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Search: Posts Made By: TanzanianMagic
Forum: Nutrients and Fertilizers 09-15-2020, 12:52 PM
Replies: 18
Views: 736
Posted By TanzanianMagic
1. This has way too much nitrogen, not enough...

1. This has way too much nitrogen, not enough phosphorus compared to potassium. If you're using solid and liquid nutrients it is best/essential to stick to nutrients and media meant for cannabis.
...
Forum: Cannabis Infirmary 09-09-2020, 10:58 AM
Replies: 2
Views: 104
Posted By TanzanianMagic
The left leaf looks most like phosphorus...

The left leaf looks most like phosphorus deficiency/lockout.
The right leaf is clear insect damage - caterpillars or grasshoppers.

Insect damage can also cause the appearance of nutrient...
Forum: Cannabis Infirmary 09-07-2020, 12:54 AM
Replies: 4
Views: 261
Posted By TanzanianMagic
1. That looks like calcium deficiency/lockout. ...

1. That looks like calcium deficiency/lockout.

This usually happens on the top of the plant with new growth, and on any lower leaf that is sticking out and getting light.

2. There is a touch...
Forum: Cannabis Infirmary 08-31-2020, 06:16 AM
Replies: 18
Views: 402
Posted By TanzanianMagic
First thing to do is to get a pH and a PPM/EC...

First thing to do is to get a pH and a PPM/EC meter. Second thing is to get nutrients that are specific to coco growing (Canna, Plagron, even Biobizz). The nutrients are probably ok, however without...
Forum: Cannabis Infirmary 08-28-2020, 01:25 AM
Replies: 10
Views: 202
Posted By TanzanianMagic
Boron deficiency/lockout. The photgraph...

Boron deficiency/lockout.

The photgraph seems to match this one very closely.

https://www.zambeza.com/blog-how-to-know-if-your-cannabis-plants-are-suffering-from-a-boron-deficiency-n149

-...
Forum: Cannabis Infirmary 08-26-2020, 04:48 PM
Replies: 12
Views: 275
Posted By TanzanianMagic
And the perlite seems to have drifted up, which...

And the perlite seems to have drifted up, which would also reduce drainage/aeration.

Also, I would look at taking some foliage out of the center of the plant. Dense foliage only makes it easier...
Forum: Cannabis Infirmary 08-26-2020, 06:56 AM
Replies: 12
Views: 275
Posted By TanzanianMagic
It is verticillium wilt. Source:...

It is verticillium wilt.



Source: https://www.dinafem.org/en/blog/verticillium-fungus-causes-wilt/

Solutions given:

- better ventilation/space between the plants
- better drainage/less...
Forum: Cannabis Infirmary 08-12-2020, 07:30 PM
Replies: 6
Views: 230
Posted By TanzanianMagic
It looks like phosphorus deficiency/lockout. ...

It looks like phosphorus deficiency/lockout.

However that's all I can say about it without seeing the rest of the plant.
Forum: Cannabis Infirmary 08-11-2020, 01:53 PM
Replies: 8
Views: 243
Posted By TanzanianMagic
Issues with the tops/new growing tips is usually...

Issues with the tops/new growing tips is usually from a high pH.

However it almost looks like this boron deficiency/lockout.


...
Forum: Cannabis Infirmary 08-02-2020, 07:39 AM
Replies: 5
Views: 216
Posted By TanzanianMagic
I'll still bet that if you look at the leaf under...

I'll still bet that if you look at the leaf under a microscope you're going to see a few mites.

Only a very small insect could do the damage to the right edge of the leaf.

On the caterpillar...
Forum: Cannabis Infirmary 08-02-2020, 04:10 AM
Replies: 5
Views: 216
Posted By TanzanianMagic
I would say mites. Not even as much as the...

I would say mites.

Not even as much as the blotch, which could be a lot oft things, however the fact that the right side is underdeveloped/eaten away and it's bending the leaf.

That means...
Forum: Cannabis Infirmary 07-31-2020, 09:43 PM
Replies: 16
Views: 488
Posted By TanzanianMagic
They're not lost. - The roots look great. ...

They're not lost.

- The roots look great.
- They all have the same problem, which would tell me it's from the feeding or from the air.
- With that root development, the pH is probably good,...
Forum: Cannabis Infirmary 07-30-2020, 02:05 PM
Replies: 9
Views: 261
Posted By TanzanianMagic
1. You should use coco specific nutrients if...

1. You should use coco specific nutrients if you're using coco as a medium.

Flora Nova Grow has an NPK of 7-4-10. Too much nitrogen, too little phosphorus for good root growth. High P/K (Plagron...
Forum: Cannabis Infirmary 07-29-2020, 12:40 AM
Replies: 4
Views: 196
Posted By TanzanianMagic
It is an iron lockout, which happens at a high...

It is an iron lockout, which happens at a high pH.

You need to lower the pH, rather than feed more iron.
Forum: Cannabis Infirmary 07-24-2020, 10:46 AM
Replies: 16
Views: 488
Posted By TanzanianMagic
Hi, 1. The mix introduces a lot of...

Hi,

1. The mix introduces a lot of variables.

If it was just coco coir and nothing else, I would say just give the plants a low dose of high P/K flowering food (0.4 EC of Plagron Green...
Forum: Cannabis Infirmary 07-23-2020, 12:07 AM
Replies: 7
Views: 279
Posted By TanzanianMagic
It looks like some kind of insect damage. Mites,...

It looks like some kind of insect damage. Mites, thrips.

It is hard to say more without seeing more of the plant.
Forum: Cannabis Infirmary 07-19-2020, 06:08 PM
Replies: 9
Views: 301
Posted By TanzanianMagic
It is possible that they're not male flowers. ...

It is possible that they're not male flowers.

However, you could just manually remove them from the plant.

The thing is that every strain has slightly different pre-flowers. Many of the...
Forum: Landraces 07-18-2020, 02:17 AM
Replies: 9
Views: 535
Posted By TanzanianMagic
Powerful vs Pretty: 1970s vs 2020s

This is what 40 years of prohibition, growing indoors for pretty fat nugs has wrought.

https://www.icmag.com/ic/picture.php?albumid=83848&pictureid=2057776

What tropical, outdoors, imported...
Forum: Cannabis Infirmary 07-15-2020, 02:19 PM
Replies: 6
Views: 383
Posted By TanzanianMagic
There is a straw bedding in the pots, which looks...

There is a straw bedding in the pots, which looks dry. At the same time, the infection seems to start from the bottom of the plant and is moving upwards.

I would at least take away straw on top...
Forum: Cannabis Infirmary 07-13-2020, 06:08 PM
Replies: 6
Views: 383
Posted By TanzanianMagic
It looks like some kind of mold or botrytis. ...

It looks like some kind of mold or botrytis.

I would look at the straw as a source for the infection, and then to the wooden floor.

It is always best to keep anything made from cellulose ...
Forum: Cannabis Infirmary 07-09-2020, 01:57 PM
Replies: 30
Views: 1,053
Posted By TanzanianMagic
I think the damage is from a variation of...

I think the damage is from a variation of insects, including leafminers (it seems like there is a tiny black fly whose larvae make these very small horse shoe shaped leafminer trails in the leaf) and...
Forum: Cannabis Infirmary 07-09-2020, 11:47 AM
Replies: 12
Views: 575
Posted By TanzanianMagic
It looks like the damage from several insects: ...

It looks like the damage from several insects:

- leafhoppers
- grasshoppers
- spidermites

On the other hand, if the plants just keep growing... The strategy against insects is

- water and...
Forum: Cannabis Infirmary 07-06-2020, 08:28 PM
Replies: 30
Views: 1,053
Posted By TanzanianMagic
1. What is the EC/PPM of the runoff? And the pH? ...

1. What is the EC/PPM of the runoff? And the pH?

That should give you an idea of whether the problem comes from overfeeding or not.

2. What does the affected leaf smell like?

Does it smell...
Forum: Cannabis Infirmary 07-03-2020, 05:24 PM
Replies: 30
Views: 1,053
Posted By TanzanianMagic
There is insect damage and calcium...

There is insect damage and calcium lockout/deficiency.

It looks like overfeeding. The first thing to do is to flush the soil, and then return to a light flowering nutrient solution.

The...
Forum: Cannabis Infirmary 07-02-2020, 04:28 PM
Replies: 27
Views: 763
Posted By TanzanianMagic
The big insect is a grasshopper, the small...

The big insect is a grasshopper, the small creature is an aphid.
Forum: Cannabis Infirmary 07-01-2020, 01:36 PM
Replies: 8
Views: 407
Posted By TanzanianMagic
I can't tell a lot about how close they are and...

I can't tell a lot about how close they are and if they're well watered.

However that looks like light burn. If not light burn, you should look for insects on the leaves or near them.

However...
Forum: Cannabis Infirmary 06-30-2020, 05:00 PM
Replies: 27
Views: 763
Posted By TanzanianMagic
Small grasshoppers. At first I thought...

Small grasshoppers. At first I thought leafhoppers, however the holes are slightly too large.

https://hightimes.com/grow/help-grasshoppers-are-eating-my-pot-plants/
...
Forum: Cannabis Infirmary 06-29-2020, 01:57 AM
Replies: 2
Views: 196
Posted By TanzanianMagic
That looks like an aphid. ...

That looks like an aphid.

https://www.gardentech.com/insects/aphids

A few teaspoons of vegetable oil dissolved in warm water with a few drops of dishwashing soap will take care of them. The...
Forum: Cannabis Infirmary 06-28-2020, 08:21 AM
Replies: 17
Views: 367
Posted By TanzanianMagic
Light mix has almost no nutrients in them and...

Light mix has almost no nutrients in them and needs magnesium lime to get the pH higher. So repotting into a richer soil is one solution.

I use light mix as a basis of a basic mix for supersoil -...
Forum: Grow Diaries 06-27-2020, 04:45 PM
Replies: 5
Views: 214
Posted By TanzanianMagic
June 26 ...

June 26

https://www.icmag.com/ic/picture.php?albumid=83647&pictureid=2051993

July 5th

https://www.icmag.com/ic/picture.php?albumid=83647&pictureid=2055418

July 16th
Forum: Cannabis Infirmary 06-25-2020, 09:08 PM
Replies: 20
Views: 1,184
Posted By TanzanianMagic
It sounds like Verticillium Wilt. ...

It sounds like Verticillium Wilt.

https://www.royalqueenseeds.com/blog-how-to-prevent-verticillium-in-your-cannabis-crop-n871
Forum: New Growers 06-24-2020, 06:24 PM
Replies: 14
Views: 794
Posted By TanzanianMagic
You should harvest them right away and removed...

You should harvest them right away and removed the parts with the budrot/botrytis.

Not bad for a first try though. And, it's only June so you can grow more outdoors this year.

Go slow on the...
Forum: Grow Diaries 06-22-2020, 09:08 PM
Replies: 5
Views: 214
Posted By TanzanianMagic
June 19th Three weeks later. G13GSC...

June 19th

Three weeks later.

G13GSC after a prune.

https://www.icmag.com/ic/picture.php?albumid=83647&pictureid=2050496...
Forum: Grow Diaries 06-22-2020, 09:06 PM
Replies: 5
Views: 214
Posted By TanzanianMagic
Cookie G13 Super Auto Feminised Seeds Flash Seeds

INTRODUCTION

This is a progress of my 2020 grow.

Remember that where I live, the practical definition of legal = amateur.

Seeds, five plants maximum, no clones, no grow lights, no...
Forum: Cannabis Infirmary 06-18-2020, 08:15 PM
Replies: 7
Views: 270
Posted By TanzanianMagic
It looks like a fungus gnat larva. They're...

It looks like a fungus gnat larva.

They're deadly to germinating seeds. However if there is something else to eat, they're not necessarily a problem to seedlings and mature plants.

Fungus...
Forum: Cannabis Infirmary 06-15-2020, 08:24 PM
Replies: 6
Views: 365
Posted By TanzanianMagic
I would prepare the soil by giving the high P/K...

I would prepare the soil by giving the high P/K nutrient solution right away. Low nitrogen content means it can't burn the roots. Higher P actually makes the soil more mild because it raises...
Forum: Cannabis Infirmary 06-12-2020, 04:47 PM
Replies: 6
Views: 365
Posted By TanzanianMagic
You could use 1/8th the recommended amount of a...

You could use 1/8th the recommended amount of a high P flowering food. Same for epsom salt.

However you should get an EC and pH meter anyway, if only to measure runoff when something is wrong.
...
Forum: Cannabis Infirmary 06-11-2020, 08:31 PM
Replies: 6
Views: 365
Posted By TanzanianMagic
Just give the plant 0.4 EC of a high P/K nutrient...

Just give the plant 0.4 EC of a high P/K nutrient and 0.1 EC of epsom salt, watering slowly and thoroughly. Don't water or feed again until the soil is no longer wet in the morning. Use plain water...
Forum: Cannabis Infirmary 06-10-2020, 01:43 PM
Replies: 1
Views: 140
Posted By TanzanianMagic
What it looks like most is this: ...

What it looks like most is this:

https://www.sunwestgenetics.com/cannabis-leaves-curling/

Or here, top photograph.
https://www.ilovegrowingmarijuana.com/plant-moisture-stress/

The reasons...
Forum: Cannabis Infirmary 06-06-2020, 07:18 PM
Replies: 10
Views: 312
Posted By TanzanianMagic
Maybe the ground is too cold, and the plants...

Maybe the ground is too cold, and the plants aren't taking up potassium, maybe magnesium too. The curling of the leaves also indicates some pH issues.

The pH is also too low for organic soil. 7.0...
Forum: Cannabis Infirmary 06-06-2020, 02:45 AM
Replies: 7
Views: 215
Posted By TanzanianMagic
Basically a plant needs 1 gallon of soil for...

Basically a plant needs 1 gallon of soil for every 1 foot of expected growth.

The effect is that there isn't enough K absorption (thin, wooded stems, purple leaf stems). There is no branching...
Forum: Cannabis Infirmary 06-05-2020, 03:40 PM
Replies: 7
Views: 215
Posted By TanzanianMagic
The problem is that the clone is in an impossibly...

The problem is that the clone is in an impossibly small pot.
Forum: Cannabis Infirmary 06-05-2020, 08:23 AM
Replies: 15
Views: 749
Posted By TanzanianMagic
What I'm doing recently is make a SCOBY-less...

What I'm doing recently is make a SCOBY-less kombucha from either cannabis leaves or stinging nettles.

You take a clean bottle, fill it with 10% raw sugard and 10% or more leaves, add water until...
Forum: Cannabis Infirmary 06-03-2020, 09:52 AM
Replies: 15
Views: 377
Posted By TanzanianMagic
I would say prune more. Drop the pH to the low...

I would say prune more. Drop the pH to the low range for hydroponics (5.0) and give them nothing except a something with micro-nutrients in it and silica. Then let them go as long as possible without...
Forum: Cannabis Infirmary 06-01-2020, 03:37 PM
Replies: 9
Views: 257
Posted By TanzanianMagic
It's powdery mildew. The insects are tracking it...

It's powdery mildew. The insects are tracking it around. If you'd spray the plants with beneficial fungi from kombucha or even compost tea, the insects would track around good microbes instead. It...
Forum: Cannabis Infirmary 05-30-2020, 03:25 PM
Replies: 14
Views: 379
Posted By TanzanianMagic
It looks like leafhopper damage. Leafhoppers look...

It looks like leafhopper damage. Leafhoppers look like wedge shaped flies or spiders. They both leap away when disturbed.

The damage is done by an insect hopping onto the top of the leaf, and...
Forum: Growing in Coco Coir 05-30-2020, 09:27 AM
Replies: 17
Views: 1,889
Posted By TanzanianMagic
Well that certainly makes the nutrient companies...

Well that certainly makes the nutrient companies happy. I found a workaround.

1. Estimate how much water the medium loses between this watering and the next.

Coco has a water holding capacity...
Forum: Cannabis Infirmary 05-29-2020, 09:17 PM
Replies: 16
Views: 950
Posted By TanzanianMagic
I did a little experiment with only coco, very...

I did a little experiment with only coco, very light feeding and light watering. It's a amazing how little you need to feed the plants when the root system is well developed.

Coco only ...
Forum: Cannabis Infirmary 05-28-2020, 02:59 PM
Replies: 15
Views: 1,045
Posted By TanzanianMagic
After transplanting, I fed them reverse osmosis...

After transplanting, I fed them reverse osmosis water, 0.4 EC of Canna Coco A+B and 0.1 EC of MgSO4 (epsom salt), at a pH of 6.0. The nutrient concentration increases as the coco dries.

May 22
...
Forum: Cannabis Infirmary 05-20-2020, 11:09 PM
Replies: 15
Views: 1,045
Posted By TanzanianMagic
So I did a little experiment. I grew 2...

So I did a little experiment.

I grew 2 plants in coco only, with minimal involvement.

- I fed them no more than 0.4 EC in P/K 0-9-10 of Green Sensation, and 0.1 EC of epsom salt. (I did once...
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