Brassica juncea
mustard
3 Related Pests
Pseudomonas syringae pv. maculicola
bacterium
Bacterium maccullochianum, Bacterium maculicola, Bacterium maculicola var. japonicum, Phytomonas maculicola, Pseudomonas maculicola
Africa: Algeria, Mauritius, Mozambique, South Africa, Zimbabwe; Asia: China, Georgia, Japan, North Korea, South Korea, Taiwan, Turkey; Europe: Bulgaria, Denmark, Finland, Germany, Italy, Netherlands, Norway, Russia, Ukraine, UK; North America: Bermuda, Canada, Cuba, El Salvador, Puerto Rico, USA; Oceania: Australia, Fiji, New Zealand; South America: Argentina, Brazil.
CA
China
2024-12-21
There is no evidence that seed is a pathway for this pathogen.
Brassicaceae family
No
Seed is not known to be a pathway.
Alternaria brassicola
fungus
Alternaria brassicae f. microspore, Alternaria brassicae var. minor, Alternaria circinans, Alternaria oleracea, Helminthosporium brassicae, Helminthosporium brassicicola, Macrosporium cheiranthi var. circinans, Macrosporium circinans, Macrosporium commune var. circinans, Polydesmus exitiosus f. alternarioides, Polydesmus exitiosus f. luxuriosum, Sporidesmium exitiosum f. alternarioides, Sporidesmium exitiosum f. luxuriosum, Sporidesmium septorioides
Worldwide
Widespread
Mexico
2024-11-09
Alternaria brassicicola is distributed around the world, especially on oleiferous brassicas. It is dispersed widely through seed and by the wind during crop harvest. (CABI)
Many crucifers. Main: brassica sp., melon, cucumber, common bean, radish, tomato, faba bean; Other: lettuce, kohlrabi
Yes
ALTEBI-2, ALTEBI-3, CABICPC
Seed as a pathway is well documented and accepted
Blotter or culture plating (ISTA)
ALTEBI-2, ALTEBI-3, CABICPC
Blotter, Seed wash, Culture plating, Agar plating, PCR
ALTEBI-4, ALTEBI-5, ISTA
ISTA describes both blotter and culture plating as standard methods
Chemical, Cultural
CABICPC
IPM programs, including crop rotation and sanitation. Seed treatments and disinfections are effective.
Humpherson-Jones FM, Maude RB, 1982. Studies on the epidemiology of Alternaria brassicicola in Brassica oleracea seed production crops. Annals of Applied Biology, 100:61-71
Humpherson-Jones FM, Hocart MJ, Ainsworth LF, 1983. Alternaria disease of brassica seed crops. 33rd Annual Report for 1982, National Vegetable Research Station Wellesbourne, Warwick UK, 63-64
Bassey and Gabrielson, 1983. Factors affecting accuracy of 2,4-D assays of crucifer seed for Alternaria brassicicola and relation of assays to seedling disease potential. Seed Sci. and Technol. 11:411-420
Wu WS, Chen TW, 1999. Development of a new semiselective medium for detecting Alternaria brassicicola in cruciferous weeds. Seed Science and Technology, 27:397-409
International Rules for Seed Testing. International Seed Testing Association; www.seedtest.org
Colletotrichum higginsianum
fungus
-
Africa: Tunisia; Asia: China, Singapore; North America: Guadaloupe, Jamaica, Martinique, Puerto Rico; Oceania: American Samoa; South America: Argentina.
FL
Brazil
2024-08-15
Colletotrichum higginsianum is a fungal pathogen that infects Brassicaceae plants like mustard, cabbage, and Arabidopsis, causing anthracnose disease with dark, sunken lesions on leaves, stems, and fruits.
Brassicaceae family
No
COLLHG-3, COLLHG-4
No evidence found indicating that seed is a pathway for Colletotrichum higginsianum in Brassica juncea.
COLLHG-3, COLLHG-4
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