During March, 1976, the infected leaves of Phlox drummondii were collected from Govt.Garden Faizabad. On examination Melanospora zamiae Corda was identified as causal organism. Earlier this fungus has not been found causing a disease on P. drummondii in India. The spots appeared to be earthy grey to light brown, irregular, not exceeding 0.5 cm square area of the leaf on the ventral surface. Artificially infected healthy plants of Phlox drummondii developed characteristic disease spots within 16-20 days. Reisolations from artificially produced spots gave Melanospora zamiae. The specimen has been deposited in the Herbarium...
Tuesday, 11 September 2018
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