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Discussion id : 10-802
most recent 10 JAN 06 HIDE POSTS
 
Initial post 8 JAN 06 by Anonymous-797
Rust and pruning concern: In coastal So.Calif. - will be pruning in Jan.to force dormancy, but a few plants have developed rust. I haven't treated because I will be removing all leaves soon, but will my cuts spread the disease? I can disinfect loppers between plants, but worry that the open cuts on infected plants will let spores in. Should I treat first and wait for results before pruning? Prune now and spray the remaining stems? These are 2nd year plants, with no major problems before (mildew/aphids yes, but almost no rust).
REPLY
Reply #1 of 1 posted 10 JAN 06 by Wendy C
Cleaning your lopers or pruners between plants is always a good idea, even when no disease is obvious. You can seal the canes with white glue if you are concerned about insects or illness.

Rust is air borne. It is also splashed unto the plants by rain or watering.

Clean up all fallen leaves when you force dormancy. Personally I wouldn't spray until the plants start to leaf out. Rust effects foliage, not canes. Start early and keep an eye out for signs of rust. This one can be hard to get rid of.

Good Luck
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