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Japan

List of pests-diseases-weeds for crop/product: Pear (Pyrus)

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:

Alternaria alternata
Botryosphaeria dothidea
Stemphylium (anamorphic genus)
Venturia nashicola
Venturia pyrina

Ascomycota - Sordariomycetes:

Colletotrichum gloeosporioides
Cytospora ceratosperma
Dematophora necatrix
Diaporthe (genus)

Bacteria:

Dickeya dadantii
Erwinia (genus)
Erwinia amylovora
Erwinia pyrifoliae
Erwinia uzenensis
Rhizobium rhizogenes

Basidiomycota:

Fomitiporia torreyae
Gymnosporangium asiaticum

Plant viruses:

Apple stem grooving virus
Pear chlorotic leaf spot-associated virus

pests:

Diptera (plant parasitic):

Resseliella yagoi

Hemiptera - Sternorrhyncha:

Aphis gossypii
Aphis spiraecola
Cacopsylla chinensis

Lepidoptera:

Adoxophyes honmai
Ascotis selenaria
Carposina sasakii
Cossus insularis
Eumeta variegata
Grapholita molesta
Homona magnanima

Other insect orders (plant/storage pests):

Caliroa matsumotonis
Scirtothrips dorsalis

Other pests:

Amphitetranychus viennensis
Eriophyes chibaensis
Panonychus citri
Panonychus mori
Panonychus osmanthi
Tetranychus kanzawai
Tetranychus urticae