background & aim: because of seed germination ability of medicinal plants seed is low and, generally exposed to problem. priming is one of the techniques that help seeds to be germinated faster and uniformly. experimental: a laboratory experiment was carried out on germination and growth improvement in heracleum persicum desf.  by seed osmo-primming in seed technology laboratory ...

Background: Heracleum persicum was introduced to Norway as an ornamental in the 1830′s. Towards the end of the 19th century, it started spreading outside gardens, later to become a frequent sight in the major towns and settlements of North Norway – and a veritable pest plant. During the last 100 years or so, a substantial ethnobotanical tradition related to the species has evolved, demonstratin...

in order to investigate the medicinal species from montain of shirkooh (up village), in yazd provience, iran on three species by scientific names were heracleum persicum desf. ex fisch., c.a.mey. & avé-lall.; ziziphora clinopodioides lam. and nepeta asterotricha rech.f. were collected on june, july and august 2011. then all samples essential oils were extracted by hydro-distillation method (cla...

In order to investigate the medicinal species from montain of ShirKooh (Up village), in Yazd provience, Iran on three species by scientific names were Heracleum persicum Desf. ex Fisch., C.A.Mey. & Avé-Lall.; Ziziphora clinopodioides Lam. and Nepeta asterotricha Rech.f. were collected on June, July and August 2011. Then all samples essential oils were extracted by hydro-distillation method (cla...

The cowpea weevil, Callosobruchus maculatus F. (Coleoptera: Bruchidae), is an important pest of stored cowpea, Vigna ungiculata (L.) Walpers (Fabales: Fabaceae), with ample distribution in tropical and subtropical regions. Many plant essential oils have a broad-spectrum activity against pest insects, and these oils traditionally have been used in the protection of stored products. In this study...

BACKGROUND AND OBJECTIVE: Emergence of resistant microbial strains due to the consumption of chemical preservatives and medications, as well as uncertainty about the consumption of foods containing synthetic preservatives, have resulted in the growing popularity of natural preservatives. This study aimed to identify the chemichal compounds found in the essence of Persian hogweed (Heracleum pers...