Anthracnose is a worldwide sickness of beans caused by the flora Colletotrichum lindemuthianum. ... It will cause sickness the least bit stages of plant growth, from seedlings to growing pods. Symptoms. On seedlings adult from infected seed, symptoms begin as little dark brown to black spots on the seed leaves.
The most hanging symptoms develop on the pods. Small, brown to black blemishes and distinct circular, brown lesions area unit typical symptoms (fig. 4). Mature lesions area unit enclosed by a circular, brown to black border with a greyish black interior (fig. 5). throughout dampish periods, the inside of the lesion could exude pink plenty of spores. Severely infected pods could shrivel, and also the seeds they carry area unit typically infected. Infected seeds have brown to black blemishes and sunken lesions
French, mung, and broad beans. There area unit many races of the flora. Varieties like Tweed surprise, Wellington surprise, and Redlands Beauty area unit proof against the a lot of ordinarily occurring race however are often severely full of the opposite less ofttimes occurring races.