Questions tagged [fungus]

For questions about growing fungi or curing fungal diseases.

Fungi (singular: fungus) constitute a complete biological kingdom (ie. the same level of classification as "animals" and "plants"). Fungi are divided into Eumycota (true fungi), myxomycetes (slime molds), and oomycetes ( molds).

Mycology (the study of fungi) is often considered a branch of botany, although in reality fungi are more closely related to animals than plants.

Fungi are rarely visible as they feed on and dead matter. They often only become visible when they produce a fruiting body such as a mushroom or mold.

Many kinds of mushroom are , and a gardener can grow mushrooms for eating. Questions about growing mushrooms should use the tag.

Fungi can also pose problems for gardeners in the form of various plant and molds, and will often look like a viral or bacterial infection. Use this tag for all questions about dealing with infections.

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Brown spots on avocado tree leaves

I transplanted my 7 years old avocado tree two months ago and since then it's condition continually worsened. First, the leaves lost turgor for a few weeks and I thought that this was over. Fortunately, recently leaves started to regain the turgor…
viraaze
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Do truffles grow from the air?

I found an ancient text which states that truffles do not "grow (derive their growth?) from the ground". I have found two medieval opinions on what that means: They "don't have roots in the ground, and their growth is from the air." Their roots…
Sam
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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 thing is that my place is warmer this summer because…
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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?
Lindsay
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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 expecting to lose the peaches this year but I'd like…
nanofarad
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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 thought that it is a clematis wilt, but reading…
Rustam Aliyev
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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 are still green. Does anyone know what kind of…
minhle_r7
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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 next to the plants. Some research shows that the…
jogloran
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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 infection or just a characteristic of the…
user71128
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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 yellow starts from the top, usually. I already…
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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. See attached images. On closer inspection, it…
grassnoob
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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...
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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 near a south-west facing window, and gets…
Animik
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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 plants lower leaves are dying off and they have…
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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 identifying would be appreciated. Is it harmful to the…