Help with this leaves. What's going on?

Odaenathus · Sep 15, 2020

Hi mates,

Suddenly, one of my G13 Haze is showing this symptoms and I have no idea what it is. I need your help.
Thanks in advance.

ncalgrower · Sep 15, 2020

Soil? Hydro? Have you been checking your Ph?

One drop · Sep 15, 2020

Have you sprayed them with anything?

BurnzYzBudZz · Sep 15, 2020

How’s temps and humidity been?

Odaenathus · Sep 15, 2020

It's soil and I always check both pH and EC. I'm near the coast, so humidity is changing constantly, now (3~4 days) we are with a low humidity ratio. A couple of days ago I noticed a very little colony of red spider mites so I decided to spray (just a little) with a water/neem oil combo to avoid it's propagation. But it's not the first time I do this and I've never saw those symptoms.
It seems to affect the smaller leaves near the trunk first. Then, in the colas it affects many leaves unevenly, all this too fast.
Would be astonishing that the cause of this was the sprayed water with neem.
I'm watering at pH 6 ~ 6.5 and EC 1 ~ 1.3 until today, that I've started with a EC 1.5. It's my first time with this strain and I don't really know how to deal with.
Thanks for your time. I will keep updating this if it advances.

Edit: temps are 25 ~ 18. When humidity is high I have a couple of fans to remove the air inside the little greenhouse where I have them.

ncalgrower · Sep 15, 2020

Are you growing in ground or in pots? In ground can help balance ph issues somewhat, but if you are in pots, you need to make sure you're watering with ph balanced water. Do NOT rely on checking runoff ph as it won't be accurate in pots with soil.

Odaenathus · Sep 16, 2020

In 100L pots. That's what I do, I don't usually take runoff pH lectures, always before watering I check pH and EC levels with Milwaukee devices. Let's see if I can do a runoff because the pots are big and the space reduced.
Thanks for your time.

Flexnerb · Sep 16, 2020

Odaenathus said:
In 100L pots. That's what I do, I don't usually take runoff pH lectures, always before watering I check pH and EC levels with Milwaukee devices. Let's see if I can do a runoff because the pots are big and the space reduced.
Thanks for your time.

Do your leaves fall off easily? Or do you have to pull them off with a lil difficulty?

Do any of your petoiles snap easily in between the base to the part where it connects to the leaf blades?

Any branches snap easily? Whenever ive had nutrient flow restriction these symptoms accompanied your leaf symptoms you have.

My issue was overwatering which caused either root issues and/or microbe attacking plant issue..

Id like to see a full pictures of your plants....hook it up

Odaenathus · Sep 16, 2020

Hi again,

Leaves that are healthy show a little resistance when being pulled, but I would say not the enough resistance I expected. Didn't check petioles, neither branches, sorry. Whatever it is I will keep your advices on mind. I think is something related with the watering; overwatering, under / over fertilize, I really don't know. Here, some pics and sorry for the angle but the greenhouse is adjusted for the plants and I can't take clear full pictures.

For the next season I will improve my pots and some devices to meter the humidity in soil. For this time I watered a couple of days ago with 1.5 EC to avoid some nutrients lack and will leave her some days more without water to avoid overwatering. Lets see what happens.

Thanks for your time.

Beachwalker · Sep 16, 2020

Odaenathus said:
In 100L pots. That's what I do, I don't usually take runoff pH lectures, always before watering I check pH and EC levels with Milwaukee devices. Let's see if I can do a runoff because the pots are big and the space reduced.
Thanks for your time.

Not doing runoffs on a regular basis could be what's causing your issue?

Edit: Not positive but I don't think it's any type of a fungus or bacteria, my impression from your pictures make me suspect a lockout

Craycrayracing · Sep 16, 2020

Beachwalker said:
Not doing runoffs on a regular basis could be what's causing your issue?

Hold on for a second this is interesting :-) so I am using fiber pots and I reached into my mixture today at a finger's length and I pulled out somewhat dry mixture. I am right at the start of flowering stage just as an example. Is it pretty normal that you water your plants until it runs out the bottom of a little bit? Cuz mine never do and I think I might be under watering just out of fear

Craycrayracing · Sep 16, 2020

What's the best way to fix lock out?

Beachwalker · Sep 16, 2020

Craycrayracing said:
What's the best way to fix lock out?

recommend a slurry test, post results of both pH and PPM if possible

Soil Ph Slurry Test - Step By Step With Photos

Knowing the pH of your growing medium is important from time to time. The soil pH slurry test is the easiest way of finding the true pH level of your soil based growing medium. For this you'll need: pH Meter - Cheap Amazon pH Pen - Blue Lab pH Pen - Blue Lab Soil pH Pen Cup or Container -...

www.thcfarmer.com

BurnzYzBudZz · Sep 16, 2020

Craycrayracing said:
Hold on for a second this is interesting :-) so I am using fiber pots and I reached into my mixture today at a finger's length and I pulled out somewhat dry mixture. I am right at the start of flowering stage just as an example. Is it pretty normal that you water your plants until it runs out the bottom of a little bit? Cuz mine never do and I think I might be under watering just out of fear

How many gallon are you pots and how much water are you watering with each watering? There should always be 15-20% runoff to prevent salt build up Within you media.

Craycrayracing · Sep 16, 2020

5 gallon ....and no run off :(
What's the best way to collect the runoff so that it doesn't cool at the bottom of your grow tent?

Odaenathus · Sep 17, 2020

I'm going to do a slurry test but how deep do I have to take the soil sample? I think the roots are going to suffer a little. I guess surface soil is not valid. I will try to do a run-off too. At the moment I'm preparing some DI water.
Thanks.

ncalgrower · Sep 17, 2020

If you stick your finger down into your soil a couple inches and it's dry, your plants are definitely not getting enough water.

Just a heads up, I'm growing in 10 gallon pots and was having odd leaf issues before flower stage. I thought everything was ok because every runoff test showed a PH of around 5.5-6.0. The reality was my plants were suffering from nutrient lockout because water going in was PH 9.0. Even though the runoff said 5.8, my plants were not getting the nutrients they needed. Correcting PH of the water prior to watering the plants fixed all my issues.

And yes, you should water to the point of runoff out of the bottom/lower sides of the pots to avoid salt buildup.

Odaenathus · Sep 17, 2020

I always measure both EC and pH before watering, that's why I usually don't do any runoff / slurry tests. The only one I have done was to a friend who was growing in pots with soil at 4.5 EC due to the salt from the coastal wind, it was hilarious.
What do you recommend? Definitely It seems to be a lockout of some nutrients. I have a total of 4 pots and all show symptoms of this. Its not underwater IMG because I took a sample to do the slurry and soil was wet at surface. Later I will show you some pics more of new symptoms. This season is becoming the lockout contest, sincerely it never happened to me.
And yes, my watering are done with a drip irrigation system until run off, maybe not enough run off.
A question: How has to be the water for a run off? Just fresh water or fertilized?
I really appreciate you all guys time and advices. I will apply in the future.

Odaenathus · Sep 17, 2020

Hi again mates,

I did the slurry test. I distilled some water, waited until cold and measured it with a result of pH 7 and 0.1 EC. Have mixed some soil I took about 4~5 inches deep, stirred for 5 minutes and waited 15 min. Results are: pH 6.3 and EC 0.3. Proportion soil / water: 1/2.
I'm surprised about EC levels, but I don't know if I did the test correctly and how I have to interpret the result. I probably haven't gotten deep enough soil.

Look at this pics:

This is another G13 Haze I have in an 3 gal. pot showing this symptoms:

This is a Critical + showing similar symptoms as the first G13 related in the post but with a lower incidence.

Odaenathus · Sep 20, 2020

Flexnerb said:
Do any of your petoiles snap easily in between the base to the part where it connects to the leaf blades?

I noticed this symptom yesterday when I decided to do a runoff pH and EC test and cleaned some burned leaves, with some of them, when I pulled, that happened. And not only with fully burned leaves even with medium healthy ones too.

The result of the runoff test for G13 Haze was:
G13 Haze on 26 GAL pot
80L of fresh water at EC 0.6 - pH 5.5 gives a runoff of
EC 2.4 - pH 6.0

This result was taken from one liter of runoff of the first 40 liters of the flush.

I think EC is too high, could it probably be the trouble?
I have let the plant rest for a day and a half before applying another watering with nutrients. We will see how her reacts.

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Help with this leaves. What's going on?

Help with this leaves. What's going on?

Odaenathus

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