in order to study the effect of drought stress and harvesting stages on quantitative and qualitative yields of coriander (coriandrum sativum l.) this experiment was conducted on split plot based on a randomized completely block design with 3 replications in torbat-e heydariyeh university, iran, during growing season of 2010-2011. treatments were drought stress (in three levels no stress: contro...

Mini-Tn5-induced mutants with defects in utilization of linear terpenes such as citronellol, geraniol, citronellate and/or geranylate were isolated from Pseudomonas aeruginosa. One mutant was unable to utilize geraniol but showed wild-type growth with the three other acyclic terpenes tested. The Tn5 insertion site of the mutant was determined by DNA sequencing. Comparison with the P. aeruginosa...

Among insects, sexual pheromones are typically mixtures of two to several components, all of which are generally required to elicit a behavioral response. Here we show for the first time that a complete blend of sexual pheromone components is needed to elicit a response also in a butterfly. Males of the Green-veined White, Pieris napi, emit an aphrodisiac pheromone, citral, from wing glands. Th...

Introduction & Aim: The aim of this study was evaluating effect of methanol and ethanol foliar application as a new and safe technology in plant production on lemon balm’s (Melissa officinalis L.) volatile oil components. Experimental: Experimental carried out based on a Randomized Complete Block Design (RCBD) with fifteen treatments and three replications in the experimental field of...

In this study, aerial parts of Lippia citriodora Kunth were harvested at three phenological stages (i.e. vegetative, full flowering and fruit set). The essential oil isolated by hydro distillation for 3 h using a Clevenger-type apparatus and the oil was analyzed by GC and GC-MS. The yields of oils (w/w%) in different stages was in the order of: full flowering (0.9%), vegetative (0.48%) and frui...

The chemical composition of the essential oils from aerial parts of Pectis apodocephala and Pectis oligocephala were analyzed by GC-MS. The essential oils of these species were predominantly constituted by monoterpenes. Geranial (42.9– 44.5%), neral (32.2– 34.2%) and α-pinene (10.7– 11.4%) were the main constituents in the oil of P. apodocephala, while p-cymene (50.3– 70.9%) and thymol (24.4– 4...

The chemical composition of the essential oils from aerial parts of Pectis apodocephala and Pectis oligocephala were analyzed by GC-MS. The essential oils of these species were predominantly constituted by monoterpenes. Geranial (42.9-44.5%), neral (32.2-34.2%) and alpha-pinene (10.7-11.4%) were the main constituents in the oil of P. apodocephala, while p-cymene (50.3-70.9%) and thymol (24.4-44...

Zingiber officinale Roscoe rhizome plays a vital role in food flavoring as well utilization folk medicine. Nepal is categorized among the leading countries of Z. production and export. Mature collection based on major sites within Nepal, but we are currently unaware chemical composition essential oil for A comparative investigation compositions, collected from 12 different eastern, mid, western...

effects of 28 days lead acetate (ioc, 500, 1000 ppm) treatment on hypertension ami relationship between blood lead levels and hypertension in male. spraguc-dawley rats were studied. results of this study showed tlxat lead acetate treatment did run decrease, body wcight or water consumption, except for lead acetate (1000 ppm) and sodium acetate (500 ppm) which increased fluid consumption when co...