Anyone had a plant with very noticeable circadian rhythm?

VincenzioVonHook

VincenzioVonHook

Well-Known Member
xtsho said:
I understand.

I did go take a peek inside the tent though and I was surprised to find that they were actually having a party so I joined them.

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im afraid if i don't get a timer soon im going to be left with some type of lingering crack like habit of needing to check my plants twice a day to turn lights on and off, some days 3x a day if i do a Pest check and water .

Bruh. Speaking of partying with plants. i literally had a little tree house leftover from last residents kids at my last place, up in a big gum tree. I would actively climb up there and have a beer and cone after work. A literally party with plants. I found it strangely peaceful up there in the breeze, and i had a butcher bird that used to visit that i would feed, but from the outside the neighbors probably saw it as a 32 year old loser getting fucked up in a kids tree house until lol.
 
VincenzioVonHook

VincenzioVonHook

Well-Known Member
Really the end of the day, the plants fine for the vast majority of the day so I should stop being a pussy and just let it grow lol. Turned the light on at 5:45 and it was fine.
IMG_20220125_134814.jpg
 
GanjaJack

GanjaJack

Well-Known Member
It's just transpiration, the plant has stomata... the stomata opens and closes, it opens during the day and closes at night.(Or I may have that backwards.)

When it opens, the leaves stand up and are "happy"...

When it closes, the leaves are drooped and are "sleeping".

Description of Stomata ; Stomata are composed of two guard cells. These cells have walls that are thicker on the inner side than on the outer side. This unequal thickening of the paired guard cells causes the stomata to open when they take up water and close when they lose water.

The action of them opening and closing is what is making your leaves stand up during the day and droop at night as it TRANSPIRES water through the stomata.
 
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Nutty sKunK

Nutty sKunK

Well-Known Member
VincenzioVonHook said:
The last few plants I have grown all stayed praying during lights off, and sometimes stood up more over the first few hour of darkness. They also began to perk up just before lights on.

My latest AK has a very pronounced cycle. When lights first turn on, it is droopy as hell. Over 30-45 mins it will start to pray. About the same interval before lights off, it will do the exact same but in reverse. Just wondering if this is related to light accumulation in any way? Plants under a 120w QB in a 2.3x2.3 at 17". 850umol/s in the hot spot, about 500umol/s at pot level. 18/6. Also first plant I've seen the top leaves close up a few mins before lights out....every day.

8:30pm. Starting to droop.
View attachment 5073124
9:00pm (five mins before lights out)
View attachment 5073125
Leaf closing a few mins before lights off.
View attachment 5073126
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From what I gather it’s a case of water pressure being diverted to the root mass.

When flower properly gets going they don’t drop as their primary focus has shifted from roots to fruits
 
Nutty sKunK

Nutty sKunK

Well-Known Member
GanjaJack said:
It's just transpiration, the plant has stomata... the stomata opens and closes, it opens during the day and closes at night.(Or I may have that backwards.)

When it opens, the leaves stand up and are "happy"...

When it closes, the leaves are drooped and are "sleeping".

Description of Stomata ; Stomata are composed of two guard cells. These cells have walls that are thicker on the inner side than on the outer side. This unequal thickening of the paired guard cells causes the stomata to open when they take up water and close when they lose water.

The action of them opening and closing is what is making your leaves stand up during the day and droop at night as it TRANSPIRES water through the stomata.
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If that’s so why do my flowering plants never droop before lights out?
 
GanjaJack

GanjaJack

Well-Known Member
Nutty sKunK said:
If that’s so why do my flowering plants never droop before lights out?
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More than likely I think that is because of the resin glands/resin that harden the leaf that prevent it from being so flexible. Also leaves tend to get thicker and less flexible mid flowering and towards the end of flowering. To the point where they "snap" in half rather than "tear".
 
VincenzioVonHook

VincenzioVonHook

Well-Known Member
twentyeight.threefive said:
Have you considered a magnesium deficiency? Sorry that doesn't address you initial question but it's something you should look into.
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I'd considered that looking at some of the top leaves, especially two or three nodes down. The mild variagation makes it look worse as well. It's in a pretty half ass amended mix so I'll probably look into a feed regiment soon as it's pre flowering pretty heavy now.

Shot with light off
IMG_20220126_112829.jpg
 
Kassiopeija

Kassiopeija

Well-Known Member
yeah there's something going on with these irregular patches around some of the leaf-margins and the new growth already show these tips and slightly wrinkled, maybe something with pH affecting micros...

as to the petiole angle, it may be multi-factorial, with different internal pressures... accompanied by transpiration is photosynthsis which will also generate pressure-->fill up "leaf storages"... but rising of this angle can be seen & measured also before lights on although plants circadian rhythm isn't precise so -+1h is real
sick plants kills this, e.g. make a mistake with synth nutes (heavy overfeeding) and whole plant will droop that can be easily attributed to turmoil of osmotic root pressure... heck, even inverse flow of nutes is possible if EC exceeds a certain (abyssmal toxic) charge....

and yes, some plant open stomata at night instead of day (not Cannabis) think of Cactus in desert to prevent loss of water in the heat
 
VincenzioVonHook

VincenzioVonHook

Well-Known Member
Kassiopeija said:
yeah there's something going on with these irregular patches around some of the leaf-margins and the new growth already show these tips and slightly wrinkled, maybe something with pH affecting micros...

as to the petiole angle, it may be multi-factorial, with different internal pressures... accompanied by transpiration is photosynthsis which will also generate pressure-->fill up "leaf storages"... but rising of this angle can be seen & measured also before lights on although plants circadian rhythm isn't precise so -+1h is real
sick plants kills this, e.g. make a mistake with synth nutes (heavy overfeeding) and whole plant will droop that can be easily attributed to turmoil of osmotic root pressure... heck, even inverse flow of nutes is possible if EC exceeds a certain (abyssmal toxic) charge....

and yes, some plant open stomata at night instead of day (not Cannabis) think of Cactus in desert to prevent loss of water in the heat
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The off colouring is genetic variagation. It's been steady throughout multiple runs of these. You can see it on the earlier pics especially. Add to that a weak medium and it's looking a bit pale.

Lights off pic above
 
Star Dog

Star Dog

Well-Known Member
VincenzioVonHook said:
The last few plants I have grown all stayed praying during lights off, and sometimes stood up more over the first few hour of darkness. They also began to perk up just before lights on.

My latest AK has a very pronounced cycle. When lights first turn on, it is droopy as hell. Over 30-45 mins it will start to pray. About the same interval before lights off, it will do the exact same but in reverse. Just wondering if this is related to light accumulation in any way? Plants under a 120w QB in a 2.3x2.3 at 17". 850umol/s in the hot spot, about 500umol/s at pot level. 18/6. Also first plant I've seen the top leaves close up a few mins before lights out....every day.

8:30pm. Starting to droop.
View attachment 5073124
9:00pm (five mins before lights out)
View attachment 5073125
Leaf closing a few mins before lights off.
View attachment 5073126
Click to expand...
Wow thats a fair mess, how did you manage to get it looking so good bad, ph drift?
 
VincenzioVonHook

VincenzioVonHook

Well-Known Member
Star Dog said:
Wow thats a fair mess, how did you manage to get it looking so good bad, ph drift?
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No idea lol. I'd say terrible medium and no feed. Add to that 35c temps and it's living the dream as you can see.

It's not drooping any more, but be fucked is it slow. Popped just before new year and it's only here lol.
IMG_20220215_185545.jpg
It's literally in reused medium from my chilli's quarter ass amended without a re-cook lol. I'm surprised it's not dead. It hit 39c in the tent yesterday.
 
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VincenzioVonHook

VincenzioVonHook

Well-Known Member
PadawanWarrior said:
Ya, I was gonna say check pH too, just didn't feel like editing my post, lol.

If he fed the soil the right shit it would clear itself up.
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It's not really critical. Still got like a pound left from the last run and wanted to see what the worst medium and environment could produce. More one of those "I'll start this until me seeds get in".

Was thinking about just pulling it due to the terrible start, but I figured I'd torture the shit out of it first and see when the worst medium and feed will start running the bottom leaves dry.
 
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