Publications for:

pest = Armillaria (genus)
crop = Pear (Pyrus)

found 2 publications:

1998

Spatial distribution of Armillaria mellea in pear orchards
Plant Disease (1998) 82 (11), 1226-1231
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1996

Distribution and biology of Armillaria in pear orchard
Phytopathology (1996) 86 (11 suppl.), S61
pestinfo wiki