Leptosphaeria maculans
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Leptosphaeria maculans is a fungal pathogen of the phylum Ascomycota that is the causal agent of blackleg disease on Brassica crops. Its genome was one of the original plant pathogens that were sequen
Leaf disease symptoms caused by Leptosphaeria maculans on Brassica napus. The leaf on the left shows necrosis caused by the fungus including the production of black pycnidia within the white lesions, whereas the younger leaf on the right is relatively disease free.
Rapeseed
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Rapeseed, also known as rape and oilseed rape and canola, is a yellow-flowered member of the Brassicaceae family.
Leptosphaeria maculans
…the fungus can directly penetrate roots). L. maculans infects a wide variety of Brassica crops including cabbage (Brassica oleracea) and oilseed rape (Brassica napus). L. maculans is especially virulent on Brassica napus. The first dramatic epidemic of L. maculans occurred in Wisconsin on cabbage. The disease is…
Brassica napus Köhler–s Medizinal Pflanzen 169
Pod with seeds inside
A single seed seen through a microscope
The Yellow Cloud by Hanno Karlhuber