Leptosphaeria maculans
black leg of curcifers, stem canker
Phoma brassicae, Phoma lingam, Phoma
oleracea, Phoma napobrassicae, Phyllosticta brassicae, Phyllosticta napi Sacc., Plenodomus lingam,
Pleospora maculans, Sphaeria lingam, Sphaeria
maculans
Worldwide
Widespread
2022-03-22
fungus
China, Korea
Restricted to Brassicaceae
LEPTMA
Seed transmission of this pathogen is well established and accepted by the seed industry. This pathogen has been reported in China and Korea (ARS GRIN)
4 Known Hosts
Brassica napus
rapeseed
Yes
LEPTMA-1
Seed transmission of this pathogen is well established and accepted by the seed industry
Yes
Blotter paper
This test has been validated by the ISTA and NSHS
Blotter paper is the standard method of the NSHS
LEPYMA-4, LEPYMA-5
Yes, The most effective product now is Coronet by BSAF. Mertect and Iprodione
The most effective products on the market are Coronet. Mertect and Iprodione. (Seed treatment information from manufacture labels and seed industry practices.)
ISFRPLD
Leptosphaeria maculans In: Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
Seed Health Testing Method for Phoma lingum Br 2.1 National Seed Health System. http://www.seedhealth.org
Detection of Leptosphaeria maculans in Brassica sp. Seed. 2016 International Seed Testing Association. Seed Health Test Methods 2016. www.seedtest.org
Brassica oleracea vars.
cabbage, cauliflower, broccoli, brussel sprout
Yes
LEPYMA-2, ISFRPLD
Seed transmission of this pathogen is well established and accepted by the seed industry
Yes
Blotter paper
This test has been validated by the ISTA and the NSHS
Blotter paper is the standard method of the NSHS
LEPYMA-4, LEPYMA-5
Yes, The most effective product now is Coronet by BSAF. Mertect and Iprodione
The most effective products on the market are Coronet. Mertect and Iprodione. (Seed treatment information from manufacture labels and seed industry practices.)
ISFRPLD
Jacobsen BJ, Williams PH, 1971. Histology and control of Brassica oleracea seed infection by Phoma lingam. Plant Disease Rprt 55:934-938.
Seed Health Testing Method for Phoma lingum Br 2.1 National Seed Health System. http://www.seedhealth.org
Detection of Leptosphaeria maculans in Brassica sp. Seed. 2016 International Seed Testing Association. Seed Health Test Methods 2016. www.seedtest.org
Brassica rapa
turnip, chinese cabbage
Yes
LEPYMA-2
Seed transmission of this pathogen is well established and accepted by the seed industry
Yes
Blotter paper
This test has been validated by the ISTA and NSHS
Blotter paper is the standard method of the NSHS
LEPYMA-4, LEPYMA-5
Yes, The most effective product now is Coronet by BSAF. Mertect and Iprodione
The most effective products on the market are Coronet. Mertect and Iprodione. (Seed treatment information from manufacture labels and seed industry practices.)
ISFRPLD
Jacobsen BJ, Williams PH, 1971. Histology and control of Brassica oleracea seed infection by Phoma lingam. Plant Disease Rprt 55:934-938.
Seed Health Testing Method for Phoma lingum Br 2.1 National Seed Health System. http://www.seedhealth.org
Detection of Leptosphaeria maculans in Brassica sp. Seed. 2016 International Seed Testing Association. Seed Health Test Methods 2016. www.seedtest.org
Raphanus sativus
radish
Yes
LEPYMA-2
Seed transmission of this pathogen is well established and accepted by the seed industry
Yes
Blotter paper
This test has been validated by the ISTA and NSHS
Blotter paper is the standard method of the NSHS
LEPYMA-4, LEPYMA-5
Yes, The most effective product now is Coronet by BSAF. Mertect and Iprodione
The most effective products on the market are Coronet. Mertect and Iprodione. (Seed treatment information from manufacture labels and seed industry practices.)
Jacobsen BJ, Williams PH, 1971. Histology and control of Brassica oleracea seed infection by Phoma lingam. Plant Disease Rprt 55:934-938.
Seed Health Testing Method for Phoma lingum Br 2.1 National Seed Health System. http://www.seedhealth.org
Detection of Leptosphaeria maculans in Brassica sp. Seed. 2016 International Seed Testing Association. Seed Health Test Methods 2016. www.seedtest.org
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