L. Weston

Publications250
h-index40
Citations6,972
Highly Influential Citations305
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The role of root exudates and allelochemicals in the rhizosphere
Plant roots serve a multitude of functions in the plant including anchorage, provision of nutrients and water, and production of exudates with growth regulatory properties. The root–soil interface,… Expand
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Utilization of Allelopathy for Weed Management in Agroecosystems
Biorational alternatives are gaining increased attention for weed control because of concerns related to pesticide usage and dwindling numbers of labeled products, particularly for minor-use crops.… Expand
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Phytotoxicity and Distribution of Sorgoleone in Grain Sorghum Germplasm
The relative phytotoxicity of sorgoleone as measured by seed germination and seedling growth of selected crop and weed species and inhibition of photosynthetic oxygen evolution in atrazine-resistan...
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Biological Activity of Resveratrol, a Stilbenic Compound from Grapevines, Against Botrytis cinerea, the Causal Agent for Gray Mold
The biological activity of resveratrol, a stilbenic compound synthesized by grapevines in response to various stresses, was reevaluated against Botrytis cinerea using a novel in vitro system that… Expand
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Evaluation of Root Exudates of Seven Sorghum Accessions
Seven sorghum accessions were evaluated quantitatively and qualitatively for the composition of their root exudates. Utilizing a unique capillary mat growing system, root exudates were collected from… Expand
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Weed and Crop Allelopathy
Allelopathy can be defined as an important mechanism of plant interference mediated by the addition of plant-produced secondary products to the soil rhizosphere. Allelochemicals are present in all… Expand
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Grass roots chemistry: meta-Tyrosine, an herbicidal nonprotein amino acid
Fine fescue grasses displace neighboring plants by depositing large quantities of an aqueous phytotoxic root exudate in the soil rhizosphere. Via activity-guided fractionation, we have isolated and… Expand
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Flavonoids: Their Structure, Biosynthesis and Role in the Rhizosphere, Including Allelopathy
Flavonoids are biologically active low molecular weight secondary metabolites that are produced by plants, with over 10,000 structural variants now reported. Due to their physical and biochemical… Expand
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Isolation and characterization of allelopathic volatiles from mugwort (Artemisia vulgaris)
Several volatile allelochemicals were identified and characterized from fresh leaf tissue of three distinct populations of the invasive perennial weed, mugwort (Artemisia vulgaris). A unique bioassay… Expand
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Mechanisms for cellular transport and release of allelochemicals from plant roots into the rhizosphere.
Allelochemicals and other metabolites released by plant roots play important roles in rhizosphere signalling, plant defence and responses to abiotic stresses. Plants use a variety of sequestration… Expand
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