Help with identifying the issue

[OM2]

Hi, i need some help please. What are these signs on the leaves?

Autoflower week 6, showed pistils at week 5.
Soil is Biobizz Light Mix, combined with Plant Magic Granules.
Using tap water, pH 6.5 after adding nutrients.

So far i've been adding:
- Silic Boost Atami 0.1ml/L
- Root Juice, BioHeaven and Alg-A-Mic 1ml/L of each
- Few times i added separately Fish Mix or BioGrow 0.5ml/L which caused some nutrient burn, but since then i've been only adding water and the leaf issues are progressing upwards.

So, is it a lockout from too much nutrients and does it require a flush?
Or is she hungry and needs some Bloom nutes? Maybe CalMag?

I'll post a pic of the full plant a bit later, for now i only have leaf pics. These leaves are mostly older leaves on the bottom. Any help is appreciated, thanks.

 

[OM2]

Bump, any help please?

 

[crimsonecho]

I'll post a pic of the full plant a bit later, for now i only have leaf pics. These leaves are mostly older leaves on the bottom. Any help is appreciated, thanks.

so where are the pics?

Maybe CalMag?

yeah add calmag, that goes with everything!

in case you cant tell from my typing its sarcasm.

dont add stuff, show the plant please and i dont know what plant magic granules are but are they slow release fertilizers than you shouldnt feed them much until they run out. by the leaves it seems like overwatering with too much N and kinda potassium and calcium def but those might be from overwatering as well. i bet you’re just overwatering.

 

[GroBud]

If suspicious of toxicity or deficiency or just see an over all sad plant. Always start with soil ph and ppms. When plants start fading and you dont know why, making sure the medium ph is at a good range for nutrient uptake for medium used. Check soil ppms thatll let you know if 1- your medium has food 2- if you get several readings before and after feeding that'll let you know if your plants are eating or not or how much in between feeds.

Looks like its maybe potassium deficiency

Pics are soil ph for nutrients and ppm food chart I used to use using liquid nutrients

 

[ComfortCreator]

Seeing the whole plant would help. Looking at the leaves I suspect it is watering too often causing uptake issues.

 

[GroBud]

If a new grower can water a seedling, I always assume they can water a plant with a established root system. You can tell if they had trouble with watering due to a stunted plant. Which this op doesn't have. Being a autoflower especially. Not that, that is always right. Just my observation

 

[ComfortCreator]

Picture 1 is highly suspicious of overwatering. The curl of the leaf is exactly what happens along with apparent deficiencies.

 

[OM2]

Sorry i didn't post a picture of the full plant.
This is how it looks like. Sometimes she's perky, sometimes she looks sad like this. I can't figure if it's overwatering or underwatering because one time she will perk up after watering, and the other time she will perk up after not being watered for few days. It's very confusing to me. And it takes her a long time to perk up, sometimes even 10-12 hours after lights on.

Plant Magic Granules are not slow release fertilizers, it's a mixture of beneficial bacteria, Mycorrhiza and some biostimulants for the roots.
Everything was going well until i burned her with Fish Mix and BioGrow. And in 7 weeks of the plant's life, i only added them 3 times at half dose.
It's a 15 liter pot with a lot more soil, maybe 20l or 25l of soil. I didn't press the soil while putting it in, it was loose.
At first i was watering with 3l of water every 3 days approximately, and then i started watering with 6l of watering every 6 days. Now i went back to 3l again.

Apart from being burned from nutes and poor watering practices, i really think she needs Bloom nutes also because it's 2 weeks of flower and everyone else i've seen they started adding Bloom nutes by this time. But she's having a hard time perking up.

The leaves feel crispy and fragile, they can break if i touch them a little bit. But it's not too hot, temperatures are the same all the time at 27C day, 23C night. Humidity 50-55%

It's difficult to check PPM with Biobizz since they have no salts in it. They say the PPM readings would be inaccurate for Biobizz.

Should i not water at all now? Or should i water more? It looks very dry to me, even the leaves that i defoliated seem dry from the inside like old paper.

 

[OldMedUser]

Personally I think your plant is just suffering from not being able to get enough nutes as it went into flower when demand for everything goes way up as it transitions then goes down after. If it can't get what it wants from the roots then it steals any mobile nutes it can from the older fan leaves as nature designed.

You shouldn't be watering with measured amounts unless you measure to saturate the whole pot like I do with mine. You should soak the pots then let them dry down until the pots feel light before soaking again. In straight coco they need to be wet all the time but with soil or peat-based medium a wet/dry cycle works best. Not so dry the plants droop but dry enough the pots feel very light compared to right after watering.

Because autos keep growing in size all thru flowering they need enough N for the new growth but no lots and make sure they get plenty of K, Mg and S but not shitloads of P like most people dump on their plants. It is a myth that pot need tons of P and most give way too much which causes that 'chem' taste in the finished buds more than anything else.

Epsom Salts will give the needed Mg and S so a tsp per gallon/4L every 2nd watering will fill that bill. I have K in both hydro and organic forms so use some of one of them or a bit of both later in flowering. In early flowering I use some Big Bud that's 0-15-35, 10%S and other things to get them budding faster and larger.

Good luck and good growing!

 

[OM2]

@OldMedUser Thanks for your help!
I water only when the pots are light. The water amount and schedule is just approximate, truth is i water very irregularly and inconsistently when i feel like it needs to be watered. Probably a mistake too, but i was increasing the watering amount little by little every week or so. Apart from burning the plant with nutes, it was all going fine and great until i watered till runoff because some people suggested me that way. This pot needs 6-7 liters of water to get a runoff.

Maybe the roots are rotting now? Because for the last week or two, the plant seems droopy/wilting regardless of whether i water it or not for 5-6 days, only occasionally perking up but it lasts a short time.

I will have to get some Epsom salts and try, you're not the first one who suggested me.
And about the nutrient amount, this is my issue with Biobizz.
BioBloom has low N, high P, medium K. To put more K, i need to put BioGrow or Fish Mix, but they also have high N. And also the BioGrow has molasses in it, not the Bloom. So basically it forces you to use Bloom with Grow together during flowering, which is fine but if i have N toxicity this will only make it worse. And if i use just Bloom it will be high in P. Ahh, very complicated for me, i think i will buy something that has only K and nothing else if you think high P will cause me problems.

So what would be your ultimate suggestion?
To flush the soil or not?
Water more or less?
Feed bloom?

 

[OldMedUser]

So what would be your ultimate suggestion?
To flush the soil or not?
Water more or less?
Feed bloom?

I doubt it needs a real flush but it might not hurt to water well enough to get a few litres of runoff using a good nute mix to flush out some of the old. When I do that I use RO water to saturate the pot, let it sit for at least an hour then pour thru about half a normal watering worth with nutes to cause some flush which is either discarded or taken out to the garden or compost heap. It's not very often I feel the need to do that and mostly do my grows with no runoff to remove at all unless I water a bit too much. The pots I'm flowering in now take 4L each watering and hold about 15L of medium.

I bought a litre of Earth Juice Meta-K, 0-0-10 for my organic pots so I can boost K alone when needed and have a kilo of potassium chloride for hydro or general use for that. Maybe see if you can find something like that.

I would do full waterings when you water. Partial waterings will leave some areas dry and others soaked which isn't so good.

 

[OM2]

Alright thanks again for your help!

I will see to buy Epsom and just K. Now i will not water for the next few days and see how it goes. Once the pot is light i will fully saturate it again.

 

[PadawanWarrior]

I doubt it needs a real flush but it might not hurt to water well enough to get a few litres of runoff using a good nute mix to flush out some of the old. When I do that I use RO water to saturate the pot, let it sit for at least an hour then pour thru about half a normal watering worth with nutes to cause some flush which is either discarded or taken out to the garden or compost heap. It's not very often I feel the need to do that and mostly do my grows with no runoff to remove at all unless I water a bit too much. The pots I'm flowering in now take 4L each watering and hold about 15L of medium.

I bought a litre of Earth Juice Meta-K, 0-0-10 for my organic pots so I can boost K alone when needed and have a kilo of potassium chloride for hydro or general use for that. Maybe see if you can find something like that.

I would do full waterings when you water. Partial waterings will leave some areas dry and others soaked which isn't so good.

I've got Meta-K too, but it's 0-0-5. I deal with K deficiency sometimes, but adding more K sometimes makes it worse. I've read that K can actually lock out K. I don't know how that works, but just read it somewhere. Maybe it's the S causing more issues. I don't know.

I've got a sad looking plant now that definitely showed K deficiency. I added Meta-K a bunch and it made it worse. I've also mixed up a liquid Langbeinite mix another time for a different plant and that made it worse too. Still trying to figure that shit out.

Up potting always helps, but I'm trying to figure this crap out.

 

[OldMedUser]

I've got Meta-K too, but it's 0-0-5. I deal with K deficiency sometimes, but adding more K sometimes makes it worse. I've read that K can actually lock out K. I don't know how that works, but just read it somewhere. Maybe it's the S causing more issues. I don't know.

I've got a sad looking plant now that definitely showed K deficiency. I added Meta-K a bunch and it made it worse. I've also mixed up a liquid Langbeinite mix another time for a different plant and that made it worse too. Still trying to figure that shit out.

Up potting always helps, but I'm trying to figure this crap out.

I've been transitioning from DWC to organics teh last couple of years and seem to fuck it up enough to think about going back to just ProMix HP with hydro nutes. That seemed to work fine until I started adding organics like manures to the HP and it's been hit and miss since tho I think I've nailed down a decent recipe using what I can buy locally or pick up in the city when we have to go there.

Same thing with up-potting here. They seem to start going shitty then perk right up with new mix and a bigger pot for a few weeks.

I'm starting to think pH is way off so need to dust off the pen and at least check my feed pH. Been using that REMO VeloKelp quite a bit and that stuff is a freakin' magic tonic for ailing plants. I water my clones with it and they grow into really nice plants with it in HP alone.

Also been trying to get into Gaia Green stuff but fried my little clones I'm using for the DynoMyco project at first so need work to figure that stuff out.

 

[PadawanWarrior]

I've been transitioning from DWC to organics teh last couple of years and seem to fuck it up enough to think about going back to just ProMix HP with hydro nutes. That seemed to work fine until I started adding organics like manures to the HP and it's been hit and miss since tho I think I've nailed down a decent recipe using what I can buy locally or pick up in the city when we have to go there.

Same thing with up-potting here. They seem to start going shitty then perk right up with new mix and a bigger pot for a few weeks.

I'm starting to think pH is way off so need to dust off the pen and at least check my feed pH. Been using that REMO VeloKelp quite a bit and that stuff is a freakin' magic tonic for ailing plants. I water my clones with it and they grow into really nice plants with it in HP alone.

Also been trying to get into Gaia Green stuff but fried my little clones I'm using for the DynoMyco project at first so need work to figure that stuff out.

The kelp is a good idea. I've got a #25 bucket, but haven't been using it much. I'm gonna top dress some kelp meal on that plant I'm talking about and see how it responds. It's looking a little better since I've just been giving water even though it's way overcrowded in it's tiny 16x16x48 inch mini tent and almost touching the HLG 135 at 50 watts.

 

[PadawanWarrior]

I will recommend getting in touch with "Buffalo extraction system " to get the exact solution for your cannabis plant

I will recommend paying to be an advertiser if you want to advertise shit here.

 

[OldMedUser]

The kelp is a good idea. I've got a #25 bucket, but haven't been using it much. I'm gonna top dress some kelp meal on that plant I'm talking about and see how it responds. It's looking a little better since I've just been giving water even though it's way overcrowded in it's tiny 16x16x48 inch mini tent and almost touching the HLG 135 at 50 watts.

I have the gaia green kelp meal too so hoping to get used to using it properly and mix my medium with a variety of that stuff and just water for the most part. Scored a bucket of their Glacial Rock Dust in the city on Wednesday too so things got to perk up! lol

That is a small tent. My 2x4x5h is getting very crowded too but nothing too tall yet. Still have to squeeze some of the autos I'm starting in there too and it'll be another 3 weeks before I can start cropping plants out of the grow room to make room for some of the veg ones.

I'm looking for a cheap used 4x4 tent and light. Wife saw one on the FB marketplace but didn't tell me until later so it was gone. Grrr . . .
Going to have to frame in a space downstairs as it's getting too warm upstairs to do much soon.. We get heat domes like last year it'll be 100F there day and night.

 

[PadawanWarrior]

I have the gaia green kelp meal too so hoping to get used to using it properly and mix my medium with a variety of that stuff and just water for the most part. Scored a bucket of their Glacial Rock Dust in the city on Wednesday too so things got to perk up! lol

That is a small tent. My 2x4x5h is getting very crowded too but nothing too tall yet. Still have to squeeze some of the autos I'm starting in there too and it'll be another 3 weeks before I can start cropping plants out of the grow room to make room for some of the veg ones.

I'm looking for a cheap used 4x4 tent and light. Wife saw one on the FB marketplace but didn't tell me until later so it was gone. Grrr . . .
Going to have to frame in a space downstairs as it's getting too warm upstairs to do much soon.. We get heat domes like last year it'll be 100F there day and night.

This is the plant I'm talking about now. The soil gets too dry in a day so tonight I added some yucca to try and help. But it's also getting a little big for a 3 gal. I gave some kelp mixed with a little EWC too. We'll see. I also super cropped the top again, because the plant was touching the light again.

 

[OldMedUser]

Holy shit and it's not flowering yet. Is it going outside or into a bigger place for flowering?

I tend to let mine get too tall and bushy too. Trying to start flowering earlier and want to get into SoG style growing with some of the 26 9L square pots I bought. 25 will fit in a 4x4 space but think I'll go with 16 in a 4x4 pattern for a bit of room around the plants tho can top the side branches to keep them from spreading too much.

Got plants to water yet tonight and cut off a couple of pollen branches maybe as well. Don't want any pollen getting loose in there.

 

[PadawanWarrior]

Holy shit and it's not flowering yet. Is it going outside or into a bigger place for flowering?

I tend to let mine get too tall and bushy too. Trying to start flowering earlier and want to get into SoG style growing with some of the 26 9L square pots I bought. 25 will fit in a 4x4 space but think I'll go with 16 in a 4x4 pattern for a bit of room around the plants tho can top the side branches to keep them from spreading too much.

Got plants to water yet tonight and cut off a couple of pollen branches maybe as well. Don't want any pollen getting loose in there.

No, I just threw a baby in the mini tent. It's way crowded and starving for light since it's in such a tiny area. I've grown this strain before, and it's a decent one. It's the clone only version of Bodhi's Pura Vida. I was gonna chill for summer, but saw that and Hell's OG, so I grabbed them to try to keep alive until fall.