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Impatiens > Leaves > Wilted leaves

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  • Root rot plant 1
    Credit: Department of Plant Pathology Archive, North Carolina State University, Bugwood.org
  • Root rot close up 2

    Credit: Department of Plant Pathology Archive, North Carolina State University, Bugwood.org

  • Root rot plant 3

    Credit: Department of Plant Pathology Archive, North Carolina State University, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowRoot Rot
Pythium spp., Rhizoctonia solani

  • Leaves turn yellow and wilt
  • Plants are stunted
  • With Rhizoctonia sp., the base of the stem may turn brown and crack
  • Roots have brown sunken areas and lack root hairs
  • The outer root tissue is easily removed leaving behind thin, stringy root cores.
  • Disease favors cool, wet soil with poor drainage
  • Lab test necessary to distinguish between Rhizoctonia and Pythium Root Rot
  • More information on Rhizoctonia root rot
  • More information on Pythium root rot
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  • Impatiens Necrotic Spot Virus 1
    Credit: Robert Wick, University of Massachusetts, Bugwood.org
  • Impatiens Necrotic Spot Virus 2

    Credit: Jennifer Olson, Oklahoma State University, Bugwood.org

  • Impatiens Necrotic Spot Virus 3

    Credit: Jeffrey W. Lotz, Florida Department of Agriculture and Consumer Services, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowImpatiens Necrotic Spot Virus (INSV)

  • Symptoms are extremely variable
  • Stunted growth and wilting may occur
  • Leaf distortion; ringspots or black spots on leaves and stems; blackish/purplish coloration along leaf veins
  • Tip dieback and in some cases entire plant will collapse
  • Lab test needed to identify INSV since it is difficult to diagnose on symptoms alone
  • More information on INSV

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