the purpose of this study was to examine the effect of educational – extension factors on the use of transgenic plants. this study was conducted through a survey design. the research was an applied study type. the research method of this study is descriptive-correlation.  statistical population of the study consisted of all of biotechnology experts of research center of agriculture of ilam prov...

wetlands are often considered sinks for contaminants, and aquatic plants have been shown to play important roles in wetland biogeochemistry through their active and passive circulation of elements. in this research, in order to evaluate the concentration level of heavy metals released by the urban, industrial and agricultural activities at the margin of the rivers flowing into anzali lagoon, as...

ornamental geophytes (ornamental flower bulbs) are international and national heritage considering their contribution to people's life quality around the world. iranian habitats support about 8000 species of flowering plants (belonging to 167 families and 100 genera) of which almost 1700 are endemic. iran is a rich country in terms of distribution of bulbous plants. more than 200 species of bul...

background & aim: bushehrwith an area of about 177.1km² is situated in center of bushehr province, southern iran. existence beach line with persian gulf and helle river cause of settlement diversity in this zone. with attention in this settlement diversity in this zone transaction of this work is necessary. experimental: many specimens were collected during the vegetative seasons in 2011to ...

background & aim: during human history, most of infectious diseases have been cured with herbal drugs traditionally so that, nowadays, in most developing countries, herbal drugs play an important role in primal remedy. this study has been done according to the appropriate climate and biodiversity of plants in golestan province in order to investigate the antimicrobial activity of alcoholics...

to express their ideas, feeling, and imagination, a large number of ancient arab poets employed terminologies current in that period, especially those related to spices and herbals and their advantages. their main impetus came from their investigative instinct as well as their religious beliefs that emphasize the importance of herbals for their medical and nutritional benefits. hence, such subj...

naturally occurring substances mentioned in medieval medical literatures currently have, and will continue to have, a crucial place in drug discovery. avicenna was a persian physician who is known as the most influential medical writers in the middle ages. avicenna`s canon of medicine, the most famous books in the history of medicine, presents a clear and organized summary of all the medical kn...

background and objectives: cancer is a public health problem all over the world. herbal medicines have a vital role in the prevention and treatment of cancer and large numbers of plants and their isolated constituents have shown potential anticancer activity. methods: twenty seven medicinal plants from southern iran provinces have been extracted with methanol and screened for their cytotoxic ac...

aquatic plants have a major influence upon other aquatic organisms, by altering both water chemistry and spatial structure of the habitat in shallow water bodies. some of them, such as stratiotes aloides l., may suppress algal growth. but how aquatic plants would ultimately influence the heterotrophic community and the aquatic ecosystem as a whole is far from clear. our microcosm-based study de...

three extracts of pulicaria dysenterica were examined for antibacterial activity using the agar disk-diffusion method against six bacterial strains. some of these extracts were found to be active against some bacterial strains. the methanolic extract exhibited a superior level of antibacterial activity. all of the extracts were active against vibrio chlorea.