Ask a Question forum: Funky fungus

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Name: Terri Hamilton
Rockford, Illinois (Zone 5b)
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holity
Jul 4, 2014 8:20 PM CST
I first saw this fungus at the base of a pumpkin plant, but the pumpkin shrugged it off.
Now I'm seeing it on a small patch of grass. This photo isn't super clear, but they are little gray spheroids less than 1mm.

Thumb of 2014-07-05/holity/8cb003

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Name: Anne
Summerville, SC (Zone 8a)
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Xeramtheum
Jul 4, 2014 10:41 PM CST
Might be a Grass Slime Mold.
"Twenty years from now you will be more disappointed by the things that you didnโ€™t do than by the ones you did do, so throw off the bowlines, sail away from safe harbor, catch the trade winds in your sails. Explore, Dream, Discover."

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Name: Tiffany purpleinopp
Opp, AL ๐ŸŒต๐ŸŒทโš˜๐ŸŒน๐ŸŒป (Zone 8b)
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purpleinopp
Jul 5, 2014 5:32 AM CST
Could be pythium.
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Name: Ken Ramsey
Starkville, MS (Zone 8a)
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drdawg
Jul 5, 2014 5:55 AM CST
Powdery mildew.
drdawg (Ken Ramsey) - Tropical Plants & More
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Name: Wes
Ohio (Zone 6a)
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Wes
Jul 5, 2014 6:00 AM CST
drdawg said:Powdery mildew.


That was my first thought but it's been years since I've encountered it or went through my turf management books.
Name: Carole
Clarksville, TN (Zone 6b)
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SongofJoy
Jul 5, 2014 6:15 AM CST
I agree It does look like powdery mildew.
The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Ken Ramsey
Starkville, MS (Zone 8a)
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drdawg
Jul 5, 2014 7:08 AM CST
I can assure you, IF you have ever encountered Slime Mold/Nostoc Algae, you would know what it is. I have fought many, large patches of it for the last two years (it spread from my next-door neighbor's poorly-kept yard) and am just now seeing results of treatment. But I will apparently never be rid of it. My neighbor won't spend a dime towards treatment.

Thumb of 2014-07-05/drdawg/2fda8e Thumb of 2014-07-05/drdawg/463af3

drdawg (Ken Ramsey) - Tropical Plants & More
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I don't have gray hair, I have wisdom-highlights. I must be very wise.
Name: Terri Hamilton
Rockford, Illinois (Zone 5b)
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holity
Jul 5, 2014 8:02 AM CST
Ugh! Thumbs down
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Name: Ken Ramsey
Starkville, MS (Zone 8a)
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drdawg
Jul 5, 2014 8:27 AM CST
Yep, once you see it, you will never forget what it looks like (and feels like [squishy jello!]).
drdawg (Ken Ramsey) - Tropical Plants & More
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I don't have gray hair, I have wisdom-highlights. I must be very wise.
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jul 5, 2014 8:38 AM CST
As far as I can see from the distance in the image, it looks like the sporangia of slime mold. There's a picture from Kansas State U turf info here:

http://www.ksuturf.org/blog/wp...

Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
Plant and/or Seed Trader Enjoys or suffers hot summers Hybridizer Birds Seed Starter Cat Lover
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Xeramtheum
Jul 5, 2014 8:50 AM CST
That's what I thought Sue .. the grey spheres look like spores.
"Twenty years from now you will be more disappointed by the things that you didnโ€™t do than by the ones you did do, so throw off the bowlines, sail away from safe harbor, catch the trade winds in your sails. Explore, Dream, Discover."

Mark Twain
Name: Carole
Clarksville, TN (Zone 6b)
Cherish every day
Charter ATP Member Garden Sages Plant Identifier I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar
Garden Ideas: Master Level Celebrating Gardening: 2015 Cat Lover Birds Lover of wildlife (Raccoon badge) Avid Green Pages Reviewer
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SongofJoy
Jul 5, 2014 8:52 AM CST
That's quite possible.
The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Terri Hamilton
Rockford, Illinois (Zone 5b)
Butterflies Organic Gardener Composter Cat Lover Garden Ideas: Level 1
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holity
Jul 5, 2014 9:02 AM CST
sooby said:As far as I can see from the distance in the image, it looks like the sporangia of slime mold. There's a picture from Kansas State U turf info here:

http://www.ksuturf.org/blog/wp...



Oh dear... that photo IS what it looked like.

Although now it looks dried out. Not sure what THAT means.... We had an extra-wet June, and July looks to be similar.
My blog, which occasionally talks about gardening: http://holity.blogspot.com/
Name: Terri Hamilton
Rockford, Illinois (Zone 5b)
Butterflies Organic Gardener Composter Cat Lover Garden Ideas: Level 1
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holity
Jul 5, 2014 9:12 AM CST
I went on to read what that KSU website had to say about it. It said not to worry about it! It doesn't eat the live plant it's on--it eats bacteria and dead matter.

I have read elsewhere that there are a number of different types of slime molds. Some DO look like Dr. Dawg's. There's a bit of sidewalk a couple blocks from my house that's infested with a slime mold that looks like the flat, gelatinous kinds of seaweed when it's active. When it's dried out, it's a layer of dull greenish-brown on top of the concrete.
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Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Jul 5, 2014 11:25 AM CST
Whatever it is, I'd be out there with the scissors cutting off the affected leaves and getting as many of those spores outa there as you can so they don't spread IF your July is as rainy as June was. Put them in a plastic bag and dispose of them in the garbage, not the compost!

If the weather dries up, it might take care of the problem
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." โ€“Winston Churchill
Name: Ken Ramsey
Starkville, MS (Zone 8a)
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drdawg
Jul 5, 2014 11:36 AM CST
Slime mold/algae does not show up on any of my grass. It grows on bare soil. This soil is never really wet and most of it is in almost full sun, so the typical growing conditions don't seem to fit what (specific) strain I have. I tried raking and then used a pressure washer to dislodge it, but it still hung around. Finally I resorted to a Fungicide, and that seems to be getting rid of it.
drdawg (Ken Ramsey) - Tropical Plants & More
http://www.tropicalplantsandmo...
I don't have gray hair, I have wisdom-highlights. I must be very wise.
Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
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sooby
Jul 5, 2014 11:55 AM CST
Slime mold on turf can be removed by raking, brushing or a blast of water, it's not a disease.
I've only seen it once and didn't do anything about it, it went away and hasn't been back since.

Ken's problem (assuming Nostoc commune?) is apparently a cyanobacterium (formerly considered an alga) that grows in colonies. I think I've seen it around here, especially on some large rocks.

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