development of a green belt with suitable plant species around the source of emission can mitigate the atmospheric contamination. selection of such plant species are required to combat air pollution based on their tolerance level. present study was undertaken to evaluate the tolerance level of higher plants in east of esfahan city, iran, during 2011 in terms of assessing air pollution tolerance...

Plant leaves exist in a dizzying array of shapes and sizes, from the tiny duckweed (Lemna minor) to the enormous Raphia palm (Raphia farinifera), and the simpleleaved poplar (Populus sp) to the deeply lobed oak (Quercus spp) or the delicate compound-leaved Mimosa spp. Class I KNOTTED-like (KNOX1) genes have been found to play an important role in the development of compound leaves in many vascu...

Abstract The ambrosia beetles Xylosandrus germanus (Blandford) and crassiusculus (Motschulsky) bore into flood-stressed trees to establish colonies, but the influence of flooding duration on colonization is unknown. This relationship was examined by for various time periods evaluating colonization. In one experiment, X. bored 20 dogwood (Cornus florida L.) during a 3-d flood treatment. Ten diss...