نتایج جستجو برای: host reservior

تعداد نتایج: 213708  

Journal: :نامه انجمن حشره شناسی ایران 0
n. ohbayashi s. mafi

the biological parameters of sympiesis striatipes ashmead, one of the most abundant hymenopterous ectoparasitoid of phyllocnistis citrella stainton in ehime province of japan, were studied under laboratory and field conditions. the mean immature developmental time and adult longevity at different temperatures (22 to 31â°c), 50-70% rh and 12l: 12d photoperiod decreased as the temperature increas...

Journal: :journal of arthropod-borne diseases 0
mohammad rajabloo department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran. seyedmostafa razavi department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran. hossein shayegh school of veterinary medicine, shiraz university, shiraz, iran. amir mootabi alavi department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran.

linguatula serrata is one of the important zoonotic parasites. carnivores serve as definitive host. the larvae existed in mesenteric lymph nodes (mlns), liver, lungs, etc of intermediate herbivores. the definitive host becomes infected by ingesting viscera containing the infective nymphal stage. humans may be infected with linguatula either by ingestion of nymphs resulting in a condition called...

Journal: :avicenna journal of medical biotechnology 0

the role of microbiota in health and disease is the subject of rigorous investigation. several studies have demonstrated that microbiota and the pattern-recognition receptors contribute to intestinal tumourigenesis; the exact mechanism of which is still obscure. myd88 is the downstream effector of all toll-like receptors (tlrs) except tlr3. however, the alternative myd88-independent pathway is ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2005
ali asghar sabbagh alvani ali asghar sarabi fathollah moztarzadeh mohammad rabie mohammad javad kamali

a pure silicate host namely sr2mgsi2o7 as a support for a long-lasting afterglow when dopped with rare-earth elements was sought after. to this end the process of obtaining firing temperatures of the above mentioned phase in normal condition was carried out using suggested wet and dry methods. the degree of purity obtained in these preparatory methods as well as the different firing temperature...

Journal: :international journal of environmental research 0

we investigated the relations among infection intensity of european mistletoe (viscum album l.) with host tree features in nour forest park, located in caspian forests in north of iran. the number of 30 circular plots with an area of 0.1 ha were sampled in all places have an aggregation of infested trees. parameters including dbh, height, distance to stand edge, distance to conspecific tree, ba...

Journal: :journal of agricultural science and technology 2014
r. nikbin a. sahragard m. hosseini

the parasitoid trichogramma brassicae bezdenko is used for inundative releases in biological control programs against lepidopteran pests in agro-ecosystems. age-specific functional responses of t. brassicae to different egg densities (5, 10, 20, 30, 40, 60, and 80) of sterilized eggs of ephestia kuehniella at 23±1°c, 60±5% rh, and 16:8 h (l:d photoperiod ) were studied. e. kuehniella densities ...

Journal: :journal of crop protection 2015
hedi yazdanfar mehrdad ghodskhah daryaei jalal jalali sendi hamed ghobari

feeding performance of the green oak leaf roller, tortrix viridana (linnaeus) was determined on three host plants including quercus libani oliv, quercus infectoria oliv, and quercus branti lindl, under laboratory conditions. mean total leaf weight consumed by larvae was the highest on q. branti (0.31 g) and the lowest on q. libani (0.14 g).the feeding index was the highest on q. libani while th...

Journal: :journal of crop protection 2015
md. alam md. alam syed alam md. ramiz miah md. ismail mian

rearing methods for bracon hebetor (say) (hym., braconidae) were investigated in the series of laboratory experiments designed to enhance the yield of the mass rearing of this parasitoid for biological control of lepidopteran field and stored product pests. in these experiments, the effects of parasitoid and host densities on fertility and sex ratio of b. hebetor were assessed. in parasitoid de...

Journal: :journal of agricultural science and technology 2010
m. h. kazemi p. talebi-chaichi m. r. shakiba m. mashhadi jafarloo

in recent years, the russian wheat aphid, has been included worldwidely in the list of the important pests of cereals, particularly wheat plants. in addition to direct serious damage, the aphid is the main vector of barley yellow dwarf, barley mosaic, and sugarcane mosaic viruses. the pest was reported from east azarbaidjan province (iran) a few years ago and it is now widespread in tabriz,...

Journal: :دانش گیاه پزشکی ایران 0
نازنین مستقیمی دانشجوی سابق ارشد سیدعلی اصغر فتحی استادیار دانشگاه محقق قدیر نوری قنبلانی استاد دانشگاه محقق جبرائیل رزمجو استادیار دانشگاه محقق هوشنگ رفیعی دستجردی استادیار دانشگاه محقق

the mill moth, ephestia kuehniella zeller and indian meal moth, plodia interpunctella (hubner) are two injuriously important pests of stored products worldwide. harobracon hebetor (say) has been used as a biological control agent of moth’s larva in peanut storehouses and as well in packaged cereal products. in the present study, the efficacy of h. hebetor in parasitizing larva of the mill moth ...

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