For questions about plant diseases.

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4
votes
0answers
59 views

Dry brown patches on cayenne chilli plant leaves, leaves starting to curl, tiny black spots

Note: I have posted a previous question regarding my chilli plants, its details may help in diagnosing this new issue. You can see it here: White, fur like strands and spots on underside of chilli ...
2
votes
0answers
27 views

What's wrong with this Photinia fraseri tree?

I've got 3 photinia fraseri trees in my yard in Tucson, AZ. They were planted last May (2013) and one of them is turning entirely brown and losing all its leaves (over the course of the past month or ...
1
vote
0answers
32 views

What is wrong with my Mango plant?

I planted a mango seed this spring. And it went good. But growth stagnated after a while and totally stopped. Then I noticed some bulgy excrescence on the top, with a very dark almost black color. I ...