Background and aim: Tanacetum parthenium L. is herbaceous perennial medicinal plant belonging to the Asteraceae family. Feverfew is used as an analgesic, housing, fever-lowering, anti-rheumatism and migraines in traditional medicine. The most important active ingredient of the herb is essential oil. Variation on genetic and environmental conditions play a major role in...

Background and aim: Tanacetum parthenium L. is herbaceous perennial medicinal plant belonging to the Asteraceae family. Feverfew is used as an analgesic, housing, fever-lowering, anti-rheumatism and migraines in traditional medicine. The most important active ingredient of the herb is essential oil. Variation on genetic and environmental conditions play a major role in...

background: plant cell cultivations are considered as an alternative to agricultural processes for producing valuable phytochemicals (secondary metabolites). the use of plant cell cultures has overcome several inconveniences for the production of secondary metabolites. objective: the essential oils isolated from roots of 24-month-old field grown valerian (valeriana sisymbriifolium) and hairy ro...

Conifer defenses against bark beetle attack include, but are not limited to, quantitative and qualitative defenses produced prior to attack. Our objective was to assess host defenses of lodgepole pine and ponderosa pine from ecotone stands. These stands provide a transition of host species for mountain pine beetle (Dendroctonus ponderosae; MPB). We asked two questions: (1) do the preformed quan...

A review on a medicinal plant belong to family Labiatae has been made in the Kingdom of Saudi Arabia. Among reported flora Arabia, highest species. total 23 species with high value. detail 12 had done know their phytochemical constituents, uses and pharmacological properties. In this we also explore chemical constituents present each unique list 3D structures. (E)-2-Hexenal, 1,8-Cineole, Bicycl...

Wheel bugs (Heteroptera: Reduviidae: Harpactorinae: Arilus) are general predators, the females of which have reddish-orange subrectal glands (SGs) that are eversible like the osmeteria in some caterpillars. The rancid odor of Arilus and other reduviids actually comes from Brindley's glands, which in the North (A. cristatus) and South (A. carinatus) American wheel bugs studied emit similar blend...