نتایج جستجو برای: فروراسته tylenchomorpha
تعداد نتایج: 38 فیلتر نتایج به سال:
during a survey, five known species of plant-parasitic nematodes of the families tylenchidae and dolichodoridae (tylenchomorpha: tylenchoidea) were collected and identified from several locations in golestan, guilan, kurdistan, and fars provinces. paratrophurus kenanae, tylenchus elegans and t. ritae, as new records for iranian nematode fauna, with the two previously reported species filenchus ...
Abstract Three known species, Aphelenchus avenae , Ditylenchus myceliophagus and Tylenchorhynchus aduncus (Rhabditida, Tylenchomorpha), are described from sand coastal dunes in Spain associated to the rhizosphere of xerophilic plants. A. is characterized by having stylet with 16–22 µm long, pharyngeal dorsal gland overlapping intestine, postvulval uterine sac about 2.5 times body diameter, fema...
Inference of evolutionary relationships between nematodes is severely hampered by their conserved morphology, the high frequency of homoplasy, and the scarcity of phylum-wide molecular data. To study the origin of nematode radiation and to unravel the phylogenetic relationships between distantly related species, 339 nearly full-length small-subunit rDNA sequences were analyzed from a diverse ra...
Ektaphelenchids are entomophilic nematode species, commonly found in association with insects. In the present study, an alien and a native Chinese ektaphelenchid species were described based on integrative taxonomic approaches. Both have three lateral lines excretory pore at same level or posterior to nerve ring. The China is Ektaphelenchus apophysatus sp. nov. which was recovered from logs of ...
به منظور شناسایی نماتودهای باغ ها و مزارع مناطق کهک و مرکزی استان قم، طی بهار و پاییز سال 1389 تعداد 50 نمونه خاک و ریشه از مزارع و باغات استان جمع آوری و نماتودها با استفاده از الک های خاکشویی و روش سانتریفوژ استخراج و پس از کشتن و تثبیت، اسلایدهای میکروسکوپی دائمی تهیه گردید. خصوصیات مرفولوژیک و مرفومتریک مهم نماتودها با استفاده از میکروسکوپ نوری مجهز به لوله ترسیم مورد بررسی قرار گرفت. در ا...
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