Observations of Psylla Resistance Among Several Pear Cultivars and Species
DOI:
https://doi.org/10.71318/apom.1984.38.2.34Abstract
Pear psylla, Psylla pyricolaForester is a serious pest of pear trees. Psylla weaken the pear tree through feeding and discolor the fruit by producing honeydew exudate on which sooty mold grows. Severe tree losses can also occur from pear decline which is transmitted by psylla.
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