文献类型： 外文期刊

作者： Li, Wenhao ¹ ; Li, Huixia ¹ ; Ni, Chunhui ¹ ; Peng, Deliang ² ; Liu, Yonggang ³ ; Luo, Ning ¹ ; Xu, Xuefen ¹ ;

作者机构： 1.Gansu Agr Univ, Coll Plant Protect, Biocontrol Engn Lab Crop Dis & Pests Gansu Prov, Lanzhou 730070, Gansu, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

3.Gansu Acad Agr Sci, Inst Plant Protect, Lanzhou 730070, Gansu, Peoples R China

关键词： Goettingiana group; Heterodera; Morphology; New species; Phylogeny; Taxonomy

期刊名称：JOURNAL OF NEMATOLOGY （ 影响因子：1.402； 五年影响因子：2.012 ）

ISSN： 0022-300X

年卷期： 2020 年 52 卷

页码：

收录情况： SCI

摘要： A new cyst-forming nematode, Heterodera microulae sp. n., was isolated from the roots and rhizosphere soil of Microula sikkimensis in China. Morphologically, the new species is characterized by lemon-shaped body with an extruded neck and obtuse vulval cone. The vulval cone of the new species appeared to be ambifenestrate without bullae and a weak underbridge. The second-stage juveniles have a longer body length with four lateral lines, strong stylets with rounded and flat stylet knobs, tail with a comparatively longer hyaline area, and a sharp terminus. The phylogenetic analyses based on ITS-rDNA, D2-D3 of 28S rDNA, and COI sequences revealed that the new species formed a separate Glade from other Heterodera species in Goettingiana group, which further support the unique status of H. microulae sp. n. Therefore, it is described herein as a new species of genus Heterodera; additionally, the present study provided the first record of Goettingiana group in Gansu Province, China.