Revealing Root Rot

A Master Gardener demonstrates how to detect two common root pathogens in woody plants. If you are searching for possible infection below the bark, start with small nicks and if you find decay, further bark removal might help to discover the extent of the infection.
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[@lizzyl5112]

Thank you for your video. It is very informative.

[@Bw40099]

my dads house has 150+ year old norway spruces in the front and 2 of the 3 have white spots on the roots that are above the soil and the roots above the soil are becoming mushy please help because i am very worried about the trees

[@11219tt]

What causes root rot?

[@mgsantaclara]

Fungi