samples were collected from soil and as well from phyllosphere of rice plant and subjected to dilution plate technique on rbsf trichoderma selective medium. a total of 202 trichoderma isolates were obtained from rice fields at different geographical locations distributed all over mazandaran province. single spore isolates were obtained and genomic dna extracted from all the isolates using dna e...

In the present study, six species of Bipolaris viz. B. heveae, B. neergaardii, B. papendrofii, B. zeae, B. oryzae, and B. australiensis and two species of Curvularia viz. C. intermedia and C. heteropogonicola were identified on graminicolous species. Bipolaris heveae on Echinochloa sp., Cynodon dactylon and Arundo sp., B. neergaardii on Oryza sativa, B. papendrofii on Saccharum officinarum and ...

background:  aeromonas spp. can cause diarrhea and various infections in humans. access to rapid techniques with a high sensitivity and specificity is strongly needed for the identification of aeromonas species. the aim of this study was to evaluate two different methods including api 20e bacterial identification tests and the molecular detection using pcr primers specific for 16s-rrna and 23s-...

Six species of Sargassum C. Agardh (Sargassaceae) with compressed primary branches, including: S. binderi Sonder, S. aquifolium (Turner)C. Agardh, S. oligocystum Montagne, S. swartzii (Turner)C. Agardh, S. crassifolium J. Agardh and S. cristaefolium C. A. Agardh, were identified in the Persian Gulf and Oman Sea coasts, among which S. binderi is reported as newly recorded species in Iran for the...

background:  fascioliasis is considered as the most important helminthic infection of cattle and sheep. traditional approaches using morphological and biologic characters cannot cause a cer­tainty in the accurate and precise identification and intra-specific differences of fasciola spp. in this study, we identified fasciola species using its-1 marker and described genetic variation of each spec...

medically and veterinary importance of ticks of the genus of hyalomma through transmission of related diseases is very obvious. the identification and taxonomy of species of this genus always have been controversial. sometimes accuracy of morphological diagnosis of two closely related species hyalomma anatolicum and hyalomma asiaticum which are reported in fauna of iran, is very difficult. the ...

apterous viviparous female of dysaphis inulae sp. n. living on inula britanica and d. lappae cynarae (theobald) living on silybum marianum is described and newly recorded from iran, respectively. the latter aphid species is redescribed and an identification key for the species of dysaphis boerner on asteraceae is also presented.

kol river drains into the persian gulf and its watershed encompasses  areas  in  hormozgan, kerman and fars provinces. identification of fish species of the river was conducted seasonally from summer to winter 2005. we selected 8 sampling stations based on the height of  sea  level  from branches of kol river near estuary. totally, 160 specimens were caught with gillnet, cast net and hook. we i...

Introduction: Considering wide distribution of scorpions in various parts of the country and their importance in biological and medical Sciences, the current study was performed during 2005 to 2006 in order to determine scorpions species in Kerman/Iran. Method: In this descriptive research, 13 cities in Kerman province were investigated. All collected scorpion specimens in %75 ethyl alcohol wer...