نتایج جستجو برای: aphelenchus isomerus
تعداد نتایج: 108 فیلتر نتایج به سال:
abstract in order to identify the plant parasitic nematodes of cucumber field and greenhouses in jiroft and kahnoj regions, during 2007 and 2008, 45 soil and root samples were collected. in this survey, 13 genus and 16 species were identified. genus ektaphelenchoides and one species of it, e. compsi and aphelenchus isomerus are reported for the first time in iran. the first species was found in...
به منظور شناسایی نماتدهای انگل گیاهی مزارع و گلخانه های خیار منطقه جیرفت و کهنوج، طی سال های 1386 و 1387، تعداد 45 نمونه خاک و ریشه از مزارع و گلخانه های خیار جمع آوری گردید. پس از انتقال نمونه ها به آزمایشگاه، شتستشوی خاک و ریشه ها و استخراج نماتدها با استفاده از روش الک و سانتریفیوژ، تثبیت و انتقال آنها به گلیسرین با استفاده از روش دگریس و جن کینز(1969) انجام گرفت. سپس از نماتدهای جدا شده به ...
Maturity index values reflect life history characteristics often inferred by morphology. We tested the hypothesis that Acrobeloides and Aphelenchus are sensitive to chemical pollutants, opposite of what their colonizer-persister (CP) value of 2 suggests. Acrobeloides and Aphelenchus were reared at 19 degrees C and provided diets of Escherichia coli and Rhizoctonia solani, respectively. LC50 val...
in order to identify the plant parasitic nematodes of tomato fields in northern khorasan province, 50 soil and root samples were collected during 2009 - 2010. nematodes were extracted by combined sieving and centrifugal-flotation method and processed to be transferred to glycerin. after preparing microscope slides, the morphological and morphometrical characters of the nematodes were studied us...
The respiration rate of third stage larvae of Caenorhabditis sp. exposed to 0.53 x 10(2) M EDB was 120% greater than in untreated checks and was highest shortly after the exposure began. Similarly-treated third- and fourth-stage Aphelenchus avenae exhibited no marked respiratory response. Different responses of these animals to EDB probably reflect basic physiological differences between the ne...
چکیده: به منظور شناسایی نماتدهای انگل گیاهی ریزوسفر مزارع خانواده کدوئیان استان خراسان رضوی، طی سال های 1388 ، 1389و 1390 تعداد 54 نمونه خاک از مزارع گیاهان خانواده کدوئیان استان جمع آوری گردید. نمونه های خاک به آزمایشگاه گیاه پزشکی دانشگاه فردوسی مشهد منتقل شده و در دمای 4 درجه سانتی گراد نگهداری شدند.سپس مرحله ی شستشوی خاک ها واستخراج نماتدها با استفاده از روش تغییر یافته تلفیق الک و سانتریف...
Exposure to carbofuran and fenamiphos for 72 hours reduced the numbers of active Aphelenchus avenae in aqueous suspension by > 75%. When nematicides were removed, many A. avenae exposed to carbofuran resumed normal movement but A. avenae treated with fenamiphos did not recover. Acetylcholinesterase (AChE) activity was suppressed by > 95% in nematodes treated with carbofuran or fenamiphos. Howev...
The life history and feeding habits of Lasioseius scapulatus, an ascid predator and potential biocontrol agent of nematodes, was examined. Reproduction was asexual, and the life cycle was 8-10 days at room temperature. Life history consisted of the egg, protonymph, deutonymph, and adult. Both nymphal stages and the adult captured and consumed nematodes. Two fungal genera and eight genera of nem...
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