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Phlox > Distorted leaves

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  • Image: Herbicide 3
    Credit: Michelle Grabowski
  • Image: Herbicide 1

    Credit: Michelle Grabowski

  • Image: Herbicide 2

    Credit: Michelle Grabowski

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green arrowHerbicide Damage
Phenoxy herbicide ex. 2,4D

  • Leaves are twisted, cupped, or distorted
  • Leaves may appear thick and leathery
  • Veins in leaves are thick and close together
  • Side of the plant closest to the herbicide application is most severly affected
  • In severe cases the entire plant may be affected
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  • Image: aster yellows 1
    Credit: Bob Gasterland
  • Image: aster yellows 2

    Credit: Bob Gasterland

  • Image: aster yellows 3

    Credit: Bob Gasterland

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green arrowAster Yellows
The Aster Yellows Phytoplasma

  • Leaves and stems may be yellow, stunted and spindly
  • Flowers are small and distorted, petals may remain all or mostly green
  • A brush-like mass of weaek shoots may arise from the stem
  • Occurs most often in mid to late summer
  • More information on Aster Yellows...

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