abstract the syrphidae family (known as hover flies or flower flies) is one of the largest families of diptera with almost 6000 species. adult flies feed on nectar and pollen of flowers and they are crucial agent in pollinating process. the larvae of many species of syrphidae are predators of aphids and play an important role in biological control of pests. in the following faunestic investigat...

background: thymus deanensis is a known aromatic plant which grows widely in iran and many mediterranean regions. in previous studies composition of essential oils of many species of thymus genus reported which they were rich of phenols like thymol and carvacrol. methods: water distilled essential oils from aerial parts of thymus deanensis var. deanensis from three different localities in iran ...

objective: reporting some biological side effects with special attention to reproductive points which were seen after different experiments in laboratories of the plasma physics & nuclear fusion in atomic energy organization of iran. materials and methods: dosimeter analysis and interpretation of biological side effects of research studies in nuclear fusion laboratories. results: in the last 3 ...

although the geographic and climatic conditions of the desert itself is not really growing, knowing about the iranian desert is important. what expands the deserts is the relationship of the desert areas with of the natural environment itself. degradation of water resources, soil and especially vegetation in the desert belt of iran provided conditions caused desertification and their spread on ...

fennel is one of the oldest herbs and possesses appealing flavor and beneficial medicinal effects. fennel(foeniculum vulgare mill.) belongs to the apiaceae family and its essential oil and seeds are used to flavor foods including meats, ice cream, candy, baked goods and condiments. the increasing commercial value of fennel necessitates the need to develop elite ecotypes with high essential oil ...

this study was conducted to evaluate the quality of the red flesh apples and golab cultivars. two iranian red flesh apples from shahroud and four golab cultivars as well as ‘gala’ as control from damavand were selected in summer 2012. fruit physical characteristics including length, diameter, fresh weight and dry weight, firmness, color and their parameters were evaluated for each cultivar. the...

large cities and metropolitan areas in developing countries are growing rapidly. these areas grew by attracting all facilities, services and capital of the country. tehran has been the major city and center for decision and policy making in various administrative, political, economic and socialaspects. this political focus has brought economic, social, educational focus that attracted a vast ma...

iran, with a yearly production of 147,000 tons of plums, is one of the most important plum producers in theworld. this study was conducted to compare the phenological and pomological characteristics of 18 plum cultivars. an experiment was conducted using a randomized complete block design with three replications at the khorasan razavi agricultural and natural resource and agricultural research ...

in order to study the response of concentration and composition of essential oil of coriander (coriandrum sativum) to cattle manure and nitrogen fixing bacteria, an experiment was conducted as factorial experiment in the base of randomized complete blocks design with twelve treatments and three replications at homand research station in damavand of iran in 2010. the factors were cattle manure i...

Background and Aims: Virus infections represent some of the most important diseases of lily, plants because of the devastating effects caused to the crops and the absence of effective treatments. A survey for virus diseases of lilies, revealed the occurrence of Cucumber mosaic virus (CMV) in plants growing in Tehran province, Iran. Materials and Methods: During 2013, 50 lily samples with virus-...