Plant parasitic nematodes fauna in citrus orchards in Khuzestan province, Southwestern Iran

Eisvand, Payam; Nejad, Reza Farrokhi; Azimi, Sedighe

doi:10.2478/hppj-2019-0010

Cited by 9 publications

(3 citation statements)

References 15 publications

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“…Based on the morphological and morphometric characteristics, eleven genera and ten species of plant-parasitic nematodes were identified. Tylenchulus semipenetrans was the most common PPN in the citrus orchards surveyed, as reported in other citrus growing areas in Morocco [ 7 ] and worldwide including Iran [ 38 ], Egypt [ 39 , 40 ], and Spain [ 12 ]. Indeed, T. semipenetrans was the predominant nematode found in Souss-Massa (88%), Marackech-Safi (62%), Beni Mellal-Khenifra (57%), Gharb (67%), and Berkane (63%).…”

Section: Discussionmentioning

confidence: 64%

Occurrence and Geographic Distribution of Plant-Parasitic Nematodes Associated with Citrus in Morocco and Their Interaction with Soil Patterns

Zoubi

Mokrını²,

Dababat³

et al. 2022

Life

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Plant-parasitic nematodes (PPNs) are found in citrus plantations throughout the world, but they are considered to be the most problematic pest in Morocco. Citrus fruit quality and yield have been adversely affected by PPNs. Due to data unavailability of nematodes associated with citrus, a detailed survey was conducted in the main citrus-growing regions of Morocco during 2020–2021 to assess the occurrence, distribution, and diversity of PPNs associated with rhizospheres of citrus trees. In addition, some soil properties have also been assessed for their impact on soil properties. Plant-parasitic nematode diversity was calculated using two ecological indexes, the Shannon diversity index (H′) and the Evenness index (E). The collected soil and root samples were analyzed, and eleven genera and ten species of plant-parasitic nematodes were identified. The results show that the most predominant PPN species were Tylenchulus semipenetrans (88%), Helicotylenchus spp. (75%), Pratylenchus spp. (47%), Tylenchus spp. (51%), and Xiphinema spp. (31%). The results showed that PPN distributions were correlated with soil physicochemical properties such as soil texture, pH levels, and mineral content. Based on the obtained result, it was concluded that besides the direct effects of the host plant, physicochemical factors of the soil could greatly affect PPN communities in citrus growing orchards.

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Section: Discussionmentioning

confidence: 64%

Occurrence and Geographic Distribution of Plant-Parasitic Nematodes Associated with Citrus in Morocco and Their Interaction with Soil Patterns

Zoubi

Mokrını²,

Dababat³

et al. 2022

Life

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“…A total of thirteen species of Pratylenchus were added to the tabular key of Castillo and Vovlas (2007) that has been updated by Gafur (2014): P. musii (Geraert 2013;Eisvand et al 2019); P. gongjuensis (Choi et al 2006); P. kumamotoensis (Mizukubo et al 2007;Kim et al 2016); P. ispagoli and P. turmeri (Bairwa et al 2008); P. speijeri (De Luca et al 2012), P. oleae (Palomares-Rius et al 2014), P. quasitereoides (Hodda et al 2014), P. parazeae (Wang et al 2015;Wu et al 2019), P. haiduongensis (Nguyen et al 2017), P. rwandae (Singh et al 2018), P. horti (Nguyen et al 2019) and P. capsici (Qing et al 2019). Two morphotypes of P. bolivianus that have been detected (Troccoli et al 2016) were also incorporated in this update.…”

Section: Methodsmentioning

confidence: 99%

Short Communication: Updated tabular key and improved browser-based interactive key to species of Pratylenchus Filipjev (Nematoda: Pratylenchidae)

Gafur

2020

Biodiversitas

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Abstract. Gafur A. 2020. Short Communication: Updated tabular key and improved browser-based interactive key to species of Pratylenchus Filipjev (Nematoda: Pratylenchidae). Biodiversitas 21: 3780-3785. Pratylenchus is the genus of plant-parasitic nematodes that attack many crop plants and cause significant economic losses worldwide. Attempts have been made to control the parasitic nematodes. However, incorrect identification of species has hindered biological studies on the nematodes and has led to improper and inefficient control measures. To facilitate identification of Pratylenchus species, a prototype of a cross-platform, browser-based computer-assisted identification key for species of Pratylenchus has been developed, based on the pre-existing tabular key. This paper described updates and improvements that have been made to enhance the performance of the prototype key. Updates on the tabular key, which the browser-based key was based on, were made primarily to incorporate all-new species that have been subsequently published and new data from further reports of existing species. Illustrations of characters and character states were added to the key to help users decide which character states best correspond to their specimens. Drawings of each species were also given to provide general ideas on how the species look like. The user interface has been revised in which species name(s) relevant to selected character state(s) was listed, instead of highlighted from a lengthy full list.

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“…Casanueva et al (2016) reported that several species of plant parasitic nematodes are associated with banana and plantain in producing countries, where they can cause yield losses of up to 20%. Eisvand et al (2019) surveyed plant parasitic nematodes fauna in citrus orchards in Khuzestan province. In their management, different practices that include the use of healthy planting material, soil tillage, fallowing, chemical and biological substances are carried out.…”

Section: Introductionmentioning

confidence: 99%

Plant Parasitic Nematodes Associated with Fruit trees in the Newly Reclaimed Soils at El-Sadat Province, Menoufia Governorate

2022

Egyptian Journal of Agronematology

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This study aimed to identify the most important genera or species of nematodes that associate with some fruit trees and cause remarkable economic losses and to study their seasonal fluctuations in newly reclaimed soil in the city of El-Sadat, Menoufia that focused on four fruit trees, namely orange, mango, grapes and peach. Composite soil samples from the rhizosphere of the tested plants were monthly collected, where the first six months of the year 2017 represented summer period (April 2017 -September 2017) and the others represented winter period (October 2017 -March 2018). Composite soil samples from orange trees variety Naval in summer period revealed that there were four nematode genera or species, Tylenchulus semipenetrans, Pratylenchus spp., Hemicycliophora spp. and Xiphinema americanum associated with citrus (orange) trees, where citrus nematode, was the most common representing 51% of the total parasitic nematodes, followed by lesion nematode, Pratylenchus spp. as 33.8% and the dagger nematode, Xiphinema americanum has the lowest frequency of occurrence (0.1%). As for winter months, the same four previous genera were recorded, but at different frequencies of occurrence %. The most important nematode genera in the soil of mango trees variety Kit were: Meloidogyne spp., Pratylenchus spp. and Criconemoides spp. Root-knot nematodes, Meloidogyne spp. recorded the highest frequency of occurrence% of parasitic nematodes associated with mango trees (45.8%) in summer months, followed by Pratylenchus spp. with 39.7%, while ring nematodes, Criconemoides spp. recorded the lowest incidence (14.6%). As for the winter months, the same three nematode genera in the summer months were recorded, but at different proportions. The most important nematode genera or species in the soil of grape variety Flame Seedless were: Meloidogyne spp., Pratylenchus spp., Criconemoides spp. and Xiphinema americanum. The most important nematode genera or species in the soil of peach trees variety Florida were: Meloidogyne spp., Criconemoides spp., and Xiphinema americanum. Root-knot nematode, Meloidogyne spp recorded the highest occurrence % (54.9 %) of the total parasitic nematode in summer months, followed by Criconemoides spp. (38.6 %), while the lowest percentage was for dagger nematode (6.5 %). As for the winter months, the same three nematode genera were recorded, but at different proportions.

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Plant parasitic nematodes fauna in citrus orchards in Khuzestan province, Southwestern Iran

Cited by 9 publications

References 15 publications

Occurrence and Geographic Distribution of Plant-Parasitic Nematodes Associated with Citrus in Morocco and Their Interaction with Soil Patterns

Occurrence and Geographic Distribution of Plant-Parasitic Nematodes Associated with Citrus in Morocco and Their Interaction with Soil Patterns

Short Communication: Updated tabular key and improved browser-based interactive key to species of Pratylenchus Filipjev (Nematoda: Pratylenchidae)

Plant Parasitic Nematodes Associated with Fruit trees in the Newly Reclaimed Soils at El-Sadat Province, Menoufia Governorate

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