Back to Grow Questions

What’s this disease and cause

Australianbudsstarted grow question 3y ago

What is this disease on my plant or what is it and the cause?? Please help

Australianbuds

Australianbuds

Open

Leaves. Color · Black or grey

likes

Answer

Similar Grow Questions

Solved

Leafs on top turning slightly yellow and getting black spots Hi fellow growers, any idea on what's happening to this plants? All three pictures are different plants and it is spreading super fast. One plant in tent doesn't show any of the symptoms. I already flushed them and gave them a light nutrient solution with PH 6,2

Leaves. Color · Black or grey

1y ago

4

5

Solved

Leaves Shall i cut them leaves?

Leaves. Color · Black or grey

Leaves. Other

6y ago

2

2

Solved

Hello, do the leaves of the plants get darker if you give more nutrients before they show signs of over-fertilization? I use Canna aqua. I know that if I give too much nitrogen, the plants get darker. But is it the same with too high EC?

Leaves. Color · Black or grey

6y ago

1

2

Solved

Yellowing to slight grey leaves What's the cause of the older yellowing leaves with some grey and the slow spread to the newer growth? I'm between pH problems and or deficiency but not too sure.

Leaves. Color · Yellow

Leaves. Color · Black or grey

5y ago

3

3

Solved

Fat Banana Auto coloring Fat Banana Auto, it's a giant compared to the others, and it seems very thirsty. 2x1,5L a day in coco, and it dry this evening. But what are the different grayish color on the leafs?

Leaves. Color · Black or grey

6y ago

1

2

Solved

Cold or hot extraction for antioxidants?What preserves anthocyanins in our cannabis leaves better? If we want the antioxidant properties so we can use them for our benefit, which is better? Cold gentle extraction or use of heat? A traditional african practice centuries old makes tea from leaves to treat certain illness

Leaves. Color · Black or grey

10mo ago

4

3

Solved

Leaf discoloration - light and dark splotches Hello! Any ideas as to why my leaves have splotches of discoloration? 😅 It appears that one leaf has light 💀 patches while the other leaf has dark. 👹 Thanks for your time! 🙌

Leaves. Color · Yellow

Leaves. Color · Black or grey

6y ago

2

3

Solved

Purpel oder mengel ?Are my Gorilla Zkittlez drooping or is that a deficiency or problem?

Leaves. Color · Dark-purple

Leaves. Color · Dark-brown

Leaves. Color · Black or grey

6y ago

2

2

Solved

Taches noires sur les feuilles Request for diagnostic confirmation: I noticed black spots at the tips of the leaves. I think it might be a phosphorus deficiency? I was a bit late in feeding my plant. In my last watering: pH 6.5 EC: 1.8 Terra bloom, green sensation, pure zym. Thanks

Leaves. Color · Black or grey

5y ago

1

1

Solved

Color leaves Hi do you know what these spots are ?? where the leaf is located it looks thin and is drying out. Thanks for help. I have used many types of insecticides.

Leaves. Color · Black or grey

6y ago

4

5

Solved

Black spots I dont know wuts happening she was doing so weal, do you gise know wut thes black spots are ??, m feeling so bad for hear 😭

Leaves. Color · Black or grey

6y ago

4

4

Solved

Mehrere Mängel 2. Grow with Gorilla Cookie Autoflower seeds. The deficiencies on the back left look like those on the back right, I think phosphorus based on the pictures, and in the front, it's pretty much a mix of everything but extreme. The only bud that smells when you touch it is the one from the back right, the others don't.

Buds. Not fattening

Leaves. Color · Dark-brown

Leaves. Color · Black or grey

1y ago

2

Solved

Problem with plants in the 3rd week of vegetation.I'm posting again because I accidentally marked it as resolved. I was using BioBizz CalMag from the beginning, but when I switched to Advanced Nutrients, I stopped because Ph Perfect Sensi Coco Grow A and B already contain CalMag.

Leaves. Curl up

Leaves. Curl down

Leaves. Color · Black or grey

2y ago

1

2

Solved

What the actual heck is going on with these leaves Leaves from all around the plant are showing these symptoms. Much more detailed info in grow diary but current runoff ec is 1.7 and problem is spreading quite badly.

Leaves. Tips · Die

Leaves. Twisted

Leaves. Color · Black or grey

6y ago

1

3

Solved

What is....?Hello. Please help me identify the problem ... today the 8th week of vega ended, and some kind of illness began.(((

Leaves. Color · Black or grey

6y ago

4

3

Solved

what is this?1 plant has grey interveinal leaf spots and grey wilted edges. never seen this before. its only on top of the plant. my temps dropped to 17°C last night. light intensity is about 500ppfd. im guessing that it is a ph issue or overfeeding the other 2 plants are fine

Leaves. Twisted

Leaves. Color · Black or grey

10mo ago

4

7

Solved

greyish curling leaf tips and dieing branches after topping the highest branches died after topping. It looks to me like they had the same symptoms like some new upper branches are developing now. It looks very dark & feels soft Temps were 17-19°C & Humidity was be 5.90%+ Water should 9, think ph reader might be wrong and ph is too low?

Leaves. Color · Black or grey

2y ago

1

Solved

Tips turning into a black color Growing some black domina started good but yesterday something happened the leaf tips started changing into like a black color and weak

Leaves. Color · Black or grey

4y ago

1

1

Solved

Black spots It's the last clon from that strain that I have (There are no longer seeds for sale) after saving her (She was in terrible conditions) she was growing great this last 5 days until yesterdays that I saw this black spots. PPM 670-PH 5.78-WaterT 68.7-AirT 71.6-PPFD 120-Humidity80%

Leaves. Curl up

Leaves. Color · Black or grey

2y ago

2

Solved

strangely growing leaves.hi guys, after doing a defoliation and someone ties, some smaller branches from the bottom started to present this problem where the new growth should come, do you know what it could be and how to fix it?

Leaves. Color · Black or grey

5y ago

3