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sunflower with disease

Posted by tropical_thought SF CA 10 (My Page) on
Wed, Aug 25, 10 at 17:03

This sun flower I got from a nursery kind of full grown, because I could not get any sun this summer to grow sunflowers. Now, we had a heat wave, it looked wilted, so I trimmed some of the leaves I found this. I now I have to dig it up and kill it, but what did I get so I can know better next time.

Here is a link that might be useful: link to flickr with sunflower leaf


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RE: sunflower with disease

  • Posted by jean001 z8aPortland, OR (My Page) on
    Wed, Aug 25, 10 at 17:37

If the spots don't move, it looks like the fungus disease rust.

If so, no overhead watering. And /or find a way to control the weather!


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RE: sunflower with disease

"If the spots don't move..." LOL, good one, Jean!

Here's a rust infected leaf for you to compare. Looks like the same thing to me, too.

Here is a link that might be useful: click here


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RE: sunflower with disease

Jean and rhizo, what would you recommend to treat rust on perrenials (other than no over-head watering)?


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