectively reducing the length of the entire cycle by 25%.

 

[budsicles]

The "fruit" of a cannabis plant are the seeds.

Not really....the fruit is the ovary surrounding the seed. Do you call apple seeds the fruit of a fruit?
I don't know if ethylene influences cannabis maturation, but it definitely influences a wide variety of plants.


EDIT....found this in an older thread...

Co2 enrichment till the last 2 weeks will shorten flowering time and help yield a bit
products like bushmaster, dr nodes or mega bud will also speed them up but with a small reduction in potency.

https://www.icmag.com/ic/showthread.php?t=207790

 

[Mr. J]

Not really....the fruit is the ovary surrounding the seed. Do you call apple seeds the fruit of a fruit?
I don't know if ethylene influences cannabis maturation, but it definitely influences a wide variety of plants.

Ya maybe you're right about the fruit thing technically but I still think everything else I said was accurate enough. I haven't tried it but I seriously doubt that enriching your grow with ethylene will make your buds/resin glands mature more quickly. Maybe someone should try it. I won't though.

 

[Douglas.Curtis]

Add far-red light (730nm?). Run it for 10 minutes by itself after lights out.

Combine this with an hour shorter on light hours and you'll harvest at least a week earlier, maybe more.