What's wrong with my plant? Give us your feedback

Apples > Leaves > Rolled or deformed leaves

1 of 3
  • Image: Powdery Mildew 1
    Credit: Clemson Univ. Bugwood.org
  • Image: Powdery Mildew 2

    Credit: UGA, Bugwood.org

  • Image: Powdery Mildew 3

    Credit: Clemson Univ. Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowPowdery Mildew
Podosphaera leucotricha

  • Part or all of infected leaves are covered in white-gray, felt-like patches
  • Infected leaves will curl, twist, or fold upward
  • Infected blossoms are distorted, discolored, and covered in white powdery fungal growth
  • Infected fruit have bronze, corky streaks, that are skin deep
2 of 3
  • Image: Obliquebanded Leafroller 1
    Credit: USDA Forest Service - Region 8 Archive, USDA Forest Service, Bugwood.org
  • Image: Obliquebanded Leafroller 2

    Credit: Minnesota Dept. of Agriculture

  • Image: Obliquebanded Leafroller 3

    Credit: J. Hahn, University of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowObliquebanded Leafroller
Choristoneura rosaceana

  • Early season larvae feed on the undersurface of a leaf along the midrib or other large vein
  • Early season larvae feed inside bud clusters and developing fruit, resulting in fruit drop or corky scars on the fruit
  • Late season larvae can scar the fruit
  • Larvae are yellow-green and 1” in length when mature
  • Adult moth is reddish-brown with brown bands on the wings
  • More information on Obliquebanded Leafroller...
9 of 9
  • Image: Redbanded Leafroller 1
    Credit: Minnesota Dept. of Agriculture
  • Image: Redbanded Leafroller 2

    Credit: Clemson University - USDA Cooperative Extension Slide Series, ,
    Bugwood.org

  • Image: Redbanded Leafroller 3

    Credit: J. Hahn, University of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowRedbanded Leafroller
Argyrotaenia velutinana

  • Larvae skeletonize leaves from the underside, folding and webbing the leaves together
  • Fruit injury is usually shallow with ragged edges and thick, corky tissue over the damaged area
  • Larvae are green with a green head, and reach about ½" at maturityLarvae are yellow-green and 1” in length when mature
  • Larvae are present early May – June
  • Adults have distinct red-brown bands on the forewings that form a V-shape when at rest, and are about ¼" in length

Don't see what you're looking for?