What kind of deficiency is this?
Ezzjaybruhanswered grow question 5y ago
I believe this is potassium deficiency.
K deficiency causes internal temps of foliage to rise and it causes the protein in the cells to burn and degrade. Usually happens on the edges of the leaves.
Similar Grow Questions
Solved
Weedovaurus
Lower leaves yellowing and curling downDo anyone know what's wrong ? I was thinking they were getting to much light in the tent with my flowering autos... I'm quite sure it's not about watering
Leaves. Curl down
Leaves. Color · Yellow
Leaves. Color · Pale
5y ago
3
8
Solved
Marijuanaut
Yellow/burned tips & curled leavesI have an issue with some yellow/burned tips and curled leaves.
I already suspect that mainly is from light stress but could also be a nutrient deficiency?
I´ve raised the lights the max I can and keep it at 80% for 20 hours.
Biobizz soil and nutrients.
… Show more
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color · Yellow
1y ago
10
7
Solved
GBaalr
Leaves downHello,fellow growers. My Royal cheese 🧀 seems to be doing not so well in her second week. Leaves are turning yellow and down. Can this be because of overwatering ? I gave her two litters of water two days earlier and now it's all sad. Please help me out.
Leaves. Curl down
Leaves. Color · Yellow
5y ago
1
2
Solved
ElRojo
Yellowed leavesShould i cut the older and yellowed leaves? So the plant Will use the Energy to grow new branches?
Leaves. Curl down
Leaves. Color · Yellow
6y ago
2
2
Solved
SLuGGeRNauT_420
What’s wrong plz helpWhat’s wrong plz help is it cuz they root kind and overdue for transplant or something else I know the convex leaves are from overwatering I don’t want them to die I can’t spend much time with them so I water daily
Leaves. Curl down
Leaves. Color · Yellow
5y ago
5
Solved
halluminaty
Leafs yellows burned ..What her problem?
I tried to water her without fertilizer, with only calmag or amino acids and than with same feed as the other ones..
What do u think?
I never had so many problems at the same time ( yellow, burned, brown, curled down ect )
But the black leaves looks good.
6y ago
2
2
Solved
Amandus
Wilting and yellowing leaves after vinegar water solutionI sprayed a mixture of 1/4 spirit vinegar + 3/4 water under the leaves to get rid of aphids (which may or may not have been the problem) earlier today. Now checking on her, I see yellowing of several leaves and wilting of others, which has me worried... normal, or a problem? 😳
4y ago
8
11
Solved
MarisaG
Help!!! Not resolved yetHi all! My fast Eddy is showing some strong chrolosis, purple stems and clawing. Her growth completely stopped :( I water her every 3 days +/-, fed her once with ghe tripart at half-strengh and pH 6,5. She responded a little to Epsom salt foliar spray... Help please!
Leaves. Curl down
Leaves. Color · Yellow
Plant. Stem · Red or purple
6y ago
5
8
Solved
ceomi69
Leave Tips Yellow and Brown on New GrowthThe leave tips of my plants turned yellow and burnt after i gave them a bottled nutrient feed (organic). Unfortunately i failed to measure the PH of the Water (it was probably to high). This was one Week ago and the New Growth still show signs that something is wrong.
Leaves. Tips · Burnt
Leaves. Curl down
Leaves. Color · Yellow
2y ago
3
2
Solved
Noob_quest
Root rot?So after being diagnosed with overwatering a few days ago it has spread to more leaves. I think I have developed root rot. Please confirm?
Also best ideas to fix? Have sprayed with rhizo and added some great white to soil.
Thanks for the help so far,
A worried mother,
6y ago
2
3
Solved
Leofs
Feedback on my first plantHey guys! Can you all give me a feedback on my plant health/setup? (First grow) It’s an American Cookies Strain on a 80x80 setup. Been feeding it with PH regulated water with nutrients, keeping the temperature around 26c with 70% humidity.
Is it time to already top it? As in lst
Leaves. Curl down
Leaves. Color · Yellow
9mo ago
3
5
Solved
ykscotttyk25
Durban PoisonWhat can I do to help this
Leaves. Curl down
Leaves. Color · Yellow
2y ago
2
2
Solved
Chr0nus
Yellow spots on bottom leaves.Starting to notice big brown/yellow spots on the bottom leaves only. Plants look healthy at the top but not happy(not praying and look droopy). I water every 3/4 days so it’s not a matter of being locked and Calmag is also used. Can’t figure out what the problem is here.
Leaves. Curl down
Leaves. Color · Yellow
3y ago
3
4
Solved
Imagine
Yellow Leaves with necrosisHi,
My weed have some troubles, i can see some leaves becoming yellow with some "yellow points" ..
At the end of the leaves, it is, i guess, some necrosis and it's curling down.
Could you help me please ? I think it's a calcium deficiency but not sure.
Leaves. Curl down
Leaves. Color · Yellow
6y ago
2
3
Solved
Franzl
Whats wrong with her ? Clawing and yellow spotsIm a first Grower. Here some info:
Location: Indoor, 60x60x180
Light: Mars Hydro 1000
Soil: BioBizz Light
fertilizer: BioGrow GreenHouse
pH: ~7,3… Show more
Leaves. Curl down
Leaves. Veins · Yellow between
Leaves. Color · Yellow
5y ago
5
Solved
GracelessGardens
Purple leaves getting worse!?So I started getting light purple/yellowing last week, after my last grow question, I landed on potassium deficiency. I gave a healthy dose (2 tbsp in a half gallon of spring water) of Fox farms big bloom (0-.05-.07), within the last 48 hrs and the purple looks worse? Any ideas?
4y ago
1