Effect of different media, temperature, pH on the growth of Macrophomina phaseolina (Tassi) Goid causing root rot of sesame


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Effect of different media, temperature, pH on the growth of Macrophomina phaseolina (Tassi) Goid causing root rot of sesame

Authors

  • M SURYA PRAKASH REDDY ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • M SANTHA LAKSHMI PRASAD ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • R D PRASAD ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • JAYANT BHATT ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana

https://doi.org/10.56739/jor.v37iSpecialissue.141084

Keywords:

Media, Growth, Macrophomina, Sesame

Abstract

Among fungal diseases, stem root rot or charcoal rot caused by Macrophomina phaseolina (Tassi) Goid is
widely distributed and highly destructive disease of sesame. Different synthetic media were tested to select suitable media for the growth of M. phaseolina. Among them, oat meal agar, malt dextrose, Elad and Chet medium showed significantly high mycelial growth at 120 hrs. The maximum growth of M. phaseolina was observed at 30, 35 and 40°C which indicates preference towards higher temperatures and also maximum growth recorded at 5 and 7 pH. Extracts of safflower, mustard, sunflower, groundnut, soybean and sesame amended in media have shown more mycelial growth of M. phaseolina while castor stem extract recorded lowest growth. 

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References

Khan S N 2007. Macrophomina phaseolina as causal agent for charcoal rot of sunflower. Mycopathology, 5(2):111- 118.

Sukanya R, Jayalakshimi S K and Girish G 2016. Effect of temperature and pH levels on the growth of Macrophomina

phaseolina (Tassi) Goid infecting sorghum. International Journal of Agriculture Sciences, 37: 1768-1770.

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Submitted

2023-08-18

Published

2020-03-12

How to Cite

M SURYA PRAKASH REDDY, M SANTHA LAKSHMI PRASAD, R D PRASAD, & JAYANT BHATT. (2020). Effect of different media, temperature, pH on the growth of Macrophomina phaseolina (Tassi) Goid causing root rot of sesame: Effect of different media, temperature, pH on the growth of Macrophomina phaseolina (Tassi) Goid causing root rot of sesame. Journal of Oilseeds Research, 37(Specialissue). https://doi.org/10.56739/jor.v37iSpecialissue.141084