Indian Phytopathology

, Volume 71, Issue 3, pp 385–391 | Cite as

Studies on biology and environmental factors affecting the development of tomato powdery mildew under protected cultivation

  • Arushi Rana
  • A. B. Malannavar
  • D. K. BanyalEmail author
Research Article


The morphological and molecular characterization using primers EryF and EryR confirmed the associated pathogen with collected samples of tomato powdery mildew as Oidium neolycopersici. Incubation and latent period of the pathogen under in vitro was 4 and 5 days, respectively, however it was 5 days for both under in vivo. Effect of weather variables on the disease development in March 30th and August 30th transplanted crop showed that low temperature and high relative humidity were most favourable factors for disease development. The studies on colonization behavior of the pathogen showed that tissue colonization was directly proportional to the disease severity.


Tomato Powdery mildew Oidium neolycopersici Biology Colonization behavior Incubation and latent period 


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Copyright information

© Indian Phytopathological Society 2018

Authors and Affiliations

  1. 1.Department of Plant PathologyCSK HPKVPalampurIndia

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