Houseplants forum→Is my cactus diseased? Photos included

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Coralgamhow
Jul 27, 2021 2:37 AM CST
I've had this cactus for about two years now and its been really healthy and have always have this "fur" on it I guess you could call it.
but recently i just found these big chucks out of it and they have a thin whiteish coating on top of the chucks. I can't figure what it could be, if something eating it? It if mealy bugs of some sort? I don't know
Thumb of 2021-07-27/Coralgamhow/ef8024

Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
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DaisyI
Jul 27, 2021 10:56 AM CST
Welcome!

Can you post a photo of the entire cactus?

Its not rotting but unless you have a helpful cat ripping chunks out of it, something is going on.

How often do you water? How do you decide when its time to water? What kind of light does it get? If natural light what direction does the window face and where do you live?
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

Coralgamhow
Jul 27, 2021 11:34 AM CST
I do I have a cat but I haven't seen her have an interest in the plants but it's always possible I guess.
I water weekly but he's always all the way dried out when I do and if the soil is still moist I wait about a week.
I have him in direct sunlight in a west facing window, I live in Alaska so the sun can be a little odd.
Here's a full pic
Thumbs down
Thumb of 2021-07-27/Coralgamhow/8c1962

Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jul 27, 2021 9:13 PM CST
Its a type of Opuntia (prickly pear). Although a little stretchy (that west window doesn't have quite enough light), it looks to be in good health. Cactus are survivors - if you can balance light and water, they survive.
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

Coralgamhow
Jul 28, 2021 11:42 AM CST
What do you think the chucks are from?
Name: Omie
New York state (Zone 5b)
Beekeeper Cat Lover
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Omie
Jul 28, 2021 12:48 PM CST
I had one of these cactus for many years and mine got long and leggy, furry... it never got as much sun as it would have in the wild. But it had its own weird charm for many years...see photo.
Eventually it got soft/rotted and died off.
I think you need to be careful about watering too much. Remember it stores water inside. Personally, I would water it thoroughly once every two weeks, not weekly as you have been doing. Once these cacti reach internal water saturation, they can more easily rot. I don't know if your 'chuck' is due to rot, but it's a wound and as such is now vulnerable to rot. I believe the white surface is just scarring over.
Thumb of 2021-07-28/Omie/88193e

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