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Pakistan Journal of Biological Sciences
  Year: 2013 | Volume: 16 | Issue: 24 | Page No.: 2054-2057
DOI: 10.3923/pjbs.2013.2054.2057
 
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Effects of Temperature and pH on Mycelium Growth of Phoma sorghina (Sacc.) Boerema Dorenbosch and Van Kesteren in vitro
Bonzi Schemaeza, Irenee Somda, Paco Sereme, Toudou Adam and R. Adele Ouedraogo

Abstract:
The effects of temperatures 22, 28, 32, 36 and 40°C and those of pH 5, 6.5 and 6 were evaluated on 11 isolates of P. sorghina on malt agar medium. The optimal mycelium growth of the most isolates is noted at 28°C. At 32°C, we have recorded a significant reduction of mycelium growth of all the isolates tested when compared with the control at 22°C. At this same temperature, P. sorghina isolates can be group on sensitive isolates, on moderately isolates and on resistant isolates to temperature. The mycelium growth of all the isolates is inhibited at 36°C. On the other hand, the temperature of 40°C kills the mycelium of all the isolates of P. sorghina. The results of our work also show that, least variation of pH (6.5-6) significantly reduced the mycelium growth of P. sorghina isolates at 22 and 28°C. At pH 5 most of the isolates tested are well adapted and the mycelium growth is more important when compare with that at pH 6.
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How to cite this article:

Bonzi Schemaeza, Irenee Somda, Paco Sereme, Toudou Adam and R. Adele Ouedraogo, 2013. Effects of Temperature and pH on Mycelium Growth of Phoma sorghina (Sacc.) Boerema Dorenbosch and Van Kesteren in vitro. Pakistan Journal of Biological Sciences, 16: 2054-2057.

DOI: 10.3923/pjbs.2013.2054.2057

URL: https://scialert.net/abstract/?doi=pjbs.2013.2054.2057

 
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