Questions tagged [fungus]

For questions about growing fungi or curing fungal diseases.

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4
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0answers
27 views

What is this rock-like fungus?

About the size of a rock - I actually thought that's what it was at first. The inner brown markings amazed me thinking the internals were eroded and exposed. But touching the surface with my shoe ...
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1answer
21 views

What caused the leaf discoloration in my Kaffir lime?

The leaves of my kaffir lime plant have the grainy discoloration which looks like a disease. I assume normal leaves would be plain dark green. I didn't see insects or aphids living or staying in the ...
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2answers
27 views

Avoid fungus on top soil (indoor plant)

I’m growing some sweet potato vines inside my house out of a well-draining tin pot. Where the vines cluster together, naturally less sunlight reaches the top soil and I’ve got little white mould spots ...
4
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2answers
62 views

Diagnosing white fuzz on kale. Is this powdery mildew?

I think I'm dealing with powdery mildew, but I want to confirm that diagnosis. Context: I'm in Portland, OR. I've got several raised beds with a couple kinds of kale, broccoli, brussels sprouts, some ...
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0answers
21 views

Yellowing spotted morning glory leaves

I'm wondering what's causing the leaves of my morning glories to turn yellow and develop black/brown patches, along with what looks to be like white mold, as shown in this photo: This is worse in the ...
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0answers
15 views

Curing avocado root rot

I have two 2 years old avocados. Sadly, they weren't feeling well last few months: leaves started to drop and side branches started eventually to dry out. After massive googling a root rot due to ...
2
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1answer
26 views

What is the fungus and is it dangerous to my watermelon plant?

When I checked on the watermelon plant today I found this odd discoloration at the soil level, hidden under the leaves right by one of the fruits. I assume this is a fungus; is it dangerous? And if so,...
4
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1answer
54 views

What are those brown / white spots on my cactus?

There are 3 of this same cactus sharing the pot. Only one of them is getting these spots. What could it be? Fungus? Sun burn? They are in my balcony, they don't get rain, and they get like 3-4 hours ...
16
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2answers
4k views

Why did my sweet corn kernels grow into this?

This corn is about 2 weeks premature to be picked. It had lots of green bugs and japanese beetles chowing on it, but I didn't do anything weird to it (no Ninja-Turtle ooze for instance). I can't ...
3
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0answers
25 views

White branches on citrus tree, is this normal?

I'm seeing the branches to my citrus tree turn white. When I cut them, it's all dead. Is that normal or is it a fungus or something ? Please refer to the attached photo. It's happening to several ...
2
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1answer
29 views

Help with spearmint plant. Potential stem rot?

I bought a mint plant a few months ago as my first plant and have been haphazardly taking care of it as best as I can. Apparently I had not been watering it enough as I read around in various forums ...
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1answer
24 views

Prognosis on Bracket/Shelf Fungus?

This is a fairly recent (last few weeks) development: https://www.dropbox.com/s/t2luwy7cuuss1c7/2020-07-18%2014.17.19.jpg https://www.dropbox.com/s/pcj9g72eh5sh7ig/2020-07-18%2014.17.24.jpg It appears ...
3
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1answer
35 views

Is this lichen or some other fungus on my palm tree?

I was pulling weeds and noticed the trunk of this palm tree in my backyard has a lot of moss on it. A google search described lichen but I’m not sure it looks the same as what the images of lichen on ...
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1answer
32 views

Staghorn fern back turning black

I have not been overwatering my staghorn fern, I water them at the base about 60cc every week. I don't most my plants very often and they have been stable for a year until this happened. The only ...
0
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1answer
22 views

Fungus or a boring beetle?

No idea what is causing this but it has been very rapid! I suspect a boring beetle infestation of some sort but how to treat?
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2answers
88 views

Not sure what is happening to tomato plant

Not sure what is happening to my tomato plant. Plants have been in a really sunny spot. We had been in a drought, but we’re consistently watered. Then the last few days it started raining pretty heavy ...
2
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0answers
14 views

Hollyhock deteriorating immediately after blooming

I live in Denver, CO and last year I planted 2 Hollyhock plants in my backyard. The plants were about 1 foot tall when I put them in the ground and they are in a spot where they get full sun/plenty ...
3
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2answers
113 views

How effective is neem oil as a preventative measure against powdery mildew?

I regularly use neem oil in my garden to help suppress the presence of white flies, aphids and certain soft-body caterpillars. I'm curious if neem oil can be effective in addressing powdery mildew on ...
1
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1answer
18 views

Newly Transplanted Palm with Fungus Issue

Hello all. I had 2 palms put in June 9th 2020. Both of them were hurricane cut. The healthy one, not picutred here, still had a couple of fronds and looks great. The other - these photos - has ...
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0answers
13 views

Can I safely spray copper fungicide for peach leaf curl during summer?

My family has a peach tree with severe leaf curl which they did not notice; I picked up some copper octanoate (0.08%) fungicide today as soon as I noticed. With about half the leaves damaged, I'm ...
2
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1answer
52 views

Tiny black spots on blue morning glory plant

Does anyone know what these tiny black spots on the leaves of my morning glory plants are? It seems that the spots are only on the top of the leaf, not under. I also saw a couple on a petiole. I was ...
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1answer
244 views

Brownish yellow spots on monstera

Spots have developed on the leaves of my monstera deliciosa, and I've found nothing online that's quite like it. It's not on top of the leaf, can't be wiped off, and it's not growing in regular ...
1
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1answer
44 views

Grey spots on Clematis leaves

One of my clematis Tekla stopped growing a month ago and sort of froze in time. Its leaves started having grey spots and new growth leaves dried out as you can see from the picture below. Initially I ...
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3answers
133 views

White spikes under water spinach leaves

My water spinach plants are covered with these spikes. They are hard when I poke at them with a knife. They are mostly on the underside of leaves but sometimes also break to the topside. The leaves ...
1
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1answer
29 views

Morels growing in planter pot: leave them alone, or extirpate?

We have a planter with a tomato plant and a bell pepper (capsicum) plant. A few months ago, during wet weather, many morels (specifically what appears to be Morchella rufobrunnea) started to appear ...
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1answer
28 views

Fungus gnats and mushrooms in a Walmart strawberry plant

Two weeks I bought a $10 everbearing strawberry plant from Walmart. It looked the most alive out of all the Walmart options. I immediately repotted it into a larger pot that stays out on my balcony. I ...
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0answers
8 views

Spots on cucumber leaves

Two leaves from teh same cucumber plant, thinking these are two separate issues (lucky me). As seen in the photo, the lesions on the left are pale tan and don't really look like they're bounded too ...
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0answers
19 views

Is this a fungus?

I began seeing this all over a mostly shaded part of my lawn. Especially where I’ve fertilized and watering (hoping for grass seeds fo grow). What is this and what should I do?
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1answer
41 views

Seeking help diagnosing leaf health, pictures attached

Newly transplanted plants both appear to have unhealthy leaves. Seeking help identifying and treating said problem. Help is appreciated ty!
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0answers
26 views

Is this Bacterial Leaf spot? Root rot? Fungus? Please Help

I got this little cupcake about 2 weeks ago and since yesterday I noticed some new spots that are developing, and now my heart is sinking that it might be bacterial leaf spot or root rot and its a new ...
1
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1answer
27 views

Is it normal for rosemary leaves to have these brown spots on them?

I've had these brown spots appear on leaves that have matured, but they seem to not have any effect on the plant as my rosemary keeps on growing. I would like to know if they are some sort of fungal ...
2
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0answers
91 views

Monstera Thai - Is it Rust Fungus? Thrips? Me Being a Hypochondriac? :))

I got this beauty about 2 weeks ago and ever since she came home she has had those bumps under 3 of her leaves. This is the leaf that is the most affected. I have been googling day in and night and I ...
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1answer
33 views

Oyster mushrooms turn reddish brown, pretty much every time. Is this a moisture or temperature or some other problem? Pls help

This is my 6th or 7th batch of mushrooms, and they all eventually turn the same kind of reddish brown and the caps don't really form. I've managed to get a couple of good flushes, but something is ...
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1answer
39 views

identify plant and problem. maybe a Sansevieria?

A friend gave me this plant but didn't know what it was. I thought it could be some kind of Sansevieria, but I'm not sure. But the problem is the leaves are getting yellow, and I don't know why. The ...
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0answers
14 views

Can Copper Fungicide be used on an apple tree with fruit already growing?

I was wondering if its possible to cover the growing apples with a plastic bag while I spray the leaves with this Copper Fungicide. I read somewhere that your not supposed to spray the Copper ...
2
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1answer
23 views

Fungal or bacterial infestation ? Pachypondium Lamere or Pin Palm

I have this Madagascar Pin Palm or Pachypondium Lamerei which has been attacked by some kind of fungal or bacterial infestation. I've been using an antifungal solution, yesterday was the 3rd ...
2
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2answers
28 views

Help with columnar blue spruce

Last summer (and after checking info on posts here) I planted three columnar blue spruce trees (picea pungens fastigata). In the fall, I noticed needles losing color and later dropping, leaving ...
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1answer
54 views

What are these white fuzzy growths on the soil of my lawn?

This morning, at about 11am, I went outside and found white fuzzy patches growing on the exposed soil of my lawn in a shady spot (in north-west England). It does not appear to be on the grass itself. ...
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0answers
14 views

What is this white residu on my bamboo?

I was wondering what the white thing on my bamboo leaves is. It's near a fountain so I thought maybe it's tesidu from whatever is in the fountain but now I'm wondering if it could be some kind of mold....
2
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1answer
33 views

Grey stem on Butterfly Palm

I'm a new plant mum and my butterfly palm doesn't seem to be too happy! I've got a grey growth on one of the main stems and it appears at the roots too - any advice what to do? I don't over water it (...
1
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1answer
79 views

Avocado leaves dying: is it the fungus or the fungicide?

My 18-month-old avocado tree has had a fungus a couple times, which I have successfully treated with a generic fungicide spray for ornamental plants (Penconazole, Dodine). It lives indoors year-round ...
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0answers
26 views

good or bad guys in compost bin?

I am making this compost at home using green and brown materials (egg shells, banana peel, kitchen waste, dead leaves, green leaves, etc.). While there is no bad smell or any liquid discharge, I ...
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0answers
46 views

Am I overwatering my cherry & beefsteak tomato plants or do I have some kind of fungus?

I'm new to gardening and this is my first real try. I've grown some cherry and beefsteak tomato plants (and other veges) from seedlings and have had them growing for a month or so. Some of my tomato ...
2
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0answers
21 views

What is this disease on my Christmas Palm, and how do I treat it?

I bought this Christmas Palm 10 weeks ago, and it was healthy and full, with no signs of disease. I'm in Ft. Lauderdale, zone 10. I placed the palm on my sometimes windy, south-facing balcony. I ...
1
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1answer
35 views

Green mould/mushrooms on houseplant soil

I recently took some cuttings from a friend, let them root in water, and then planted them. About a week later, suddenly there’s lot of green fungus/mould on the top of the soil! Any help ...
1
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1answer
33 views

what's my tomatoes problem? is that a fungs? what's the solution

it take all of the plants and we use several fungicide like chlorothalonil but it didn't work.
2
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3answers
923 views

What are these fungus-like things in my tree?

A few days back I realized there is some kind of fungus-like growth on my lemon tree and it has affected the plant growth so much. The leaves just don't grow and the tree seems to dry out. Today I ...
2
votes
2answers
48 views

What is this white tuber on my cactus?

Yesterday I noticed that my cactus had a white tuber type thing growing out of it. Is this normal? It's almost doubled in length in the past 36 hours.
2
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1answer
39 views

Should I tell my vineyard consultant to spray my fruit trees with the sulfur he sprays on the vineyard?

We have a very small (450 vines) pinot noir vineyard that we are raising organically. My vineyard consultant has people spray the vines with sulfur a few times each season. Last year, one of my ...
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0answers
22 views

What is causing my avocado tree rot on leaf

I’m a newbie to growing avocado tree. This guys been growing for afew months and has recently started getting light brown spots on one of its leafs. The other leafs look okay apart from one or two ...

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