Orchids pest list

There were 48 species of orchid diseases, including 32 fungal diseases, 3 bacterial diseases, 5 nematode diseases, 6 viral diseases and 1 plasmodium disease.

Orchid fungal diseases

1. Orchid anthracnose

Pathogen: Colletotrichum gloeosporioides Penz.

2. Dendrobium leaf spot disease

Pathogen: Pseudocercospora dendrobil Goh&Hsleh

III. Orchid black spot

Pathogen: Cylindrosporium phalenopsidis Sawada

4. Orchid white silk disease

Pathogen: Sclerotium rolfsii Sacc

V. Orchid blight

Pathogen: Cylindrosporium padi Karst.

6. Crown rot of orchid

Phytophthora Palmivora Butler.

7. Orchid rot

Pathogen: Botrxtis cinerea Perx. exFr.

VIII. Round spot disease of orchid

Pathogen: Stasonos Pora curtisii (BerK.)

9. Sclerotinia sclerotiorum

Pathogen: Sclerotinia sclerotiorum Ectostromas P.

X. Orchid rust

Pathogen: l. Phoenician summer rust Uredo behnickiana P. Henn

2.Uredo guacae Mayor.

3.Sphenospora mera Cumm.

4. Sphenospora saphena Cumm.

5.Uredo epidendrum P.Henn.

6. Uredo negropunctata P.Henn

7. Uredo onctdii P.Henn

XI. Cercospora leaf spot

Pathogen: 1. Cercospora epipactiddis C.Massalonga

2.Cercospora dendrobtt Burnett

3. Cercospora angraeci Feullleaubols and Roumeguere

4. Cercospora cypripedii Ellis and Dearness

5.Cercospora odontoglossi Perlllieux and Delacrols

Other fungal diseases of orchids

1. LEAF SPOT CAUSED BY SEPHARIA FUNGI

Saptorla selenospores Cash and Waston

2. Leaf spot disease caused by Phyllosticta fungi

Phyllostictina pyrifrmis Cash and Watson

3. LEAF SPOT CAUSED BY FUNGI OF THE GENUS CHROMODORA

Pathogen: Diplodia laeliocattlryae Sibilia

4. orchid fly spot

Pathogen: Merothyriella rubi Petr.

5. orchids blotch

Pathogen: Gloeodes pomigena (Schw.) Colby

6. snow rot of orchid

Pathogen: Ptychogaster sp.

7. Vanilla root rot

Pathogen: Fusarium batatatis var. vanilliae Tucker

8. root rot of orchid

Pathogen: Rhizoctonia solani Kuehn

Pellicularia fllamentosa

9. Fusarium wilt

Pathogen: Fusarium oxysporum Catalan strain

Fusariurm coysportum Schlecht.f.sp.Cattleyae Foster

10. Curvularia blight

Pathogen: Sclerotina fucheliana

11. Phyllostictlna leaf spot

Pathogen: Phyllostictina citracarpa

Bacterial diseases of orchids

1. Orchid rot

Erwinia carotovora (Jones) Holland

II. Orchid brown rot

Pathogen: Erwinia Cypripedii (Hori) Bergy etal

III. Orchid brown spot disease

Pathogen: Pseudomonas cattlryae (Pavarlno) Savuleacu

orchid nematode disease

Pathogen:

1. Phaetomychus flavus

APhelenchoides ritzema-bosi（Schwartz） Steiner and Buhrer

2. Aphelenchoides bessryi Cheistie

3. A.composticola Franklin

4.A.aligarchtensis Slddlqo

5. root-knot nematode

Orchid virus disease

1. Orchid mosaic disease

Pathogen: Cymbidium mosaic virus (CyMV)

II. Orchid ring spot

Pathogen: Tobacco mosaic virus orchid strain (namely odontoglossum ring spot virus) ORSV

Cymbidium leaf spot virus

III. Cymbidium light mosaic disease

Pathogen: Cymbidium mosaic virus (CyMMV)

IV. Cymbidium ring spot

Pathogen: Cymbidium ring spot virus CyRV

V. Orchid spot disease

Pathogen: Orchid mottle virus (OrFV)

6. Dendrobium mosaic disease

Pathogen: Dendrobium mosaic virus (DeMV)

orchid broom

Pathogen: Mycoplasma MLO(Liu Zhongjian)