Category Archives: Plant Pathogens

Plant Pathology (plant diseases)

B-Rated, Fungi, Plant Pathogens, Ratings

Phaeotrichoconis crotalariae (M.A. Salam & P.N. Rao) Subram. (1956) Leaf spot of palms

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California Pest Rating Proposal for

Phaeotrichoconis crotalariae (M.A. Salam & P.N. Rao) Subram. (1956)
Leaf spot of palms
Current Pest Rating: Q
Proposed Pest Rating: B

Comment Period: 03/26/2026 through 05/10/2026

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Posted by SK

B-Rated, Fungi, Plant Pathogens, Ratings

Cercospora hydrangeae Ellis & Everh. (1892) Cercospora leaf spot of hydrangea

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California Pest Rating Proposal for

Cercospora hydrangeae Ellis & Everh. (1892)
Cercospora leaf spot of hydrangea
Current Pest Rating: Q
Proposed Pest Rating: B

Comment Period: 03/19/2026 through 05/03/2026

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Posted by SK

A-Rated, Bacteria

Xanthomonas oryzae pv. oryzae (Ishiyama, 1922) Swings et al., 1990 Rice bacterial blight

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California Pest Rating Proposal for

FXanthomonas oryzae pv. oryzae (Ishiyama, 1922) Swings et al., 1990
Rice bacterial blight
Current Pest Rating: None
Proposed Pest Rating: A

Comment Period: 02/25/2026 through 04/11/2026

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Posted by SK

A-Rated, Bacteria

Xanthomonas oryzae pv. oryzicola (Fang et al. 1957) Swings et al. 1990 bacterial leaf streak of rice

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California Pest Rating Proposal for

Xanthomonas oryzae pv. oryzicola (Fang et al. 1957) Swings et al. 1990
bacterial leaf streak of rice

Current Pest Rating: None
Proposed Pest Rating: A

Comment Period: 02/25/2026 through 04/11/2026

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Posted by SK

B-Rated, Fungi, Ratings

Fusarium phalaenopsidis Tsao et al., 2024 Phalaenopsis leaf yellowing

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California Pest Rating Proposal for

Fusarium phalaenopsidis Tsao et al., 2024
Phalaenopsis leaf yellowing
Current Pest Rating: Q
Proposed Pest Rating: B

Comment Period: 02/25/2026 through 04/11/2026

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Posted by SK

Bacteria, C-Rated, Plant Pathogens

Candidatus Phytoplasma trifolii Hiruki & Wang 2004 clover proliferation phytoplasma

California Pest Rating Proposal for

Candidatus Phytoplasma trifolii Hiruki & Wang 2004 clover proliferation phytoplasma

Current Pest Rating: None
Proposed Pest Rating: C

Comment Period: 02/19/2026 through 04/05/2026

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Posted by SK

C-Rated, Fungi, Plant Pathogens, Ratings

Fusarium asiaticum O’Donnell, Aoki, Kistler & Geiser 2004

California Pest Rating Profile for

Fusarium asiaticum O’Donnell, Aoki, Kistler & Geiser 2004
Pest Rating: C

Comment Period: 02/06/2026 – 03/23/2026

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Posted by SK

B-Rated, Bacteria, Ratings

Pseudomonas cannabina pv. cannabina (Sutic & Dowson) Bull, Manceau, Lydon, Kong, Vinatzer & Fischer-Le Saux 2010 Leaf spot of hemp

California Pest Rating Profile for

Pseudomonas cannabina pv. cannabina (Sutic & Dowson)
Bull, Manceau, Lydon, Kong, Vinatzer & Fischer-Le Saux 2010
Leaf spot of hemp

Pest Rating: B

Comment Period: 01/07/2026 – 02/21/2026

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Posted by SK

B-Rated, Bacteria, Ratings

Pseudomonas syringae pv. tagetis (Hellmers 1955) Young et al. 1978 Tagetes leaf spot

California Pest Rating Profile for

Pseudomonas syringae pv. tagetis (Hellmers 1955) Young et al. 1978
Tagetes leaf spot
Pest Rating: B

Comment Period: 01/07/2026 – 02/21/2026

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Posted by SK

B-Rated, Fungi, Plant Pathogens

Zasmidium citri-griseum (F.E. Fisher) U. Braun & P.W. Crous 2014 Greasy spot of citrus

California Pest Rating Profile for

Zasmidium citri-griseum (F.E. Fisher) U. Braun & P.W. Crous 2014
Greasy spot of citrus
Pest Rating: B

Comment Period: 12/11/2025 – 01/25/2026

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Posted by SK