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Post Harvest Diseases :: Fruits :: Apple
White rot: Botryosphaeria dothidea
Symptoms:
  • One type -rot the fruit from the inside outward.
  • Entire apple becomes soft but retains its shape and takes on a light brown color.
  • Second type - white rot is small, brown, circular spots on the fruit, similar to bitter rot. The spots are softer than black rot and more cupped-shaped than bitter rot
White rot Dark brown spot

Management:

  • Eliminating dead wood, including current season's fire blighted twigs, and avoiding stub cuts is important for disease prevention.
  • Make pruning cuts properly and cut just outside of the bark ridge and collar tissue to promote rapid wound closure and healing.

Image source:

http://www.uky.edu/Ag/kpn/kpn_09/pn_090915.html,
http://ipm.illinois.edu/ifvn/volume10/frveg1015.html,
http://www.insectimages.org/browse/detail.cfm?imgnum=1496071

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