Category Archives: C-Rated

“C”
A pest of known economic or environmental detriment and, if present in California, it is usually widespread. C-rated organisms are eligible to enter the state as long as the commodities with which they are associated conform to pest cleanliness standards when found in nursery stock shipments. If found in the state, they are subject to regulations designed to retard spread or to suppress at the discretion of the individual county agricultural commissioner. There is no state enforced action other than providing for pest cleanliness.

Pectobacterium betavasculorum (Thomson et al. 1984) Gardan et al. 2003 Bacterial vascular necrosis and rot of sugar beet

California Pest Rating Proposal for

Pectobacterium betavasculorum (Thomson et al. 1984) Gardan et al. 2003
Bacterial vascular necrosis and rot of sugar beet
Current Pest Rating: None
Proposed Pest Rating: C


Comment Period: 07/30/2026 through 09/13/2026


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Posted by SK

 

Neofusicoccum protearum (Denman & Crous) Crous, Slippers & A.J.L. Phillips 2006

California Pest Rating Proposal for

Neofusicoccum protearum
(Denman & Crous) Crous, Slippers & A.J.L. Phillips 2006
Current Pest Rating: Q/Z
Proposed Pest Rating: C


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Comment Period: 07/21/2026 through 09/04/2026


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Posted by SK

Plantago asiatica mosaic virus

California Pest Rating Proposal for


Plantago asiatica mosaic virus
Current Pest Rating: Z
Proposed Pest Rating: C


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Comment Period: 07/21/2026 through 09/04/2026


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Posted by SK

Cerotelium fici (Castagne) Arthur 1917 fig rust

California Pest Rating Proposal for

Cerotelium fici (Castagne) Arthur 1917
fig rust
Current Pest Rating: Z
Proposed Pest Rating: C


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Comment Period: 07/16/2026 through 08/30/2026


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Posted by SK

Synophropsis lauri (Horváth): laurel leafhopper

California Pest Rating Profile for

Synophropsis lauri (Horváth): laurel leafhopper
Pest Rating: C


Comment Period: 06/11/2026 through 07/26/2026


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Posted by SK

Xanthomonas hortorum pv. vitians (Brown) Morinière et al. 2020 Bacterial spot of lettuce

California Pest Rating Profile for

Xanthomonas hortorum pv. vitians (Brown) Morinière et al. 2020
Bacterial spot of lettuce
Pest Rating: C


Comment Period: 05/27/2026 through 07/11/2026


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Posted by SK

Podosphaera pannosa (Wallroth) de Bary Rose powdery mildew

California Pest Rating Profile for

Podosphaera pannosa (Wallroth) de Bary
Rose powdery mildew
Pest Rating: C


Comment Period: 04/16/2026 through 05/31/2026


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Posted by SK