Affiliation:
1. Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
2. Nematode Assay Section, Agronomic Division, North Carolina Department of Agriculture and Consumer Services, Raleigh, NC 27607, USA
Abstract
Ektaphelenchus oleaen. sp. is described and illustrated based on morphological and molecular data from the rhizosphere of an olive tree (Olea europium) from the suburbs of Gorgan, Golestan Province, in northern Iran. The new species is characterised by females 441-652 μm long, stylet 15-19 μm long with wide lumen without basal swelling, labial region set off by a clear constriction, appearing bowl-like, four incisures in lateral field, excretory pore always located posterior to median bulb and anterior to hemizonid, post-uterine sac 43-73 μm long, conoid tail, and the presence of four pairs of male subventral caudal papillae. The new species is typologically similar to species belonging to three genera:Anomyctus,EktaphelenchusandSeinura, by a combination of morphological characters,e.g., head with expanded lips, forming a small bowl-like structure, stylet without knobs or swellings at the base, short conical tail and a vestigial anus and rectum in most individuals. Molecular analysis of the new species was performed using sequences of SSU and LSU ribosomal DNA genes.
Subject
Agronomy and Crop Science,Ecology, Evolution, Behavior and Systematics
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