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Occurrence of the Root-Knot Nematode species in Vegetable Crops in Souss Region of Morocco
Plant Pathol. J. 2018;34:308-315
Published online August 1, 2018
© 2018 The Korean Society of Plant Pathology.

Soukaina Janati1,2, Abdellah Houari1, Ahmed Wifaya2, Adil Essarioui5, Abdelaziz Mimouni2, Abderrahim Hormatallah6, Mohamed Sbaghi3, Abdelfattah A. Dababat4, and Fouad Mokrini2*

1Laboratoire des biotechnologies, Faculté polydisciplinaire de Taroudant, Taroudant, Morocco
2National Institute of Agronomic Research, UR- Integrated Crop Protection, Nematology Laboratory, National Institute of Agricultural Research (INRA), Agadir, Morocco
3National Institute of Agronomic Research- Scientific Division, Rabat, Morocco
4International Maize and Wheat Improvement Center (CIMMYIT), Ankara, Turkey
5National Institute of Agronomic Research, Errachidia, Morocco
6IAV-CHA (Hassan II Institute of Agronomy and Veterinary), Agadir, Morocco
Correspondence to: Phone) +212-661-135-696, FAX) +212-528-242-352
E-mail) fmokrini.inra@gmail.com
Received February 12, 2018; Revised March 22, 2018; Accepted May 28, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Root-knot nematodes ‘Meloidogyne spp’ are the most destructive group of plant parasitic nematodes causeing serious losses in vegetables crops and this damages worsened when crops grown under greenhouses conditions. In this sutdy, the distribution and characterization of root-knot nematode species collected from the Souss region of Morocco where vegetables crops intensively cultivated were determined by using both morphological and molecular tools. Out of the 110 samples collected from different greenhouses 91 (81.7%) were found to be infested with root-knot nematodes. Thirty-seven populations of root-knot nematodes were morphologically identified based on perineal patterns as well as molecularlly using species-specific primers. The obtained results indicated that Meloidogyne javanica and M. incognita were identified in 86.4% and 13.5% of the total populations, respectively. The lowest incidence of root-knot nematodes (64%) was found in Toussous, whereas the highest frequencies of 100% and 90% were detected in Taddart and Biogra, respectively. As the majority of the samples have been infested with Meloidogyne species; this indicates that there is an urgent need to provide farmers with a proper control strategy.
Keywords : occurrence, perineal patterns, root-knot nematode, vegetable


August 2018, 34 (4)
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