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pest mark or disease ?

Posted by tired_of_digging z10 (My Page) on
Thu, Nov 16, 06 at 13:43

I left the house for a long trip. When I came back, I saw some of my cacti bearing these brown markings
Left: Sclerocactus sp. This one has a dented marking, as if it was nibbled by some insect.
Right: Borzicactus Samaipatanus, has a protruding marking. I tried to scrape it off, but it won't come-out.

Image link: pest mark or disease ? (56 k)


Follow-Up Postings:

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RE: pest mark or disease ?

I'll go with sun scorch.


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RE: pest mark or disease ?

I'll second that - diagnosis: sunburn

Strong sun by itself is not necessarily harmful, but combined with hot temperatures and poor air circulation, well, you see the results.


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