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Current Research in Agricultural Sciences

December 2021, Volume 8, 2, pp 56-64

Reliability of Morphological Characters in Identification of Olive (Olea europaea L.) Varieties in Ex-Situ Conditions

Fathi Ben Amar

,

Hana Souabni

,

Olfa Saddoud-Debbabi

,

Mohamed Ali Triki

Fathi Ben Amar 1 ,

Hana Souabni 2
Olfa Saddoud-Debbabi 3
Mohamed Ali Triki 1 
  1. University of Sfax, Olive Institute, Sfax, Tunisia. 1

  2. University of Tunis-El Manar, Faculty of Mathematics, Physics and Natural Sciences, Campus Universitaire, El Manar II, Tunis, Tunisia. 2

  3. Banque Nationale de Genes, Boulevard du Leader Yesser Arafet, Tunisia. 3

Pages: 56-64

DOI: 10.18488/journal.68.2021.82.56.64

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Article History:

Received: 22 January, 2021
Revised: 02 March, 2021
Accepted: 30 March, 2021
Published: 26 April, 2021


Abstract:

The study of the morphological characters of olive fruit and endocarp was carried out for 48 varieties planted in the collection of Boughrara (Sfax, Tunisia) and was compared to their characterization in the Tunisian catalog in their centers of origin. The study interested 8 characters for the fruit and 7 characters for the endocarp. The similarity rate was 73.3% for fruit characters and 64.6% for endocarp characters and eight characters of the two organs had similarity rates greater than 70%, particularly the weight, the apex shape and the presence of the nipple. Most varieties had similar identification for a total number of characters between 8 to 14 characters. The data revealed that the fruit contributed with 5 to 6 characters in the similarity of the varieties in the two databases against 4 to 5 characters for the endocarp. The results obtained showed a relatively strong discriminating power of the morphological characters in the identification of the different olive varieties in-situ and ex-situ conditions with an advantage for the fruit characters.
Contribution/ Originality
In the present work, we used morphological characterization in situ conditions compared to in-situ conditions for 48 olive varieties. The comparison of endocarp and fruit characters allowed to see how much is the importance of these characters in the characterization of varieties in different environments.

Keywords:

Olive, Fruit, Endocarp, Characterization, Similarity, Ex-situ.

Reference:

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Funding:

The authors wish to thank the Ministry of Agriculture, Hydraulic resources and Fishery (especially IRESA) and the Ministry of Higher Education and Scientific Research (University of Sfax) for their financial support to this breeding program.

Competing Interests:

The authors declare that they have no competing interests.

Acknowledgement:

All authors contributed equally to the conception and design of the study.

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