background quorum sensing is a microbial cell-to-cell communication process. quorum sensing bacteria produce and release extracellular messenger molecules called autoinducers. gram-positive and gram-negative, homoserine lactones, and oligopeptides are autoinducers used to communicate and regulate gene expression. objectives the goal of this study was to assess the impact of subinhibitory concen...

medicinal plant powders have traditionally been used as grain protectants against stored-product insect pests. in this study, insecticidal activity of carum copticum l. and cuminum cyminum l. powders was assessed on adults of sitophilus granarius l. and tribolium confusum jacquelin du val. experiments were carried out on wheat at 27 ± 1 ºcand 55 ± 5% r. h. the mortality increased with increasin...