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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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What is this white fungus like growth on my mango tree roots?

It has rained constantly for the past week and suddenly today I noticed this very aggressively growing white thing. Can you guys please tell me if this is dangerous for the tree? I have seen mushrooms come out in my garden after rainfalls but they…
Haider Ali
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Holes in leaves and black specks on lower leaves

I tried adding pictures but it isn't working. I have young zinnia plants that I started from seed about two months ago. They're just barely coming up on the point where they'll flower but suddenly I discovered a leaf with a gigantic hole. I freaked…
Kindra
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What is causing this yellow fungus in my plants' soil, and should I be concerned?

In this post I mentioned that the soil in my schefflera plant's pot had been host to some yellowish fungus, but I somehow managed to misidentify some discolored perlite as the fungus in question. However, I rediscovered the fungus yesterday; here a…
Colin Eagle
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I am trying to identify and treat white fungus at the base of a tree

There is some sort of fungus growing at the base of tree in front of my house. I believe the tree is a Callery Pear Tree. The location is on the sidewalk in Brooklyn, NY. I would like to know if this is something I should worry about and treat? How…
Adam V.
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What is this white snake like thing?

Is this fungus or what? Appears to be root of something. Here is the potted plant:
4-K
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How do I prevent damping-off of my lettuce seedlings?

I have successfully germinated 10 lettuce seeds from a tissue and transplanted them into a pot. They grew more and showed new leaves, but after some time I noticed that their stem from the base started to turn brown and become thinner. I googled it…
SilverRay
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Is this a fungi on my plant?

I have bought a Kalanchoe and it was healthy when I bought it. I have four more plants with the same problem (all purchased from a place like ikea in Ecuador). I wonder if it is a fungus, and how to fight it.
Alejandra Lage
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Identifying brown spots with Jade and lemon tree

I am trying to grow a lemon tree from seed and after circa 1 month tree is almost 5cm tall. However, this weekend it rained roughly and i checked my plants. I found out that my lemon tree has white/brown spots on the leaves. Moreover, one leaf is…
kidra.pazzo
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How do you use potassium bicarbonate to control powdery mildew?

This post describes using potassium bicarbonate to control powdery mildew, but doesn't give any more info. So I'm looking for the following: Efficacy? Mixing rate? Application rate? Application frequency? And finally, are there different types of…
That Idiot
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What fungus is this?

I've got several patches of this fungus growing in my mulch. It grows in roughly a circular patch, and produces these growths above the surface. The effected area binds together into a disk, and when broken and flipped it reveals a white mossy…
tom.dietrich
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What kinds of pathogenic plant mildew are there, besides powdery & downy?

Are there any other kinds of mildew that affect garden plants besides powdery mildew and downy mildew? If so, what are they?
Brōtsyorfuzthrāx
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What is this mold/fungus?

Is it harmful? What should I do about it? It was undoubtedly caused by the excess water on the surface from the drippers. Those are now off.
Enigma
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What kind of mushrooms are these?

I've noticed these mushrooms growing in my backyard today. They are likely thriving on dead grass that my lawnmower has been leaving behind. Can anyone identify them? I am located in the Houston, Texas area.
Antarr Byrd
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White fungus on tree

How to save a peepal tree ("Sacred Fig" or "Bodhi Tree") from white fungus growth on its trunk. Is it safe for the tree to remove the extra growth. What medication or treatment need to be given. Please help save the tree.
Hema Ravi
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Koleria stem is hardening from bottom eventually killing whole plant

I am very upset for so long time. Some of my kohlerias die before even had the chance to buildup buds. Very stall in growth. Some doing well, still stalling in growth though. Starts from direct below soil line. Stem shrinks a little, becoming…
Su Seven
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