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Hydrangea (crop) - (Ornamentals)

Table of contents:
diseases
pests

(Detailed 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:

Ascomycota - Dothideomycetes:

Alternaria alternata
Alternaria compacta
Alternaria tenuissima
Boeremia exigua
Cladosporium tenuissimum
Corynespora cassiicola

Ascomycota - Leotiomycetes:

Botrytis cinerea
Erysiphe polygoni
Golovinomyces orontii
Pseudoidium hortensiae

Ascomycota - Sordariomycetes:

Colletotrichum gloeosporioides
Paramyrothecium roridum

Bacteria:

Pectobacterium versatile
Ralstonia solanacearum

Other fungal-like organisms:

Globisporangium spinosum
Globisporangium splendens
Phytophthora hedraiandra
Pythium myriotylum

Other plant diseases:

Phytoplasma asteris
Phytoplasma japonicum

Plant viruses:

Alfalfa mosaic virus
Cherry leaf roll virus
Hydrangea chlorotic mottle virus
Hydrangea ringspot virus

pests:

Coleoptera:

Systena frontalis

Hemiptera - Sternorrhyncha:

Brachycaudus helichrysi
Pulvinaria hydrangeae

Lepidoptera:

Epiphyas postvittana

Other insect orders (plant/storage pests):

Thrips hawaiiensis
Thrips setosus

Other pests:

Tetranychus kanzawai