Plum Trees
Q.

brown rot

Zone 55947 | wildething added on August 23, 2016 | Answered

How long should I wait to replant after removing a plum that had severe brown rot and borers? Should I treat the ground with fungicide after removing the fallen mummies?

A.
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Alisma
Certified GKH Gardening Expert
Answered on August 24, 2016

There are some brown rot-resistant peach varieties, but I'm not sure about plums. Brown rot is not believed to overwinter in the soil, so if you can manage to remove every bit of fallen fruit you should be fine. Treating the ground with fungicide would be a good idea just to make sure.

These articles have some information on management and fungicide options, but the available products vary by state.

http://www.extension.umn.edu/Garden/yard-garden/fruit/integrated-pest-management-for-home-stone-fruit-growers/brown-rot/

http://www.caf.wvu.edu/kearneysville/disease_descriptions/ombrownr.html

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