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Back to Grow Questions
Blätter: Krank oder Mangel?
Kolibri
started grow question 3y ago
Woher kommen die Flecken auf den älteren Blättern und was kann ich dagegen tun, bevor es sich ausbreitet?
Solved
Week 5
Leaves. Other
likes
Organoman
answered grow question 3y ago
Calcium deficiency. Add some Cal/Mag to your fertilizer line up, or if using it already, increase the dosage. Affected leaves won't recover, but new growth should mainly be fine once this is done.
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Selected By The Grower
Similar Grow Questions
Solved
nectarinepasta
Small brown spots on certain leaves
Some leaves are showing small brown spots. Around 5% leaves affected and all are close to each other. Can this be an infection? Otherwise plant looks healthy
Week 5
Leaves. Color - Dark-brown
Leaves. Other
5y ago
2
2
Solved
Posse
Rust and a few claws on leaves, thick dark green leaves
Best way to easily solve a potassium problem, I think 🤔, also some leaves getting claws, it didn't get overwatered So it must be the soil which is too rich? It only happening with 1 out of 7 plants.
Leaves. Other
4y ago
4
Solved
HAPPYWEEDS
¿Es esto urgente? Corté un trozo de hoja de plantas de 20 días
Hola a todos compañeros, espero que estén todos bien. Les deseo HappyWeeds a todos. He cortado por error una hoja mientras limpiaba las bandejas de las macetas :(((((((( ¿Cómo puedo ayudarla ahora? ¿Es grave? No sé cómo solucionarlo. Ayuda, por favor.
Leaves. Other
4y ago
4
5
Solved
Young_agronomist
Привет 👋 Стоит ли отрезать ростку большие листья для лучшего света более маленьким побегам ?
Week 3
Leaves. Other
3y ago
2
2
Solved
Tremojem
What is happening here..
I am confident the spots are Cal/Mag and Manganese deficiencies. My unorthodox flushing technique failed Live and learn. Please let me know your opinion.
Week 13
Leaves. Other
3y ago
10
10
Solved
Gejlord
Some unknown problem
These are my experimental plants. But it starts to happen whenever I water with calmag only. I water twice a week most of the time, once normally, + cal mag and other fertilizers and the second time I just balance the ec to 0.4 without fertilizers.
Leaves. Other
3y ago
4
Solved
Mickymouse
My seedling seems to be growing fairly slow Or does this look normal any advice to help would be appreciated 👍
Week 1
Leaves. Other
6y ago
3
3
Solved
BobrMarley
manage nutrient burn from soil mix
diy soil mix (see Week 0) got only pH'd tap water, compost tea and banana tea. started showing strong signs of nutrient burn recently and some spots on the oldest leaves I haven't seen before. so, how do I manage her to harvest? since I can't cut back on the nutes ...
Week 7
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Other
6mo ago
2
5
Solved
GiggleNutz
Branch/leaf trimming.
When and should I be trimming branched and leaves? I'm on the 3rd week of veg and I have been using the LST method. Is it too early to be cutting leaves, branches?
Leaves. Other
Techniques. Topping
Techniques. FIMing
4y ago
1
3
Solved
Gaiizka
I started the second week leting the seedling under direct sun-light, but comparing the photos of the 8th and the 10th day I apreciae that the leaves became brighter. Should I stop putong under direct sun-light?
Week 2
Leaves. Other
6y ago
2
2
Solved
vertex8
Is this yellowing normal or something wrong?
Hey fellow growers, seeing yellowing on the leaves the past few weeks which I know is normal as you transition through flower, can someone help diagnostic the leaf issues in the video this week, I thing that this is just nutrient burn but would appreciate if someone could confirm
Week 12
Leaves. Color - Yellow
Leaves. Other
Feeding. Chemical composition
5y ago
5
5
Solved
torgul2000
Plants are burning part 2
Added some Bud Boom (0-40-23) to give a kick of phosphors…. Most of plants are turning yellow and burning that’s problematic ! What’s about phosphorus with my watering ? Maybe Cal-Mg? Or even are the roots to compact on the bottom of the pot ?
Week 8
Leaves. Other
3y ago
6
6
Solved
sn1ck3rz
Signs of an issue using Coco Coir
I noticed two leaves (on the same branch) are showing signs of something. It looks like it may be a deficiency of some sort but I am not sure. I tested my EC and the run-off EC was off the charts >7000. I am growing in Coco and I am new to testing EC. Need advise.
Week 6
Leaves. Other
5y ago
1
1
Solved
DeepWaterGrower
Weird leaves
The left one shows weird leaves, what do you think guys?
Week 2
Leaves. Other
3y ago
8
5
Solved
Dutchhobby
Remove leaves or not
The leaves are beautiful..getting nice big fingers.some 11fingers.but they give shade to.so wanted to remove some of the big leafs.is it save to do or better let her grow.?
Week 10
Leaves. Other
3y ago
2
1
Solved
tototerremoto
Funny curly leave?
What can cause this funny curly leave? The lady has nitrogen toxicity and some of the top sugar leaves are curled. Can It be related? What a mess 🤦
Week 6
Leaves. Other
5y ago
4
3
Solved
Lazydaze428
Whats on my leafs
Can anyone tell me why I'm seeing what looks like a very very small sticker or something funny on my cotyledone leafs. It's hard to see unless I take a pic and enlarge it but I have never se I'm no expert so anyone with help.its critical purple auto about a week since she popped
Leaves. Other
4y ago
1
2
Solved
Millo
Brown dots on fans
Noticed these dots on some fan leaves on the clone only! Mother doesn't have them. I water them both with the same water/nutes. Checked for bugs and there are none. Im guessing something to do with Cal?
Week 20
Leaves. Other
4y ago
4
3
Solved
BoredSangheili
No matter how much PH down is added, my water naturally skyrockets back to a 6.4-6.5 because of the reused hydroton (regret reusing it) Should I let the water stay where it is, or should I continue to add more PH down every day? (I think this is damaging my leaves.)
Week 3
Leaves. Other
7y ago
2
1
Solved
Elpicor
Gnants?
Hello growers, the gnants have appeared, can it be due to them or is the problem caused by some lack of nourishment?
Week 4
Leaves. Other
3y ago
6
6