Background and objectives: Iran owns a rich and prestigious heritage of medicinal herbs but the majority of these plants have not yet undergone chemical, pharmacological and toxicological studies. In the present study some species form northern parts of Iran were evaluated for cytotoxicity. Methods: Sixteen medicinal plants were extracted with methanol and screened for their cytotoxic activitie...

In a microcosm experiment, I tested how species composition, species richness, and community age affect the susceptibility of grassland communities to invasion by a noxious weed (Centaurea solstitialis L.). I also examined how these factors influenced Centaurea’s impact on the rest of the plant community. When grown in monoculture, eight species found in California’s grasslands differed widely ...

Background and objectives: Iran owns a rich and prestigious heritage of medicinal herbs but the majority of these plants have not yet undergone chemical, pharmacological and toxicological studies. In the present study some species form northern parts of Iran were evaluated for cytotoxicity. Methods: Sixteen medicinal plants were extracted with methanol and screened for their cytotoxic activitie...

Centaurea is one of the most important genera within family Asteraceae. An investigation phytochemical composition bruguieriana using Gas-Chromatography coupled to Mass spectrometry (GC-MS) was performed. Antimicrobial activity evaluated minimum inhibitory concentration method (MIC) and validated by molecular docking for major compounds active fraction (1,10-di-epi-cubenol methyl 8-oxooctanoate...

Washington state has long employed natural enemies for the management of invasive aquatic and terrestrial plant species infesting state, federal, tribal, and privately owned water bodies and lands. During the last 55 years, a total of 72 natural enemies have been used for the biological control of 30 nonindigenous weeds. Over 85% of the organisms deployed have been insects, the remaining bioage...