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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Prunus > Fruit is brown or shriveled

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Prunus > Blossom/Fruit > Fruit is brown or shriveled

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  • Image: Brown rot 1
  • Image: Brown rot 2
  • Image: Brown rot 3

Brown rot
Monilinia fructicola

  • Sudden browning of blossoms or wilting of leaves
  • Sunken, darkened areas on twigs from which gums are exuded, also known as gummosis
  • Part or all of the ripening fruit develop a soft brown rot, then become shriveled and dusted with powdery tufts of tan to gray spores
  • Rotten fruit may remain attached to the tree or fall to the ground
  • More information on Brown rot
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  • Image: Plum pockets 1
  • Image: Plum pockets 2

Plum pockets
Taphrina communis or Taphrina pruni

  • As fruit develops, spongy white/light green areas develop on fruit
  • Fruits enlarge to 3 or 4 times the normal size then wither, and turn brown and leathery
  • Dry brown leathery fruit are fibrous and without a seed
  • Common on American and Canadian plum
  • More information on Plum pockets

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