Magnolia "Yellow Bird" sudden death

Discussion in 'Magnoliaceae' started by greenfiend, Jul 16, 2008.

  1. greenfiend

    greenfiend Member

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    South Okanagan, Canada
    Late last summer our ~15 yr old Yellow Bird Magnoila died very suddenly. It began with the leaves on entire branches on one side of the tree turning yellow, wilting and dessicating rapidly. Within 2 weeks one half side of the tree was affected. By late October the entire tree was brown and crispy. The tree failed to leaf out this Spring. Culturally nothing had changed and the tree had been growing vigorously in the same location for about ten years. Surrounding herbaceous plants looked fine. Herbicide damage was not an option. I suspect some kind of pathogen. Does anyone know what could cause such rapid decline in Magnoila? Is the taxon Yellow Bird prone to any particular diseases?
  2. Ron B

    Ron B Paragon of Plants 10 Years

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    WA USA (Z8)
    Check base of stem for honey fungus (Armillaria). Although requiring moist soil perhaps there is some present over there. It kills trees and shrubs near the soil line, creating more dead wood for it to decompose.

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