in recent years, shallow bark canker of walnut (juglandis regia l.) trees has become fairly widespread in iran. to determine the distribution of the disease in golestan, mazandaran and gilan provinces, from early summer to mid-fall seasons of 2004, more than one hundred bark samples were collected from walnut trees showing symptoms of shallow bark canker. sixty strains of bacteria were isolated...

The objective of this study was to determine the genetic diversity among Chrysoperla carnea samples collected from different locations Iran (including, East-Azerbaijan, West-Azerbaijan, Isfahan, Kerman, Kermanshah, Lorestan, Mazandaran, Gilan, Hormozgan and Hamedan provinces) using Inter simple sequence repeat (ISSR) mitochondrial (Cytochrome Oxidase I - COI) molecular markers in 2016-2018. res...

cultural communications among nations consist of various subjects and architectural art styles are the most distinct and recognized subjects in this area of studding. the republic of dagestan in south of russian federation, not only from the past has cultural and historical relation with iran, but also ct located in the historical geography of cultural iran. this relationship was more due to th...

abstract background: in iran gastric cancer is the second most common cancer and the most cause of death cancer, the aim of this study is provide map geographical distribution of gastric cancer and detect high risk cluster with use of space-time scan statistic. methods: this was an applied study. the data is provided from reports published by center for disease control office in ministry of hea...

During 2 years, from March 1987 to April 1989 ,600 samples of soil and plant were collected from different cities of northern provinces of Iran. Out of the six hundred samples 58 Actinomycetes, 9 Pseudallescheria boydii, 10 Sporothrix schenckii, and 4 Sporothrix schenckii-like fungi were isolated as the following: Streptomyces griseus from 31 samples (38.27%), Nocardia asteroides from 8 samples...

to determine the prevalence of animal fascioliasis in coastal regions of the caspian sea, during 2006-2007, a total of 2368 faecal samples were collected from sheep (n=1250), cattle (n=975) and horse (n=143). the samples were obtained directly from the rectum of animals. floatation method was performed for determination of egg per gram of faeces (epg). our findings revealed the presence of fasc...

To determine the prevalence of animal fascioliasis in coastal regions of the Caspian Sea, during 2006-2007, a total of 2368 faecal samples were collected from sheep (n=1250), cattle (n=975) and horse (n=143). The samples were obtained directly from the rectum of animals. Floatation method was performed for determination of egg per gram of faeces (EPG). Our findings revealed the presence of Fasc...

In the framework of collection and determination of coastal sand dune plants of S Caspian Sea in Gilan and Mazandaran provinces (N Iran), a new species of the family Poaceae,Cenchrus longispinus (Hack.) Fernald, was determined in coastline of Babolsar, Mazandaran. Cenchrus longispinus is closely resembles C. spinifex and C. echinatus. From the latter it is best distinguished by the absence of a...

Variations in fruits morphology of Tilia spp. were studied along longitudinal and altitudinal range. Ten populations of Tilia spp.from Golestan, Mazandaran and Gilan Provinces (N. Iran) were selected. After biometrical measurements and Scanning Electron Microscopic (SEM), Cluster Analysis divided the population into seven groups. Discriminat Analysis showed that among all traits studied, size o...

During 2001-2002, a total number of 164 soil-root samples were collected from citrus orchards of six provinces, namely, Fars, Gilan, Mazandaran, Kerman, Hormozgan and Sistan va Baloochestan. Soil samples were decanted and centrifuged and spores were collected and examined. Out of 23 identified species, five species were recognized new to Iran mycoflora. New species are as follows: Gomus albidum...