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Southern corn leaf blight (SCLB) is a fungal disease of maize caused by the plant pathogen Bipolaris maydis (also known as Cochliobolus heterostrophus in its teleomorph state). The fungus is an Ascomycete and can use conidia or ascospores to infect. [ 1 ]
Exserohilum was circumscribed by K. Leonard and Edna Suggs in 1974 to contain species formerly placed in Bipolaris with distinctly protruding hila. [2] Exsero which means stretch out and hilum which refers to the part of the organism. The truncate hila or hilum, protrudes from its distinct conidia which are ellipsoidal and distoseptate (forming ...
Cochliobolus miyabeanus is an important plant pathogen because it causes a common and widespread rice disease that causes high level of crop yield losses. It was a major cause of the Bengal famine of 1943, where the crop yield was dropped by 40% to 90% and the death of 2 million people was recorded. [3]
The fungal genus Cochliobolus includes 19 species, [1] it includes some plant pathogenic species such as Cochliobolus heterostrophus.A lot of former Cochliobolus species were transferred to either Curvularia or Bipolaris genera.
The fungus Cochliobolus sativus is the teleomorph (sexual stage) of Bipolaris sorokiniana (anamorph) which is the causal agent of a wide variety of cereal diseases. The pathogen can infect and cause disease on roots (where it is known as common root rot ), leaf and stem, and head tissue.
Cochliobolus heterostrophus is a fungal plant pathogen.It can cause southern corn leaf blight in maize.. Cochliobolus heterostrophus is found in many tropical regions and in the southern part of the US.
Bipolaris cactivora will overwinter in the asexual state as conidia on grass, weeds, and debris, although sometimes the mycelia will also live on debris or weeds. The pathogen normally begins to infect a host in late spring and early summer when the hosts start to flower and the temperature raises above 25 °C. [4]