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...

Since 1987, as many 16 southeastern US states participate in a 4 wk annual spring Dendroctonus frontalis (Zimmerman) (Coleoptera: Curculionidae) trapping survey. The purpose of the survey is to assess current D. outbreak potential, and anticipate prevention suppression needs for coming yr. This prediction system relies on capturing peak dispersal, thus timing trap deployment crucial. Forest man...

The redbay ambrosia beetle, Xyleborus glabratus Eichhoff, is a non-native invasive pest and vector of the fungus that causes laurel wilt disease in certain trees of the family Lauraceae. This study assessed the relative attractiveness and suitability of cut bolts of several tree species to X. glabratus. In 2009, female X. glabratus were equally attracted to traps baited with swampbay (Persea pa...

Surface mining in West Virginia removes the eastern deciduous forest and reclaiming the mined land to a productive forest must consider soil depth, soil physical and chemical properties, soil compaction, ground cover competition, and tree species selection. Our objective was to evaluate tree survival and growth in weathered brown sandstone and in unweathered gray sandstone. Brown and gray sands...

La mosca-linterna manchada, Lycorma delicatula (Blanca) (Hemiptera: Fulgoridae), es un herbívoro polífago invasivo originario de China que se detectó por primera vez en Pensilvania, EE. UU. el 2014. Desde la primavera del 2022, L. ha dispersado a 11 estados su rango este los UU., lo provocó cuarentenas, mayor vigilancia y nuevas investigaciones. A pesar las preferencias conocidas árbol cielo, A...

The composition and successional status of a forest affect carbon storage and net ecosystem productivity, yet it remains unclear whether elevated atmospheric carbon dioxide (CO2) will impact rates and trajectories of forest succession. We examined how CO2 enrichment (+200 microL CO2/L air differential) affects forest succession through growth and survivorship of tree seedlings, as part of the D...

—In 2001, we initiated a study in Jackson County, AL, to examine shelterwood prescriptions in mixed mesophytic upland hardwood forests located on the escarpment of the mid-Cumberland Plateau. We were particularly interested in testing a shelterwood method that was successfully applied in other upland hardwood systems to recruit Quercus into competitive size classes. In the midstory herbicide sh...