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Ahmed,, M., Kararah, M., Abdel-Momen, S., Elharrany, O. (2009). PATHOLOGICAL AND MOLECULAR VARIATION AMONG SOME ISOLATES OF Fusarium oxysporum F.SP. lycopersici FROM TOMATO ROOTS. Journal of Plant Protection and Pathology, 34(7), 8335-8351. doi: 10.21608/jppp.2009.217246
M. A. M. Ahmed,; M. A. Kararah; S. M. Abdel-Momen; Omnia M. Elharrany. "PATHOLOGICAL AND MOLECULAR VARIATION AMONG SOME ISOLATES OF Fusarium oxysporum F.SP. lycopersici FROM TOMATO ROOTS". Journal of Plant Protection and Pathology, 34, 7, 2009, 8335-8351. doi: 10.21608/jppp.2009.217246
Ahmed,, M., Kararah, M., Abdel-Momen, S., Elharrany, O. (2009). 'PATHOLOGICAL AND MOLECULAR VARIATION AMONG SOME ISOLATES OF Fusarium oxysporum F.SP. lycopersici FROM TOMATO ROOTS', Journal of Plant Protection and Pathology, 34(7), pp. 8335-8351. doi: 10.21608/jppp.2009.217246
Ahmed,, M., Kararah, M., Abdel-Momen, S., Elharrany, O. PATHOLOGICAL AND MOLECULAR VARIATION AMONG SOME ISOLATES OF Fusarium oxysporum F.SP. lycopersici FROM TOMATO ROOTS. Journal of Plant Protection and Pathology, 2009; 34(7): 8335-8351. doi: 10.21608/jppp.2009.217246

PATHOLOGICAL AND MOLECULAR VARIATION AMONG SOME ISOLATES OF Fusarium oxysporum F.SP. lycopersici FROM TOMATO ROOTS

Article 15, Volume 34, Issue 7, July 2009, Page 8335-8351  XML PDF (609.43 K)
Document Type: Original Article
DOI: 10.21608/jppp.2009.217246
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Authors
M. A. M. Ahmed,1; M. A. Kararah1; S. M. Abdel-Momen2; Omnia M. Elharrany2
1Plant Pathology Dept., Fac. Agric., Cairo Univ.
2Plant Pathology Res. Inst., Agric. Res. Center
Abstract
Fusarium wilt disease is among the serious diseases that attack different tomato cultivars causing loss of stand yield. Pathological and Molecular variations among certain isolates of Fusarium oxysporum lycopersici, collected from diseased tomato plants grown in different governorates of Egypt, were studied in this investigation. The pathogenicity tests were performed for the isolates F. oxysporum f.sp. lycopersici which isolated from samples of tomato roots cv. Castle Rock.  These isolates were collected from different locations in Egypt (El-Gharbiya, El-Qalubia, Beni-Sueif, El-Nubaria, South Tahrir, Kafr El-Sheikh, El-Salhiya, Giza, Al-Arish, El-Ismailia, Sohag and El-Fayoum). The results showed that all isolates were pathogenic, with different degrees of pathogenicity. The electrophoretic study of F. oxysporum f.sp < em>. lycopersici had high degrees of similarity and no relation between the protein profiles and the geographic source. On the other hand, the fingerprinting technique with DNA through using RAPD-PCR showed that there was no clear relationship between genetic and geographic origin.
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