Tapping the lucrative Marcellus Shale natural gas deposits may have a host of environmental concerns.

The oriental aphid Schizaphis piricola (Matsumura) is recorded for the first time in Europe, on the ornamental pear tree Pyrus calleryana in landscaped areas in Madrid (Spain). Data on the morphology of the forms on primary host (apterous and alate fundatrigeniae and fundatrices), and their biology and distribution are given. The keys for identifying species of Schizaphis (Schizaphis) in the Ib...

Abstract Laboratory feeding and fecundity bioassays, field defoliation surveys were conducted on 73 Ulmus eight Zelkova taxa to determine their relative susceptibility, preference, suitability for the adult Japanese beetle (Popillia japonica Newman). alata Michx., U. crassifolia Nutt., davidiana Planch., elliptica K. Koch, , glabra Hudson, laevis Pall., microcarpa, L.K. Fu, multinervis (syn. ca...

Ficus palmata, Pyrus pashia and Ficus auriculata are the popular wild edible fruits of Uttarakhand. The present study aimed to evaluate their total phenolic, flavonoid contents, antioxidant and antiproliferative activities by using two solvents namely 80% aqueous methanol and acetone. The results showed highest phenolic and flavonoid contents in the Ficus palmata acetone extract, while lowest i...

With regard to the importance of antioxidants in foods, cosmetics and pharmaceutics, there are several studies on natural resources for finding rich sources of antioxidants and their role in protecting the body against oxidative stress injuries. The purpose of this study was to investigate the antioxidant stability of arbutin and the Pyrus boissieriana buhse Leaf extract and their effects on li...

Above- and belowground tissues of co-occurring saplings (0.1-1 m height) of Acer saccharum Marsh. (very shade tolerant), Acer rubrum L. (shade tolerant), Fraxinus americana L. (intermediate shade tolerant), and Prunus serotina Ehrh. (shade intolerant) were harvested from a forest understory to test the hypothesis that the pattern of biomass allocation varied predictably with shade-tolerance ran...