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Pyrenophora teres (net blotch )
Pyrenophora teres
net blotch
Drechslera teres, Helminthosporium teres
Worldwide
AK, ID, ND
2024-10-13
fungus
Thailand
Main: barley; Other: oats, wheat, corn
PYRNTE
4 Known Hosts
Hordeum vulgare
barley
Yes
PYRNTE-2,PYRNTE-4,PYRNTE-5,PYRNTE-6,CABI CPC,PYRNTE-9
Seed as a pathway is well documented and accepted.
Yes
Blotter assay, PCR
Though PCR has been described, ISTA Blotter method 7-027 is validated.
ISTA Blotter method
PYRNTE-3
Chemical, Cultural
Fungicide seed treatments is the most effective form of control. Remove debris from production area and delay planting barley in the same location for two-years is known to reduce inoculum and subsequent infection.
CABI CPC
PYRNTE-2
Matthews D and Hampton JG, 1977. A survey of New Zealand certified barley seed for the presence of pathogenic Drechslera species. New Zealand Journal of Experimental Agriculture, 5:331-33
PYRNTE-4
J. G. Hampton (1980) The role of seed-borne inoculum in the epidemiology of net blotch of barley in New Zealand, New Zealand Journal of Experimental Agriculture, 8:3-4, 297-29
PYRNTE-5
Jordan VWL, 1981. Aetiology of barley net blotch caused by Pyrenophora teres and some effects on yield. Plant Pathology, 30:77-8
PYRNTE-6
Zillinsky FJ, 1983. Common Diseases of Small Grain Cereals: A Guide to Identification. CIMMYT; International Maize and Wheat Improvement Center, Mexico City, Mexico.
CABI CPC
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
PYRNTE-9
Liu, Z., Ellwood, S. R., Oliver, R. P., & Friesen, T. L. (2011). Pyrenophora teres: profile of an increasingly damaging barley pathogen. Molecular plant pathology, 12(1), 1-19.
PYRNTE-3
Hampton JG; Matthews D, 1980. The evaluation of seed-borne Drechslera teres in barley - a note on methodology. Seed Science and Technology, 8:371-376
Triticum aestivum
wheat
No
CABI CPC
Wheat seed is not known to be a pathway.
CABI CPC
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
Avena sativa
oat
No
CABI CPC
Oat seed is not known to be a pathway.
CABI CPC
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
Zea mays
corn
No
CABI CPC,ISF RPLD
Corn seed is not known to be a pathway.
CABI CPC
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
ISF RPLD
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
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