Affiliation:
1. Laboratory of Nematology, Department of Plant Pathology, College of Plant Protection, Shanxi Agricultural University, Taigu 030801, P.R. China
2. Manaaki Whenua – Landcare Research, Private Bag 92170, Auckland Mail Centre, Auckland 1142, New Zealand
3. Shanxi Key Laboratory of Integrated Pest Management in Agriculture, Taiyuan 030031, P.R. China
Abstract
Summary
Rotylenchus astragalus sp. n. is characterised by having females 841-1069 μm long, stylet 28-31 μm long, basal knobs rounded, dorsal pharyngeal gland orifice (DGO) 3-5 μm, lateral field with four incisures, pharyngeal gland lobes slender, overlapping intestine dorsally for 4-12 μm, excretory pore located just posterior to the hemizonid, vulva slightly posterior to mid-body, ovaries paired, phasmid opening relatively large and 8-18 annuli anterior to the anus, tail conoid and absence of males. The matrix code of R. astragalus sp. n. is A5, B3, C1, D4, E1, F2, G1-2, H3, I2, J2, K1. In addition, phylogenetic relationships of the recovered populations were analysed using sequences of the near full length small subunit (SSU) and D2-D3 segments of large subunit (LSU) rRNA genes.
Subject
Agronomy and Crop Science,Ecology, Evolution, Behavior and Systematics
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