What is this rot on my rose ?

g-in-fl(9a Florida)August 12, 2012

I noticed this rot on my new "The Impressionist" band today. We have had weeks and weeks of rain, and I have not checked my plants for two days because I've been ill.

I immediately cut the diseased portion off. Should I spray

with a fungicide?

Any information will be appreciated.

gracin

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michaelg(7a NC Mts)

No fungicide needed. If you didn't prune immediately (1/4") above a leaf joint or latent growth bud, then recut the stem. Roses will kill off stubs down to where there is a growth bud. Usually they will stop the dieback right there, but in this case something went wrong. Not a big deal at all--your rose should be just fine.

    Bookmark   August 13, 2012 at 12:49PM
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seil zone 6b MI

I've had this happen sometimes if I just snapped off the spent bloom and didn't prune back to a growth point. The rose will decided to grow from some point on the cane and anything above that is sacrificed and dies off. So I have to go back later and prune it off.

    Bookmark   August 14, 2012 at 4:27PM
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caldonbeck(UK (8))

As others have said, nothing to worry about here. Just a rose deciding to get rid of a bit of stem lol.

    Bookmark   August 14, 2012 at 11:28PM
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