Urocystis brassicae
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U. brassicae
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Urocystis brassicae Mundk., (1938)
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Urocystis brassicae is a gall smut and a plant pathogen that stunts the infected plants. It is known to create root galls on Indian Mustard (Brassica campestris) and other Brassica species.
Physical Characteristics
Gall Characteristics
The wart-like galls of U. brassicae grow on the roots of plants. When young, the galls are white in color. As they age, they become a grayish-black colored gall with a 2–5 cm diameter.
Spore Characteristics
U. brassicae has two types of spores. One is fertile and the other is sterile. Fertile spores are a deep brown color with dimensions of approximately 20 by 16µ. These fertile spores are surrounded by sterile spores that are elongated and a brighter brown than the fertile spores. These sterile spores are approximately 9.9 by 6.1µ.
Distribution of U. brassicae
U. brassicae is commonly found in India (Bihar) and China.