Diversity and Management Strategies of Plant Parasitic Nematodes in Moroccan Organic Farming and Their Relationship with Soil Physico-Chemical Properties

Ghizlane Krif, Fouad Mokrini, Aicha El Aissami, Salah-Eddine Laasli, Mustafa Imren, Göksel Özer, Timothy Paulitz, Rachid Lahlali and Abdelfattah A. Dababat
Additional contact information
Ghizlane Krif: Laboratory of Botany, Mycology and Environment, Faculty of Science, Mohammed V University, Avenue Ibn Batouta B.P. 1014 RP, Rabat 10000, Morocco
Fouad Mokrini: Biotechnology Research Unit, National Institute of Agricultural Research (INRA), CRRA, Rabat 10000, Morocco
Aicha El Aissami: Laboratory of Botany, Mycology and Environment, Faculty of Science, Mohammed V University, Avenue Ibn Batouta B.P. 1014 RP, Rabat 10000, Morocco
Salah-Eddine Laasli: Laboratory of Botany, Mycology and Environment, Faculty of Science, Mohammed V University, Avenue Ibn Batouta B.P. 1014 RP, Rabat 10000, Morocco
Mustafa Imren: Department of Plant Protection, Faculty of Agriculture and Natural Sciences, Bolu Abant Izzet Baysal University, Bolu 14030, Turkey
Göksel Özer: Department of Plant Protection, Faculty of Agriculture and Natural Sciences, Bolu Abant Izzet Baysal University, Bolu 14030, Turkey
Timothy Paulitz: United States Department of Agriculture, Agricultural Research Service, Wheat Health, Genetics and Quality Research Unit, Washington State University, Pullman, WA 99164-6430, USA
Rachid Lahlali: Department of Plant Protection, Ecole Nationale d’Agriculture de Meknes, BPS 40, Meknès 50001, Morocco
Abdelfattah A. Dababat: International Maize and Wheat Improvement Center (CIMMYT), Emek, Ankara 06170, Turkey

Agriculture, 2020, vol. 10, issue 10, 1-26

Abstract: Organic farming has been increasing steadily over the last decade and is expected to grow drastically in the future. Plant parasitic nematodes (PPNs) are known as one of the most important pests attacking various plants in conventional and organic farming systems. A survey was conducted in January 2019 to determine the occurrence and diversity of PPNs, their associations with soil properties, and to assess their management methods in organically farmed fields in Southern Morocco. Twelve genera of PPNs were identified in soil and root samples collected from 53 organic fields, including Meloidogyne , Pratylenchus , Helicotylenchus , Tylenchus , Tylenchorynchus , Criconemoides , Trichodorus , and Xiphinema. The root-knot nematodes ( Meloidogyne spp.) and the root-lesion nematode ( Pratylenchus spp.) were the most prevalent PPNs. Vegetable crops (bean, onion, and tomato) had high nematode diversity indices compared to some aromatic and medicinal crops, including the Shannon, Evenness, and plant parasitic index (PPI). Our study underlined that several PPN genera were significantly correlated with soil physico-chemical properties, in particular, soil structure and organic matter. Therefore, it was concluded that soil properties have a considerable impact on PPN communities in organic farming systems located in Southern Morocco. There are numerous strategies for the control of PPNs in organic farming systems.

Keywords: organic; Souss-Massa; control; diversity; nematodes; vegetables (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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