go to list of all crops and products

Pear (Pyrus) - (Fruits/grape)

List of pests-diseases-weeds for country: U.S.A. (SW)

Information on all pests, diseases and weeds can be found in the downloadable Excel files
click on a pest/disease/weed to display a list of relevant publications

diseases
pests

diseases:

Ascomycota - Dothideomycetes:

Diplodia seriata
Venturia pyrina

Ascomycota - Leotiomycetes:

Phlyctema vagabunda

Ascomycota - Sordariomycetes:

Eutypa lata

Bacteria:

Erwinia amylovora

Basidiomycota:

Armillaria mellea

Other fungal-like organisms:

Phytophthora lacustris

Other plant diseases:

Phytoplasma pruni
Phytoplasma pyri

pests:

Hemiptera - Sternorrhyncha:

Cacopsylla pyricola
Diaspidiotus perniciosus
Siphoninus phillyreae

Lepidoptera:

Choristoneura rosaceana
Cydia pomonella

Other pests:

Epitrimerus pyri
Eriophyes pyri
Panonychus ulmi
Tetranychus urticae