Objective: Chamomile is one of the commercial medicinal plants produced in Ethiopia. Besides, it is priority crop in national aromatic and medicinal plants research project in the country. As chamomile production affected by production techniques this activity was conducted to identify the effect of seed storage duration and seedling raising methods on its seedling establishmen...

High peak metabolic rates may provide a performance advantage, but it may also entail a physiological cost. A long-held assumption is that high mass-specific energy expenditure is associated with short lifespan. To examine the relationship between energy expenditure and lifespan we asked two questions. First, do individuals have a consistent rate of metabolism throughout their life? Second, is ...

BACKGROUND The scarce fritillary Euphydryas (Hypodryas) maturna (L.) is included in the Habitats Directive's Annexes II and IV(a). Therefore, it is crucially important to be able to define the habitat and breeding places of E.maturna in a correct and unbiased way. NEW INFORMATION Data on a previously unknown pre-diapause main host plant, the small cow-wheat (Melampyrumsylvaticum L.), of Euphy...

The regal fritillary ("regal") (Speyeria idalia) is endangered in Wisconsin, USA, and declining and at risk range-wide. During 1988-2015, we surveyed 24 known regal sites and >100 areas of potential habitat in Wisconsin. We recorded 9037 individuals in 742.7 km on the peak survey per year at occupied sites. At six sites surveyed over 5-25 years, we found regal fritillaries in only one year, mos...

this study was carried out to investigate flower yield and yield components in iranian rosa damascena using 20 genotypes, collected from different regions of iran and grown in drylands and deserts research station of kashan, iran, using a randomized complete block design with three replications in 2007-2008. flower yield per plant, number of flowers per plant, plant height, leaf length, width, ...

Fritillaria is a perennial herb with medicinal properties. There are 158 species worldwide, 33 of which have reported therapeutic efficacy. Alkaloids the principal constituents in Fritillaria. growing at 2700–4000 m sources extract namely Chuan Beimu (the Pharmacopoeia People’s Republic China, 2020 Edition), low biomass, mainly containing more 5?-cevanine isosteroidal alkaloids cis-configuratio...