نتایج جستجو برای: 500 infected samples belong to 8 families

تعداد نتایج: 10877538  

Journal: :پژوهش های تولید گیاهی 0
سعید نصرالله نژاد سمیرا شاملی

golestan province is one of the main tobacco growing regions in the country. tobacco streak virus (tsv) is a destructive pathogen on tobacco that has a wide host range and occurs worldwide. in order to serological detection of tsv at 13 region of golestan province, 500 infected samples belong to 8 families; chenopodiacae, amaranthaceae, fabaceae, solanaceae, malvaceae, poaceae, cucurbitaceae an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم 1389

this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...

Journal: :حفاظت گیاهان 0
پاکباز پاکباز جعفرپور جعفرپور فلاحتی رستگار فلاحتی رستگار

abstract potato virus s is a member of the genus carlavirus in the family of flexiviridae, with curved filamentous particles 650×12 nm and positive single stranded rna genome. this virus is one of the most common viruses that infected all of potato varieties in the world. susceptible host species belong mainly to the families solanaceae, chenopodiaceae and amaranthaceae. potato virus s transmit...

Iman Hasanvand, Leila Pourhosseini Mojdeh Louni Mojtaba Rahmati Niloofar Chamaani Shahriar Jafari,

Objective: In soil habitats, mesostigmatic mites (Acari: Mesostigmata) are among the most important predators of smallarthropods and nematodes. Methods: A study was carried out during 2009-2010 to identify theirfauna in Khorramabad county, Western Iran. Soil samples were taken from different regions. Mites were extracted by Berlese-Tullgren funnel and cleared in nesbit fluid. Microscopic slides...

Iman Hasanvand, Leila Pourhosseini Mojdeh Louni Mojtaba Rahmati Niloofar Chamaani Shahriar Jafari,

Objective: In soil habitats, mesostigmatic mites (Acari: Mesostigmata) are among the most important predators of smallarthropods and nematodes. Methods: A study was carried out during 2009-2010 to identify theirfauna in Khorramabad county, Western Iran. Soil samples were taken from different regions. Mites were extracted by Berlese-Tullgren funnel and cleared in nesbit fluid. Microscopic slides...

Journal: :international journal of advanced biological and biomedical research 2014
iman hasanvand mojtaba rahmati shahriar jafari leila pourhosseini niloofar chamaani

objective: in soil habitats, mesostigmatic mites (acari: mesostigmata) are among the most important predators of smallarthropods and nematodes. methods: a study was carried out during 2009-2010 to identify theirfauna in khorramabad county, western iran. soil samples were taken from different regions. mites were extracted by berlese-tullgren funnel and cleared in nesbit fluid. microscopic slides...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده کشاورزی 1390

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1388

this study investigated the potential role of age in inductive and deductive grammar learning among iranian foreign language learners. the experimental population consisted of our randomly selected samples including two groups of children (with age of exposure to english within 8-13), and two groups of adults (with age of exposure to english within 11-13). thus, the comparison was between ch...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

Journal: :iranian journal of animal biosystematics 0
h zareian a gholamhosseini hr esmaeili a teimori

the “kuh-e-gorm” non-hunting area is located in the northwest of jahrom city, fars province, iran. since there is no adequate knowledge on fauna of this region, a survey was conducted on the vertebrate fauna of the region from april 2007 to april 2008. in total, 124 vertebrate species were identified including: 11 fishes (belong to 10 genera, four families and three orders), four amphibians (be...

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