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Indian Journal of Pure & Applied Biosciences (IJPAB)
Year : 2020, Volume : 8, Issue : 4
First page : (14) Last page : (24)
Article doi: :

Evaluation of Eleven Olive Cultivars Tolerance to Verticillium dahliae kleb

Hassan Laouane1,2, Hana Ighachane1,2, My Hassan Sedra2 and Hassan Bihi Lazrek1*
1Laboratory of Biomolecular and Medicinal Chemistry, Department of Chemistry,
Faculty of Sciences Semlalia, Marrakesh, Morocco 
2Laboratory of Genetic Phytopathology and microbial control, INRA, P.O. Box 533 Marrakesh, Morocco
*Corresponding Author E-mail:
Received: 2.07.2020  |  Revised: 4.08.2020   |  Accepted: 10.08.2020 


In this study, two effective screening methods were used to compare 11 Mediterranean olive varieties for their tolerance to Verticillium dahliae Kleb. (i) inoculation method using butanolic extract of Verticillium dahliae Kleb liquid culture (ii) A natural phytotoxin as a new rapid selection tool. The purpose of these in-vitro tests was to compare their effectiveness and their capacity to differentiate levels of tolerance /susceptibility to Verticillium wilt in Olive varieties. Result indicate that the two screening method have the same sensitivity in identifying variable levels of olive tolerance to Verticillium wilt. Both methods confirmed that Bel Elanza is highly tolerant cultivar. Hence, using natural phytotoxin was less costly and requires less time and space than the standard inoculation and evaluation methods like pot immersion, bare-root dipping or stem injection using a conidial suspension of a defoliating pathotype of Verticillium dahliae isolate.

Keywords: olive cultivars, Verticillium dahlia kleb, butanolic extract, natural phytotoxin, selection

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Cite this article: Laouane, H., Ighachane, H., Sedra, M.H., & Lazrek, H.B. (2020). Evaluation of Eleven Olive Cultivars Tolerance to Verticillium dahliae kleb, Ind. J. Pure App. Biosci. 8(4), 14-24. doi: