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Three plant-parasitic nematodes of the family Longidoridae from orchards of Rafsanjan county, Iran
Former Ms.c. Saeed Sharify Rostam-Abady, Dr. Mahdieh Rostami, Dr. Farahnaz Jahanshahi Afshar, Fariba Ardeshir,
Volume 12, Issue 1 ((Autumn & Winter) 2023)
Abstract
Sharify Rostam-Abadi, S., Rostami, M., Jahanshahi Afshar, F., Ardeshir, F. (2023).  Three plant-parasitic nematodes of the family Longidoridae from orchards of Rafsanjan county, Iran. Plant Pathology Science 12(1),12-24.  
 Introduction: Longidoridae is a family of plant-parasitic nematodes belonging to the order Dorylaimida, that cause damage to most agricultural crops especially fruit trees by direct damage and also transmitting some plant pathogenic viruses. Considering the lack of prior research studies on this topic in the fruit orchards of Rafsanjan region, identifying and monitoring their population is important. Materials and Methods: In a study that was conducted to identify plant-parasitic nematodes of horticultural products in Rafsanjan city, some soil samples were collected from the rhizosphere of various fruit trees, in 2020. The nematodes were extracted from the soil samples using two methods, centrifugal flotation-sieving and tray technique, fixed and transferred to the anhydrous glycerin. After preparing permanent slides, the nematodes were studied using a light microscopy. The nematode species were identified based upon morphological and morphometric data using relevant valid references. Results: In this study, three species of Dorylaimida order belonging to the Longidoridae family including the two genera: Longidorus (L. africanus) and Xiphinema (X. vuittenezi and X. index) were obtained from the rhizosphere. Also, in order to confirm the traditional identification of X. vuittenezi, this species was molecularly studied using D2-D3 extension fragment of LSU rDNA. The obtained sequence of the species was 100% identical to the sequences of the other populations of X. vuittenezi in the GenBank. Conclusion: This study shows that regional nematode population monitoring needs more attention.



 
Report of six plant parasitic nematodes from the orchards of Rafsanjan region, Kerman Province, Iran
Former Ms.c. Saeed Sharify Rostam-Abady, Mahdieh Rostami, Farahnaz Jahanshahi Afshar, ,
Volume 12, Issue 2 ((Spring and Summer) 2023)
Abstract
Sharify Rostam-Abadi S, Rostami M,  Jahanshahi Afshar F, Ardeshir F (2023) Report of six plant parasitic nematodes from the orchards of Rafsanjan region, Kerman Province, Iran. Plant Pathology Science 12(2):41-52.
Introduction: In the suburban area of Rafsanjan city in Kerman Province, Iran, there are many orchards infested with plant parasitic nematodes. Therefore, it was necessary to identify the plant parasitic nematodes in the orchards of this region. Materials and Methods: In 2018 and 2019, some soil samples were taken around the roots of apricot, peach, pomegranate, apple, cherry and persimmon trees in this area. Nematodes were extracted by two methods, tray and sieve-centrifuge, and after fixation, they were transferred to pure glycerin. Permanent slides were examined with a bright field microscope and extracted nematodes were identified using diagnostic keys and original descriptions. Results: Seven nematodes from the infraorder Tylenchomorpha, belonging to five families including: Tylenchidae, Pratylenchidae, Tylenchulidae, Criconematidae and Anguinidae were identified. Root-lesion nematode (Pratylenchus penetrans), pin-nematode (Paratylenchus neoamblycephalus) and Criconematid (Mesocriconema xenoplax) were the most important plant parasitic nematodes in fruit orchards of this region. Conclusion: Due to the presence of some important and damaging nematodes in the orchards of Rafsanjan, it is recommended to implement appropriate management methods and monitor the population of important plant parasitic nematodes.


 
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