Sclerophthora macrospora

Sclerophthora macrospora is a species of oomycete or water mold, a type of fungus-like microorganism that is often aquatic. It is known to cause diseases in plants, particularly in grasses, and is commonly referred to as the causal agent of the disease downy mildew.

Taxonomy

The species belongs to the genus Sclerophthora, which is part of the family Peronosporaceae. The scientific name Sclerophthora macrospora was first described by the mycologist P.A. Saccardo in 1884.

Morphology

Sclerophthora macrospora is characterized by its macroscopic spores, which are larger than those of other species in the Sclerophthora genus. The spores are typically round or oval in shape, and are produced in large quantities during the reproductive phase of the organism's life cycle.

Pathogenicity

Sclerophthora macrospora is a pathogen of several species of grasses, including important agricultural crops such as wheat, barley, and oats. The organism infects the leaves and stems of the host plant, causing symptoms such as yellowing, wilting, and the development of a downy, white mold on the surface of the plant.

Management

Management of Sclerophthora macrospora involves a combination of cultural practices, such as crop rotation and the use of resistant varieties, and chemical control methods, including the application of fungicides.

See also

• List of downy mildew diseases
• Plant pathology

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