Questions tagged [rust]

Plant diseases caused by *Pucciniales* fungi.

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2answers
31 views

Metal rust with soil

We have raised iron beds in our organic community garden. They are going slightly rusty, will this be OK for the plants?
3
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1answer
25 views

Rust looking spots on most of the leaves of an Indian Guava (Psidium guajava)

My Indian Guava (18 months) has been getting more and more rust looking spots on its leaves. Front side: Back side: Is this a nutrition issue? (They are given a weak fertiliser about once every ...
4
votes
2answers
360 views

How should I deal with garlic rust after the harvest?

I've grown garlic that got infected with garlic rust. I had some luck in that the infection started late in the spring so the bulbs are actually pretty big - around 60g, cleaned. The garlic stems and ...
3
votes
1answer
3k views

Brown spots on herbs - treatment and are they ok to eat?

The leaves on all my garden herbs (mint, sage, oregano, thyme, lemon balm) get yellow-brown speckles from late spring, which by late summer almost entirely cover the leaves. What might this disease (...
2
votes
1answer
2k views

Repotting diseased chilli plants - possibly rust

My chilli plants appear to have developed rust after a bad attack from aphids! See photo below The leaves have also gone curly: My plan is to repot the plants, washing away the old soil and ...
3
votes
1answer
3k views

How should I treat Frangipani rust?

My frangipani experiences rust. How should I best treat/protect my plant from rust (all year round)? My plant experienced severe rust during December/January (Australian Summer). It was a very wet ...
8
votes
1answer
287 views

How do I get rid of box rust in December? Will fungicide work?

I have two buxus which have suffered a lack of water due to irrigation failing in the summer and no time to hand water them. There is a definite orange tinge to the first 2 or 3 inches of top growth. ...
10
votes
2answers
5k views

How do I treat rhubarb rust?

I have a small rhubarb plant and one of the stems has gotten some rust on it. What should I do? (there are only 3 small stems on the plant)