Taxonomic evaluation of anamorph characters in identification of powdery mildew fungi on cucurbits
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Authors
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M. WAJID KHAN and G.K. SHARMA
Plant Pathology and Plant Nematology Laboratories, Department of Botany, Aligarh Muslim University, Aligarh 202 002, India
Keywords:
Fibrosin bodies, forked germ tube, length/breadth index, appressorium, Sphaerotheca fuliginea, Erysiphe cichoracearumAbstract
Characteristics of Sphaerotheca fuliginea and Erysiphe cichoracearum anamorphs were examined from a large number of cucurbits collected from 9 states in India, to evaluate their use in identifying the species. Conidial shapes, presence of fibrosin bodies in conidia, conidial dimensions and length/breadth index, morphology of germ tubes and point of their origin, and development of appressoria were consistent characters, irrespective of cucurbit host and locality. It is suggested that the characteristics are of great taxonomic importance and can be reliably used to identify the species.
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