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Boxwood > Leaves > Leaves discolored white, yellow, or pale green

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  • Image: 1
    Credit: John Hartman, University of Kentucky, Bugwood.org
  • Image: 2

    Credit: Witney Cranshaw, Colorado State University, Bugwood.org

  • Image: 2

    Credit: Witney Cranshaw, Colorado State University, Bugwood.org

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green arrowPowdery mildew
Erisyphe polygoni

  • White spots or blotches on leaves
  • In severe cases leaves and young shoots may be completely covered with white powdery fungal growth
  • Leaves may be stunted, curled or puckered
  • More information on powdery mildew...
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  • Image: 1
    Credit: Chazz Hesselein, Alabama Cooperative Extension Service, Bugwood.org
  • Image: 2

    Credit: Michelle Grabowski,University of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowNon-selective herbicide injury
(Round-up, Kleen-up, and other glyphosate products)

  • Yellowing, wilting, browning leaves and eventual death of foliage and plants
  • Damage usually appears first in new tissues
  • Shrubs sprayed during the summer or fall may not have noticeable injury until the following season when leaves appear as stunted, narrow, strap-like, and chlorotic

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