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.

Ophiostoma ulmi (Buisman) Nannf. 1934 ≡Ceratocystis ulmi (Buisman) C. Moreau 1952 Dutch elm disease


California Pest Rating for

Ophiostoma ulmi (Buisman) Nannf. 1934 ≡Ceratocystis ulmi (Buisman) C. Moreau 1952 Dutch elm disease
Pest Rating: C



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Posted by tn

Fusarium oxysporum f. sp. vasinfectum (G.F. Atk.) W.C. Snyder & H.N. Hansen 1940 Fusarium wilt of cotton


California Pest Rating for

Fusarium oxysporum f. sp. vasinfectum (G.F. Atk.) W.C. Snyder & H.N. Hansen 1940 Fusarium wilt of cotton
Pest Rating: C



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Posted by ta

Eichhornia crassipes (Mart.) Solms, water hyacinth, common water hyacinth, floating water hyacinth


California Pest Rating for

Eichhornia crassipes (Mart.) Solms, water hyacinth, common water hyacinth, floating water hyacinth
Pest Rating: C



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Posted by tn

Xanthomonas hortorum pv. carotae Vauterin, Hoste, Kersters & Swings 1995 (syn = X. campestris pv. carotae) Bacterial blight of carrot


California Pest Rating for

Xanthomonas hortorum pv. carotae Vauterin, Hoste, Kersters & Swings 1995 (syn = X. campestris pv. carotae) Bacterial blight of carrot
Pest Rating: C



*NOTE

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Posted by tn