Under the present paper, authors have reposted finding of Sambucus nigra L. as new introduction in medicinal plans in the flora of "Valley of flowers'. Sambucus nigra L. Originally is an European plant and is very important for its medicinal potential, being used in various systems of medicine to cure number of ailments. In natural order Sambucus nigra L. belongs to family caprifoliaceae.

Periplaneta americana (Blattodea:Blattidae) toxicity of 17 different plant-based essential oil against, adults were investigated. Used oils Lavendula angustifola (Lamiaceae), Zingiber officinale (Zingiberaceae), Citrus bergamia (Rutaceae), Juniperus virginiana (Cupressaceae), Piper nigrum (Piperaceae), Curcuna longa Betula lenta (Betulaceae), Myristica fragranaceae (Myristica fragranaceae), com...

fibers of poplar wood (populus nigra l.) were prepared and oven dried. afterwards, they were acetylated with acetic anhydride without a catalyst. acetylation was carried out for different durations at 120ºc. different weight percentage gains (wpgs) were achieved based on the operating conditions. acetylated fibers were exposed to varying levels of relative humidity to determine equilibrium mois...

The typhlocybine, Zygina nivea Mulsant & Rey 1855, was found in urban areas of Argentina colonizing trees of poplar (Populus alba L. and P. nigra L.). This is the first mention of the genus Zygina Fieber from the Neotropical region. In this paper redescription of the male, description of the female, distributional and host plant data, and behavioural observations of this species are given.

Previously, we reported that inorganic phosphate (Pi) deprivation of Brassica nigra suspension cells or seedlings leads to a progressive increase in the a$-subunit ratio of the inorganic pyrophosphate (PPibdependent phosphofructokinase (PFP) and that this coincides with a marked enhancement in the enzyme’s activity and sensitivity to i ts allosteric activator, fructose-2,6-bisphosphate (Fru-2,6...

Several North American walnut species (Juglans spp.) are threatened by thousand cankers disease which is caused by the walnut twig beetle (Pityophthorus juglandis Blackman) and its associated fungal plant pathogen, Geosmithia morbida M. Kolarík, E. Freeland, C. Utley and N. Tisserat sp. nov. Spread of this disease may occur via movement of infested black walnut (Juglans nigra L.) wood. This stu...