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Blueberry > Leaves > Leaves discolored pale green to white

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  • Image: Iron Chlorosis
    Credit: Michelle Grabowski, University of Minnesota
  • Image: 2

    Credit: Michelle Grabowski, University of Minnesota

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green arrowAcidity Problem

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  • Image: Honeycrisp Leaf Mottle Disorder 1
    Credit: Florida Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org
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green arrowPowdery Mildew
Microsphaeria alnia var. vacinii

  • Powdery white fungal growth may be seen in spots, covering the upper surface of the leaf, or not at all
  • Leaves may be reddish green, have red spots or red rings
  • Leaves may be cupped or distorted around infections
  • Infected leaves fall off prematurely
  • Often seen mid to late summer
  • More information on Powdery Mildew...
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  • Image: Powdery Mildew 1
    Credit: Michelle Grabowski, University of Minnesota
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green arrowNitrogen Deficiency

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  • Image: Dogwood Borer 1
    Credit: Jim Luby, University of Minnesota
  • Image: Dogwood Borer 2

    Credit: Jim Luby, University of Minnesota

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green arrowTomato Ring spot virus

  • Leaves may be mottled pale green and yellow, and distorted
  • Brown spots may be seen on leaves and stems
  • Plants have poor growth and yield
  • Plants eventually die, often after a hard winter
  • More information on Tomato Ring spot virus...

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