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Diversity and identification of plant-parasitic nematodes in wheat-growing ecosystems

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Title Diversity and identification of plant-parasitic nematodes in wheat-growing ecosystems
 
Creator Keçici, Ayça Irem
Bozbuga, Refik
Ocal, Atilla
Yüksel, Ebubekir
Özer, Göksel
Yildiz, Senol
Lahlali, Rachid
Slaats, Brigitte
Dababat, Abdelfattah A.
Imren, Mustafa
 
Subject plant nematodes
wheat
ecosystems
cereals
virology
microbiology
 
Description Several nematode species can be found in different densities in almost any soil ecosystem, and their diversity in those ecosystems depends on numerous reasons, such as climatic conditions and host presence. Cereals are one of the main hosts of plant-parasitic nematodes (PPN), chiefly root-lesion nematodes (RLN, Pratylenchus spp.) and cereal cyst nematodes (CCN, Heterodera spp.). These nematodes are known as major parasites of the cereal crops; however, agricultural areas accommodate various nematodes showing biological variation. The diversity of parasitic nematodes on cereals in the Sakarya provinces of Türkiye, where cereals are intensively grown and located in the middle of two climatic zones, has not been well studied. Therefore, in this study, we aimed to determine the diversity, identification, and molecular phylogeny of PPNs in wheat-growing ecosystems in the Hendek, Pamukova, Geyve, Akyazı, and Central districts of Sakarya. The diversity of PPNs was calculated using the Shannon diversity index. Thirteen PPN genera were detected in 92% of soil samples. Heterodera filipjevi was identified in 24% of the soil samples using morphological, morphometrical, and molecular tools. In the morphological and molecular analyses, intraspecific polymorphism was observed in H. filipjevi populations. The result indicated that the high infestation rate of H. filipjevi was recorded from Geyve and Pamukova, followed by Hendek and Akyazı; however, a low infestation rate was detected in the Central district. The moderate value of the Shannon index of migratory nematode species was obtained in wheat fields as 2.31, whereas the value of evenness was 0.93, implying moderate diversity and high evenness of nematodes. This study is the first comprehensive report on H. filipjevi from wheat cropping areas in the Sakarya province. Intensified cereal cropping systems with/without non-cereal rotations increased the risk of plant-parasitic nematodes, especially RLNs and H. filipjevi infection of wheat production areas in the province.
 
Date 2022-07-29
2023-02-28T08:59:34Z
2023-02-28T08:59:34Z
 
Type Journal Article
 
Identifier Keçici, A. İ., Bozbuğa, R., Öcal, A., Yüksel, E., Özer, G., Yildiz, Ş., Lahlali, R., Slaats, B., Dababat, A. A. and İmren, M. 2022. Diversity and identification of plant-parasitic nematodes in wheat-growing ecosystems. Microorganisms 10(8):1534. https://hdl.handle.net/10883/22240r
2076-2607
https://hdl.handle.net/10568/129086
https://hdl.handle.net/10883/22240
https://doi.org/10.3390/microorganisms10081534
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format application/pdf
 
Publisher MDPI AG
 
Source Microorganisms