Few studies have investigated the roles that plant hybridization and individual plant genotype play in promoting population divergence within arthropod species. Using nrDNA sequence information and reciprocal transfer experiments, we examined how tree cross type (i.e., pure Populus angustifolia and P. angustifolia x P. fremontii F(1) type hybrids) and individual tree genotype influence host rac...

Although soil microbial communities are known to play crucial roles in the cycling of nutrients in forest ecosystems and can vary by plant species, how microorganisms respond to the subtle gradients of plant genetic variation is just beginning to be appreciated. Using a model Populus system in a common garden with replicated clones of known genotypes, we evaluated microbial biomass and communit...

Background Dodonaea angustifolia is used in Ethiopian traditional medicine to treat malaria. The objective of this work was to conduct bioassay guided fractionation of the leaves of D. angustifolia using Plasmodium berghei infected mice. Method The antiplasmodial activity of the extracts and pure compounds was evaluated using the standard Peter's four-day suppressive method. The structures of...

In this study, 17 edible flowers (Allium ursinum L., Borago officinalis Calendula Centaurea cyanus Cichorium intybus Dianthus carthusianorum Lavandula angustifolia Mill., Leucanthemum vulgare (Vaill.) Lam., Paeonia Primula veris Robinia pseudoacacia Rosa canina pendulina Salvia pratensis Sambucus nigra Taraxacum officinale Weber, and Tropaeolum majus L.) were investigated to assess their sensor...

background and objectives: despite the vast production of new antibiotics in the last three decades, resistance to these drugs by microorganisms has increased and essential oils (eos) have been recognized to possess antimicrobial properties. methods:  in the present study, eos obtained from aerial parts of thymus vulgaris l., lavandula angustifolia mill., rosmarinus officinalis l. and mentha pi...