Byssothecium circinans Fuckel, teleomorph (ATCC® 52767)

Strain Designations: 42 [ATCC 52678, CBS 675.92, IMI 266220]  /  Product Format: frozen

Permits and Restrictions

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Deposited As Trematosphaeria circinans (Saccardo) Winter, teleomorph
Strain Designations 42 [ATCC 52678, CBS 675.92, IMI 266220]
Biosafety Level 1

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Product Format frozen
Storage Conditions Frozen: -80°C or colder
Freeze-Dried: 2°C to 8°C
Live Culture: See Propagation Section
Type Strain no
Preceptrol® no
Genome Sequenced Strain


Crown and root rot
Genome sequencing strain (the Joint Genome Institute at the Department of Energy, USA)
Name of Depositor G Semeniuk
Alfalfa, Medicago sativa, South Dakota

Boise J. On Trematosphaeria circinans and reinstatement of the genus Byssothecium. Mycologia 75: 666-669, 1983.

Semeniuk G. Association of Trematosphaeria circinans with crown and root rot of alfalfa in South Dakota. Mycologia 75: 744-747, 1983.

Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • USDA APHIS PPQ Permit 526, plant pathogens permit must be obtained and a copy of the permit must be sent to ATCC in advance of shipment. Isolation information for this item is required by USDA. Please check our website or contact Technical Service for assistance. Domestic isolates are easier to obtain than foreign isolates.
  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation