Plum Pox Symptoms: While yellow or brown blotches or rings on the
leaves or fruit of Prunus plants are notable characteristics of
plum pox, there are a number of other symptoms that may appear,
including: severely deformed and bumpy fruit; leaf distortion
and drop; and deformed, discoloured seeds. Because infected
Prunus trees exhibit such a wide range of leaf, flower, and fruit
symptoms, educating survey crews, diagnosticians, growers, and
nurserymen about the broad range of PPV symptoms is crucial to
detecting plum pox.
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