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Avatar for LeftLion10
Sep 2, 2021 9:53 AM CST
UK
Hi Guys,

Just watering all my plants and noticed the roots on the bottom of my blue torch are yellow and fury? The rest of the plant is heathy and none of my other plants have this - besides needing repotting (doing this weekend) does anyone know what could be causing this??

Thank you!
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Sep 2, 2021 10:38 AM CST
Name: Tiffany purpleinopp
Opp, AL ☼🌷⚘🌹🌻 (Zone 8b)
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Avatar for LeftLion10
Sep 2, 2021 11:05 AM CST
UK
purpleinopp said:Compare to root aphids/mealybugs
https://mrec.ifas.ufl.edu/lso/...
https://www.canr.msu.edu/news/...


Thank you!

Can't quite tell what it is, as there are no visible insects on the plant. I'm about to move house so packing all my plants up - is it safe to pack this one up with the others and treat it after I move with pesticides?
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Sep 2, 2021 11:06 AM CST
Name: Tiffany purpleinopp
Opp, AL ☼🌷⚘🌹🌻 (Zone 8b)
Houseplants Organic Gardener Composter Region: Gulf Coast Miniature Gardening Butterflies
Garden Sages Plant Identifier Million Pollinator Garden Challenge Garden Ideas: Level 1 Hummingbirder Foliage Fan
Happy to provide info to investigate. Best luck with your move! The answers to your questions are beyond me, but I wish you the best and hope someone else might have more info.
The golden rule: Do to others only that which you would have done to you.
👀😁😂 - SMILE! -☺😎☻☮👌✌∞☯🐣🐦🐔🐝🍯🐾
The best time to plant a tree is 20 years ago. The 2nd best time is now. (-Unknown)
👒🎄👣🏡🍃🍂🌾🌿🍁❦❧ 🍃🍁🍂🌾🌻🌸🌼🌹🌽❀☀🌺
☕👓 The only way to succeed is to try! Try to be more valuable than a bad example.
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Sep 2, 2021 11:11 AM CST
Name: Arlene
Southold, Long Island, NY (Zone 7a)
Region: Ukraine Dahlias I was one of the first 300 contributors to the plant database! Houseplants Tomato Heads Garden Ideas: Level 1
Plant Identifier Photo Contest Winner: 2014 Million Pollinator Garden Challenge Celebrating Gardening: 2015
Consider isolating the plant, and possibly covering it with newspaper, for the move. Quarantine the plant when you arrive, then treat it and discard the paper.
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Sep 2, 2021 1:31 PM CST
Georgia (Zone 8a)
Region: Georgia Enjoys or suffers hot summers Dog Lover Plant Lover: Loves 'em all! Lover of wildlife (Raccoon badge) Birds
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I think cactus roots are fuzzy, but some of that could just be a soil mold/fungus resulting from sitting in a cache pot (moisture collects at the bottom, on the pot itself).
Last edited by Hamwild Sep 2, 2021 2:49 PM Icon for preview
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Sep 2, 2021 1:34 PM CST
Moderator
Name: Baja
Baja California (Zone 11b)
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I agree

I see more evidence of fungus than insect pests. I think Arlene's suggestion makes a lot of sense. I don't think there's necessarily anything else to do except maybe look at whether the bottom of the pot is being exposed to a lot of moisture in its new location.
Last edited by Baja_Costero Sep 2, 2021 1:35 PM Icon for preview
Avatar for Gardener2493
Sep 2, 2021 1:40 PM CST

Salvias Region: United States of America Cactus and Succulents Vegetable Grower Hibiscus Foliage Fan
Tropicals Bookworm Region: Arizona Morning Glories Container Gardener Aroids
I agree Definitely a fungus/mold. Fungi thrive on moisture and rotting material. Diluted neem oil does suppress them but it is not the only step you should take to get rid of fungus. Make sure not to overwater.
Last edited by Gardener2493 Sep 2, 2021 1:41 PM Icon for preview
Avatar for LeftLion10
Sep 2, 2021 2:56 PM CST
UK
Ah okay, thank you so much!

As i repot it, do you think I could remove the infected roots? The water goes straight through when I water it now so I think it is quite root bound.

Do I need to be concerned about it spreading to the other plants?

Thank you!
Avatar for Gardener2493
Sep 2, 2021 3:08 PM CST

Salvias Region: United States of America Cactus and Succulents Vegetable Grower Hibiscus Foliage Fan
Tropicals Bookworm Region: Arizona Morning Glories Container Gardener Aroids
LeftLion10 said:Ah okay, thank you so much!

As i repot it, do you think I could remove the infected roots? The water goes straight through when I water it now so I think it is quite root bound.

Do I need to be concerned about it spreading to the other plants?

Thank you!


I would recommend that you let the fungus go away first, and then repot.
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Sep 2, 2021 3:21 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Its either a slime mold or a fungus (there seems to be a lot of discussion amongst the 'experts' as to which). The only thing they agree on is its harmless. Its caused by high humidity and poor air flow. Don't change your repotting plans.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
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Avatar for Gardener2493
Sep 2, 2021 3:30 PM CST

Salvias Region: United States of America Cactus and Succulents Vegetable Grower Hibiscus Foliage Fan
Tropicals Bookworm Region: Arizona Morning Glories Container Gardener Aroids
DaisyI said:Its either a slime mold or a fungus (there seems to be a lot of discussion amongst the 'experts' as to which). The only thing they agree on is its harmless. Its caused by high humidity and poor air flow. Don't change your repotting plans.


Fungus has harmed my plants before. I had a sweet potato that died because it had fungus on it.
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Sep 2, 2021 3:31 PM CST
Georgia (Zone 8a)
Region: Georgia Enjoys or suffers hot summers Dog Lover Plant Lover: Loves 'em all! Lover of wildlife (Raccoon badge) Birds
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Not all fungi are harmful. Mushrooms are fungi too. Smiling
Avatar for Gardener2493
Sep 2, 2021 3:31 PM CST

Salvias Region: United States of America Cactus and Succulents Vegetable Grower Hibiscus Foliage Fan
Tropicals Bookworm Region: Arizona Morning Glories Container Gardener Aroids
Hamwild said:Not all fungi are harmful. Mushrooms are fungi too. Smiling


I know, but I am talking about mold. There was mold on my sweet potatoes and they died because of it. There is mold here too.
Last edited by Gardener2493 Sep 2, 2021 3:32 PM Icon for preview
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Sep 2, 2021 3:32 PM CST
Georgia (Zone 8a)
Region: Georgia Enjoys or suffers hot summers Dog Lover Plant Lover: Loves 'em all! Lover of wildlife (Raccoon badge) Birds
Hummingbirder Butterflies Bee Lover Garden Art
I don't believe mold and fungus are synonymous.
Avatar for Gardener2493
Sep 2, 2021 3:33 PM CST

Salvias Region: United States of America Cactus and Succulents Vegetable Grower Hibiscus Foliage Fan
Tropicals Bookworm Region: Arizona Morning Glories Container Gardener Aroids
Hamwild said:I don't believe mold and fungus are synonymous.


OK then, let's say mold then. Mold is still sometimes harmful. It can harm plants.
Last edited by Gardener2493 Sep 2, 2021 3:34 PM Icon for preview
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Sep 2, 2021 3:34 PM CST
Georgia (Zone 8a)
Region: Georgia Enjoys or suffers hot summers Dog Lover Plant Lover: Loves 'em all! Lover of wildlife (Raccoon badge) Birds
Hummingbirder Butterflies Bee Lover Garden Art
Big Grin

I'm sure Daisy's advice still holds though. Without enough moisture, the mold/fungus should die off.
Avatar for Gardener2493
Sep 2, 2021 3:35 PM CST

Salvias Region: United States of America Cactus and Succulents Vegetable Grower Hibiscus Foliage Fan
Tropicals Bookworm Region: Arizona Morning Glories Container Gardener Aroids
Hamwild said: Big Grin

I'm sure Daisy's advice still holds though. Without enough moisture, the mold/fungus should die off.


That is what I said. "I would recommend that you let it go away first." Smiling
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Sep 2, 2021 5:03 PM CST
Moderator
Name: Baja
Baja California (Zone 11b)
Cactus and Succulents Seed Starter Xeriscape Container Gardener Hummingbirder Native Plants and Wildflowers
Garden Photography Region: Mexico Plant Identifier Forum moderator Plant Database Moderator Garden Ideas: Level 1
I don't think this newly discovered organism is living off the plant so much as sharing its space, enjoying the nutrients and moisture and protection. As such it's probably not a threat to the plant so much as maybe a nuisance (if it clogs up the drainage holes) or just something that's better forgotten. I agree with Daisy. It's probably not an existential threat. I mean sure, isolate the plant and watch to make sure that there's nothing else going on, but I don't think this is the best time to declare chemical war or somehow mechanically cleanse the roots of this thing. Maybe let the inner pot drain for longer when you do water, so that water doesn't pool in the outer pot and keep a body of moisture underneath it. That's what I would do anyway. I try to distinguish between pests and cohabitators, even if I don't know everyone's names. Smiling

You mentioned the water seems to just pass through. One perverse consequence of soil going totally (bone) dry is that it actually resists rewetting when initially exposed to water. This is particularly true with peat and also somewhat true with cocofiber and other organic components. Its receptivity to rewetting improves dramatically when it is a bit moist. The first blast of water may mostly pass through, but if you were to wait 5-10 minutes and water again, you'd find that more was absorbed. As a general rule, I like to water in more than one pass, because the first pass only gets the soil moist, without allowing anything close to total saturation (my usual goal).

The thread "Sunday afternoon experiment: watering in multiple passes" in Gardening Ideas forum
Last edited by Baja_Costero Sep 2, 2021 5:07 PM Icon for preview
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Sep 2, 2021 7:00 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Rolling on the floor laughing Rolling on the floor laughing Rolling on the floor laughing Gardener2493, how many ways can you have it?
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org

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