Several newly studied species and further accessions of the Lamiaceae have been analyzed for their exudate flavonoid profiles. The principal compounds accumulated were flavones and their 6-methoxy derivatives, whereas flavonols were rarely encountered. The chemodiversity observed was relatively low, with only some 15 derivatives being found. The new data are discussed in relation to published d...

The purpose of this study is to determine the woody species diversity in Sweet chestnut tree, Hazel-tree and Italian cypress ecosystems in the Guilan forests. A lozeng 0.5 ha sample plot was selectively established on each site. In the Sweet chestnut ecosystems , 4 sites were classified, whereas 10 sites of Hazel tree and Italian cypress ecosystems were classified based on species composition. ...

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Kernel-to-kernel moisture content (MC) distributions on panicles were measured for rice cultivars Bengal, Cypress, and Drew. Rice panicles in Arkansas were harvested at different stages of maturity from foundation seed fields at two locations with widely varying soils during the autumns of 1998, 1999, and 2000. The objective was to quantify variability of individual rice kernel MCs as affected ...

Surface litter from a natural and a sewage-enriched cypress dome in north-central Florida showed a pronounced seasonal pattern of nitrogenase (acetylene reduction) activity associated with seasonal leaf fall from deciduous trees in the domes. Samples of peat from cores indicated negligible nitrogenase activity below the surface layer. Integrating the monthly rates of nitrogen fixation (based on...

Abstract The Mediterranean cypress ( Cupressus sempervirens ) is an evergreen conifer that belongs to the Cupressaceae, which first plant family whose detailed evolutionary history traces break-up of supercontinent Pangaea roughly 150 million years ago. broad and deep economic socio-cultural significance species began in at least third millennium BCE. This interdisciplinary review highlights tr...

The reason for the increase in food allergy are unknow. due the short period of time that has been presented, it is suggested tan enviranmental factors have greater impact than genetics.The geographical conditions of Queretaro and having a large industrial corridor are risk factors for development of allergy problems. In Mexico there are no prevalence studies of food allergies and therefore the...

In southwest Georgia, wetlands can be classified based on source of inundation and vegetation. Depressional wetlands are inundated predominantly through rainfall and are identified as grass-sedge marshes, cypress savannas, and cypress-gum swamps. Riparian sloughs, composed of cypress and gum, occur along river corridors and are flooded when rivers are at high flow. During 1998-2000, we sampled ...

Seven 3',8''-linked bioflavonoids, including one new compound, (2''S)-2'', 3''-dihydroamentoflavone-4'-methyl ether and six known compounds: (2S)-2,3- dihydroamentoflavone-4'-methyl ether, (2S,2''S)-2,3,2'',3''-tetrahydroamento- flavone-4'-methyl ether, (2S,2''S)-tetrahydroamentoflavone, (2S)-2,3-dihydro- amentoflavone and (2''S)-2'',3''-dihydroamentoflavone (6) and amentoflavone, were isolated...

This paper reports on an experiment in which a Sun 3/50 workstation was used as a packet switch in a leased line based network. We conclude that the Sun is both capable and cost effective. • This work was supported in part by gnmts Iran the National &::iCJlee Foundation's Office. of Advanced Sc:iCJltifie Computing (NSF·851·8639), with addilional supportIrom Digital Equipment CoTpOllltion, CSNET...