New leaf problems

K

KwackmanBKK

Hey,
 
I hope someone where can point in the correct path to help this plant. 
It all started with the plant losing all the leafs so I cut it back and new growth have started but all the leaves are super small and curly,
 
Is it calcium deficiency or something else? 
 
Plant is growing indoor in a tent with humidity around 45-55%, 30-35 degrees celsius, 330W LED light (From outlet) in growth mode, Coco coir and perlite mix. 
 
Very thankful for help!
 
 
 

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What nutrients are you feeding them, and what's the pH? If your using distilled or ro water you may need a cal/mag supplement.
 
Looks like you have a pretty well developed base on the plants. The stalks and stems look thick.  So, how was the plant doing before the day/time when the leaves started to fall off ???  Looks to me like it was doing pretty well eh.
 
In hydro, perhaps the pH got WAY out of whack and that's what nearly killed the plant.  That's just my guess.
 
The new leaves look green and healthy.  I've had the crinkled leaves before and I attribute that to having the ppm of the nutes too high.  May also have to do with the lights.  LED spectrum isn't very close the natural sunlight even though the LEDs can have the correct wavelengths of light for growth and flower.  Of course I can't prove that statement but I've had leaves that look like yours while under intense LED. Maybe you could raise the lights away from the plant for a while and see what happens.
 
Otherwise go back to your old setup and keep an eye on that pH  :P
 
Happy Growing !!
 
Jeff
 
Hafners said:
What nutrients are you feeding them, and what's the pH? If your using distilled or ro water you may need a cal/mag supplement.
Click to expand...
 
Im using General Hydroponic (Micro,Flora,Bloom) once a week. (Recently repotted the plant from 20l(5gal) to 65l (17gal) and went from perlite/soil to coco coir/perlite. But the plant still had problem with losing leafs. I did have around 30 fruits on the plant at that time also.
Regarding pH I dont know, Ill get tool to check that in a few days.
 
MNXR250R said:
Looks like you have a pretty well developed base on the plants. The stalks and stems look thick.  So, how was the plant doing before the day/time when the leaves started to fall off ???  Looks to me like it was doing pretty well eh.
 
In hydro, perhaps the pH got WAY out of whack and that's what nearly killed the plant.  That's just my guess.
 
The new leaves look green and healthy.  I've had the crinkled leaves before and I attribute that to having the ppm of the nutes too high.  May also have to do with the lights.  LED spectrum isn't very close the natural sunlight even though the LEDs can have the correct wavelengths of light for growth and flower.  Of course I can't prove that statement but I've had leaves that look like yours while under intense LED. Maybe you could raise the lights away from the plant for a while and see what happens.
 
Otherwise go back to your old setup and keep an eye on that pH  :P
 
Happy Growing !!
 
Jeff
Click to expand...
 

Yeah the plant is about 1 year old now, It have been a reaaaaally slow growing plant, started inside, took it outside, started to grow really good, then it started to drop a lot of leafs but a lot of fruits started to pop up..
 
Could be pH problem, I do know the water is not great but its that or buy water from 7-11.. But maybe thats the way to go..
 
Yeah the new leaves looks okay in color but very small and curly... Could be the light.. Maybe I did go for a bit too intense LED.. My seedlings are looking good under the light but they further away from the light... I have raised the light to the very top of the tent so lets see if it does help, I could also cut back the plant way more than I did to get it "further" away from the light.
 
Grr... I dont wanna have the plant outside, the freaking monsoon rain is ripping the plants apart :(
 
I would guess its a cal/mag deficiency combined with transplant shock, and not enough airflow. Besides, its normal for older leaves to drop, especially under artificial light that doesn't penetrate to all the lower leaves.
 
Hafners said:
I would guess its a cal/mag deficiency combined with transplant shock, and not enough airflow. Besides, its normal for older leaves to drop, especially under artificial light that doesn't penetrate to all the lower leaves.
Click to expand...
 
Airflow shouldnt be the problem, have big fan blowing on the plant.
Ill check where i can find cal/mag to add to the plant and hope it does recover.
 
Thanks!
 
What is the possibility that the plant gets too much light?
I did notice some of my seedlings had the leaves straight up in the air and I just saw some old reddit post regarding this and someone suggested to raise the light.
 
Could it be the light I have is too strong and on for too long time? Could the plant get "enough" and curl to protect the surface?
 
The light I have is a Mars Hydro Cree 256 https://www.mars-hydro.com/led-grow-light/mars-pro-ii-led-grow-light/buy-mars-pro-ii-creeleds256-led-grow-light-forsale in a 48''X48''X80''  (120 x 120 x 200cm) tent.
 
 
KwackmanBKK said:
 
Im using General Hydroponic (Micro,Flora,Bloom) once a week. (Recently repotted the plant from 20l(5gal) to 65l (17gal) and went from perlite/soil to coco coir/perlite. But the plant still had problem with losing leafs. I did have around 30 fruits on the plant at that time also.
Regarding pH I dont know, Ill get tool to check that in a few days.
Click to expand...
 
pH is one of the most important parameters for horticulture. get yourself a pH meter or test kit. adjust your pH first then see if you have deficiency of any nutrients because pH alone can make some nutrients unavailable to plants even if they are in the hydroponic solution.
 
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