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Journal of Agronomy
  Year: 2006 | Volume: 5 | Issue: 2 | Page No.: 350-355
DOI: 10.3923/ja.2006.350.355
 
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Effect of Temperature on Aggressivity of Tunisian Fusarium species Causing Potato (Solanum tuberosum L.) Tuber Dry Rot

M. Daami-Remadi, H. Jabnoun-Khiareddine , F. Ayed and M. El Mahjoub

Abstract:
Mycelial growth on PDA of Fusarium graminearum, F. oxysporum f. sp. tuberosi, F. sambucinum and F. solani, causal agents of potato tuber dry rot, depends upon temperatures ranging from 5 to 40°C. An interaction between pathogens tested and temperatures used for culture incubation was observed (at p≤0.05). These Fusarium species showed in vivo both thermal pics of aggressivity: a first one at low temperatures (10-15°C) and a second at higher temperatures (30-35°C). Nevertheless, at temperatures less than 25°C, F. sambucinum and F. graminearum were the most aggressive, while F. solani was the most aggressive at temperatures superior to 30°C.
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How to cite this article:

M. Daami-Remadi, H. Jabnoun-Khiareddine , F. Ayed and M. El Mahjoub , 2006. Effect of Temperature on Aggressivity of Tunisian Fusarium species Causing Potato (Solanum tuberosum L.) Tuber Dry Rot. Journal of Agronomy, 5: 350-355.

DOI: 10.3923/ja.2006.350.355

URL: https://scialert.net/abstract/?doi=ja.2006.350.355

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