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Author Topic: Dark spots on T. bridgesii  (Read 59 times)

MinMinLights

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Dark spots on T. bridgesii
« on: November 22, 2018, 10:43:59 am »

Hi I noticed these darker spots on a T. bridgesii and wondered if they are something that require treatment. It's possible they have been there for some time without me noticing, but I recently cut into the plant by accident and wondered if I'd let some rot in or something.
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XDX

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Re: Dark spots on T. bridgesii
« Reply #1 on: November 27, 2018, 04:58:46 am »

i think those look fine, not totally sure what exactly you are worried about, but i see nothing that would concern me.

sometimes, when i move the cacti, or maybe if theres a strong wind, the cacti will bump into each other, and the spines of one cactus will poke into another. if the spine breaks the through the epidermis, it usually scars over with a small black spot. guess it could be from bugs too, i have had slugs do some damage. a similar thing happens if they experience  sunburn or other stress damage, except the scar is usually lighter in color, grey or tan. all of these seem mostly superficial.

are the black spots squishy? do they appear to be rotting? if so, then i would be concerned...



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