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Heat Stress or Nute Burn?

Amp

New member
Ok......thats what I think also however can anybody tell me whats going on here? The First pic is of my "healthy" plants this one is the runt that I saved for very early on nute burn. Its doing much better however the top has a strage color. I haven't seen this before, what does it look like.
 

Blackmelo

Active member
it doesn't look like heat stress.

Just a heads up about ur first pic. Do not pot two plants in 1 pot. You will soon realize this was a mistake however when you have realized it will be too late. I am giving you the heads up now before you have to break your roots apart causing alot of damage.
 

Amp

New member
The soil ph is 6.7 in this pot so the soil is fine , and as far as two plants in on pot I'm well aware of the consequences opf having two plants in on pot. However these plants are not getting transplanted the only time there getting moved is when I sex them and/or harvest. Here are some more pics.....





 

Amp

New member
Here are a couple of the runt the first to are on 4-13 and the last is on 4-17.
She looks like she is doing better however how whould you recomend speeding her grow to "normal" size?

4-13


4-13



4-17
 

Amp

New member
??:chin: What makes you say that?? I wait till the soil is almost completely dry. I have a moisture tester. Also sometimes I don't even water I let the rain do the work.
 

MTF-Sandman

OG Refugee
Veteran
The reason they're so slow is that they're sitting in water. Next time, start them in MUCH smaller containers and transplant them as they grow. Having a huge container of soggy soil for a small plant is a sure fire way to stunt growth.
 
i'd also like to ask something about heat. If there's 30 degrees celcius outside then what's the temperature in greenhouse ca? Close to 40?.. will the plants survive the temperature?
TIA
 

Blackmelo

Active member
mtf you say huge centainers..

They look like 5 liter pots to me if I am not mistaken.

That is pretty small for flowering out 2 plants. They are going to get rootbound and yields are not going to be great at all...
 
Greetings.

Some interesting observations in this thread and a stellar collective effort. If I may, here are my observations:

The symptoms expressed are the result of the combination of overwatering (and its ramifications) and the plants' attempted acclimatization to direct sunlight (they were exposed too quickly, to too high an intensity).

may be nute stress.. but its probably related to ph drift IMHO....WAMEN
This is derivative of overwatering, especially in soil.


you are watering way too fast by the way....stealthballer
An experienced eye can discern this from the evidence of the accumulation of perlite on the medium's surface. This accumulation indicates the 'pooling effect'. Where the rate of water poured into the container, is greater than the rate of diffusion into the medium (and subsequently drainage out of the medium). The 'flushing' of perlite from the soil, coupled with already wet conditions, creates a low oxygen environment where plant growth is stunted.
(See link A below).

Recommended is a steady/slow watering until soil drench and the appropriate runoff is achieved.


The reason they're so slow is that they're sitting in water. Next time, start them in MUCH smaller containers and transplant them as they grow. Having a huge container of soggy soil for a small plant is a sure fire way to stunt growth....MTF-Sandman
As usual, MTF-Sandman cuts right to the core issue and lends the type of advice that only experience can own.
(See link B below).

Sincerely,
Charles.

p.s. Provided are two links to a forum that may be of use to the initiate cultivator. Reefer World is another valuable resource that the cannabis community should employ.

Link A:
https://www.reefermanseeds.com/forums/showthread.php?t=8087

Link B:
www.reefermanseeds.com/forums/showthread.php?t=6308

C.X.
 
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MTF-Sandman

OG Refugee
Veteran
Blackmelo said:
mtf you say huge centainers..

They look like 5 liter pots to me if I am not mistaken.

That is pretty small for flowering out 2 plants. They are going to get rootbound and yields are not going to be great at all...

The problem is the pots are too big for them right now...a plants root system will end up just following the edges of the pot leaving a large unused soil pocket in the center of the pot. If you started off in say 3 or 4" containers, then transplanted right before they got rootbound into 1 gallon containers for a couple weeks then again to 2 or 3 gallon containers for flowering, the root system would be much healthier and robust - and able to support alot more bud growth.

When the root system is undersized for the container, it'll take the plant too long to remove the moisture from the soil...this can be beaten by knowing exactly how much to water and watering that amount ever 2-3 days, but it's not near as easy to maintain that correct ballance of wet/dry IMO with the larger pots.
 

Amp

New member
Update

Update

Heres an update on the pants which seem to be doing fine. BTW the reason the perlite looks like that is because I leeched the soil when I thought I over fed the plants. The leeching cause the some perlite to rise to the top.






 

Amp

New member
I don't know the size of the containers liters/gallons but here are some pics maybe you can tell me.


 

Amp

New member
I'm plaining on sexing the plants this weekend. If the two in the same pot are female I will give them there own containers. If one is male I will just remove the male. I want to do it before the roots grow together.
 
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