White blister-looking spots

Trouble shoot problems you are having with your cactus.
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Lennysm
Posts: 4
Joined: Sat Mar 25, 2017 5:14 pm

White blister-looking spots

Post by Lennysm »

Hey guys, so I checked my cacti today and discovered this weird white spots that look like blisters, I also pinched the smaller one as you can see and white something is coming out of it.
Any idea what this might be?

Thank you in advance!

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ElieEstephane
Posts: 2909
Joined: Tue Dec 13, 2016 12:10 am
Location: Lebanon (zone 11a)

Re: White blister-looking spots

Post by ElieEstephane »

Lennysm wrote:Hey guys, so I checked my cacti today and discovered this weird white spots that look like blisters, I also pinched the smaller one as you can see and white something is coming out of it.
Any idea what this might be?

Thank you in advance!

Image
Some mammillarias have a milky sap that they secrete when they get damaged. Maybe a mechanical damage occured to your mammillaria.
There are more cacti in heaven and earth, Horatio, than are dreamt of in your philosophy.
One of the few cactus lovers in Lebanon (zone 11a) :mrgreen:
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hegar
Posts: 4596
Joined: Mon Jan 23, 2006 4:04 am
Location: El Paso, Texas

Re: White blister-looking spots

Post by hegar »

I agree, the white substance is dried plant sap.

Harald
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