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Article

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

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Laboratory of Botany, Mycology and Environment, Faculty of Science, Mohammed V University, Avenue Ibn Batouta B.P. 1014 RP, Rabat 10000, Morocco
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Biotechnology Research Unit, National Institute of Agricultural Research (INRA), CRRA, Rabat 10000, Morocco
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Department of Plant Protection, Faculty of Agriculture and Natural Sciences, Bolu Abant Izzet Baysal University, Bolu 14030, Turkey
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United States Department of Agriculture, Agricultural Research Service, Wheat Health, Genetics and Quality Research Unit, Washington State University, Pullman, WA 99164-6430, USA
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Department of Plant Protection, Ecole Nationale d’Agriculture de Meknes, BPS 40, Meknès 50001, Morocco
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International Maize and Wheat Improvement Center (CIMMYT), Emek, Ankara 06170, Turkey
*
Author to whom correspondence should be addressed.
Agriculture 2020, 10(10), 447; https://doi.org/10.3390/agriculture10100447
Received: 6 September 2020 / Revised: 20 September 2020 / Accepted: 24 September 2020 / Published: 30 September 2020
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. View Full-Text
Keywords: organic; Souss-Massa; control; diversity; nematodes; vegetables organic; Souss-Massa; control; diversity; nematodes; vegetables
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MDPI and ACS Style

Krif, G.; Mokrini, F.; Aissami, A.E.; Laasli, S.-E.; Imren, M.; Özer, G.; Paulitz, T.; Lahlali, R.; Dababat, A.A. Diversity and Management Strategies of Plant Parasitic Nematodes in Moroccan Organic Farming and Their Relationship with Soil Physico-Chemical Properties. Agriculture 2020, 10, 447. https://doi.org/10.3390/agriculture10100447

AMA Style

Krif G, Mokrini F, Aissami AE, Laasli S-E, Imren M, Özer G, Paulitz T, Lahlali R, Dababat AA. Diversity and Management Strategies of Plant Parasitic Nematodes in Moroccan Organic Farming and Their Relationship with Soil Physico-Chemical Properties. Agriculture. 2020; 10(10):447. https://doi.org/10.3390/agriculture10100447

Chicago/Turabian Style

Krif, Ghizlane, Fouad Mokrini, Aicha E. Aissami, Salah-Eddine Laasli, Mustafa Imren, Göksel Özer, Timothy Paulitz, Rachid Lahlali, and Abdelfattah A. Dababat 2020. "Diversity and Management Strategies of Plant Parasitic Nematodes in Moroccan Organic Farming and Their Relationship with Soil Physico-Chemical Properties" Agriculture 10, no. 10: 447. https://doi.org/10.3390/agriculture10100447

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