نتایج جستجو برای: host
تعداد نتایج: 213660 فیلتر نتایج به سال:
nocardiosis has been reported increasingly in recent two decades, probably due to improvement in isolation of the organism and increased burden of immune compromised patients. nocardia occasionally has been reported in healthy people. a case series of definitive nocardiosis (2002 to 2010), clinical characteristics, underlying diseases, immune status and in-patient outcome were studied in a tert...
the effect of host diet on developmental time, fecundity and life-table parameters of bracon hebetor (say) (hymenoptera: braconidae) against the mediterranean flour moth ephestia kuehniella (zeller) was studied in the laboratory condition at 26 ± 1 °c, 65 ± 5% relative humidity and a photoperiod of 16l:8d h. the diets used were rice, barley, corn and wheat flours. the developmental time (egg to...
the cotton bollworm, helicoverpa armigera (hübner), is a serious pest on a wide range of economic crops in many parts of the world. in this study, digestive proteolytic and amylolytic activities of h. armigera larvae (3rd to 5th instars) were evaluated on five main host plants including chickpea (cv hashem), cowpea (cv mashhad), soybean (cv 033), navybean (cv dehghan), and corn (cv sc 704) at 2...
the erysiphaceae are obligatory parasitic fungi that cause powdery mildew disease of green space plants. during this study, powdery mildew fungi were collected and identified from different localities of ardabil landscape, iran. erysiphe rayssiae (on spartium junceum), erysiphe robiniae var. robiniae (on robinia pseudoacacia) and euoidium cf. agerati (on ageratum houstonianum)are new records fo...
australian grapevine viroid (agvd), an apscaviroid of the family pospiviroidae, was recently identified in vineyards of southern iran. it had a relatively wide host range and caused stunting, leaf deformation, mottling and vein clearing in experimental hosts upon mechanical inoculation of nucleic acid extracts or agroinfiltration of the viroid infectious cloned dna. predicted secondary structur...
در این پژوهش که بین سالهای 1388 تا 1390 در مناطق بید خوان و سنگ صیاد استان کرمان صورت گرفت، در مجموع 14 گونه متعلق به شش جنس از زنبورهای این چهار خانواده از گالهای گیاهان افدرا (ephedra major host)، نسترن وحشی (rosa beggerianaschrenk)، بید (salix alba l.)، درمنه (artemisia sieberibesser) و گز (tamarix sp.) جمع آوری و شناسایی شد. از این تعداد 3 گونه متعلق به 3 جنس برای اولین بار از ایران و نیز 5...
the purpose of this research was to study the antimicrobial activities of the endophytic fungi from sesbania grandiflora (l.) pers. the endophytic fungi were isolated from branches and leaves of sesbania grandiflora (l.) pers., and sixty nine isolates were obtained. all isolates were screened for antibacterial and antifungal activities. the indicator organisms were 4 bacteria including staphylo...
the reproductive range of the iranian population of white tip nematode in rice, aphel-enchoides besseyi, was investigated in vitro to find out a suitable medium as well as a fa-vorable fungal host for monoxenic culturing this nematode. studies were carried out on rice seed associated fungi, pathogenic fungi and one mushroom (agaricus bisporus) grown on three culture media, rpa (rice polish agar...
the leaf nitrogen content is generally accepted as an indicator of food quality and as a factor affecting host selection by phytophagous insects. the alate pea aphids (acyrthosiphon pisum harris, aphididae) were given a choice among non-nodulated pea plants (pisum sativum l.) supplied with one of four nitrate-n levels (0, 3, 15 and 30 mm). when whole plants were exposed to aphids for 7 days, th...
the tomato fruit borer, helicoverpa armigera (hã¼bner), is a destructive insect pest of many host crops in iran and worldwide. the effect of different tomato cultivars (sun 6108 f1, rio grande ug, korral, ch falat, hed rio grande and cal jn3) was studied on life table parameters of h. armigera under laboratory (25 â± 1 â°c, 65 â± 5% rh and a photoperiod of 16: 8 (l: d) hours), and on the activi...
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