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.

Xanthomonas hortorum pv. pelargonii (Brown 1923) Vauterin et al. 1995 Bacterial blight of geranium


California Pest Rating Proposal for

Xanthomonas hortorum pv. pelargonii (Brown 1923) Vauterin et al. 1995 Bacterial blight of geranium
Current Rating: C
Proposed Rating: C

Comment Period: 6/30/2020 – 8/14/2020


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Posted by ka

Dickeya chrysanthemi (Burkholder et al., 1953) Samson et al., 2005 Bacterial wilt


California Pest Rating Proposal for

Dickeya chrysanthemi (Burkholder et al., 1953) Samson et al., 2005 Bacterial wilt
Current Rating: C
Proposed Rating: C

Comment Period: 6/30/2020 – 8/14/2020


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Posted by ka

Phytopythium vexans (de Bary) Abad, de Cock, Bala, Robideau, Lodhi & Lévesque 2014


California Pest Rating Proposal for

Phytopythium vexans (de Bary) Abad, de Cock, Bala, Robideau, Lodhi & Lévesque 2014
Current Rating: Z
Proposed Rating: C

Comment Period: 6/30/2020 – 8/14/2020


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Posted by ka

Erisyphe pisi (de Candolle 1805) ex St-Amans Powdery mildew of peas


California Pest Rating Proposal for

Erisyphe pisi (de Candolle 1805) ex St-Amans Powdery mildew of peas
Current Rating: Z
Proposed Rating: C

Comment Period: 6/30/2020 – 8/14/2020


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Posted by ka

Pseudoidium hortensiae (Jørst.) U. Braun & R.T.A. Cook 2012 Hydrangea powdery mildew


California Pest Rating Proposal for

Pseudoidium hortensiae (Jørst.) U. Braun & R.T.A. Cook 2012 Hydrangea powdery mildew
Current Rating: Z
Proposed Rating: C

Comment Period: 5/22/2020 – 7/6/2020


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Posted by ka

Boehmeria cylindrica, bog-hemp, false nettle, smallspike false nettle


California Pest Rating Proposal for

Boehmeria cylindrica, bog-hemp, false nettle, smallspike false nettle
Current Rating:
Proposed Rating: C

Comment Period: 5/22/2020 – 7/6/2020


*NOTE:

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Posted by ka

Tubakia californica Rooney-Latham & U. Braun 2018


California Pest Rating Proposal for

Tubakia californica Rooney-Latham & U. Braun 2018 Tubakia leaf spot of oaks
Current Rating: Z
Proposed Rating: C

Comment Period: 5/5/2020 – 6/19/2020


*NOTE:

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Posted by ka