Suppression of Powell Amaranth (Amaranthus powellii) by Buckwheat Residues: Role of Allelopathy

Previous studies have demonstrated that emergence and growth of Powell amaranth is inhibited in soils where buckwheat has been grown and incorporated. The primary objectives of this research were to (1) evaluate the possible role of allelopathy in explaining that suppression; (2) distinguish between...

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Bibliographic Details
Published in:	Weed science Vol. 57; no. 1; pp. 66 - 73
Main Authors:	Kumar, Virender, Brainard, Daniel C., Bellinder, Robin R.
Format:	Journal Article
Language:	English
Published:	810 East 10th Street, Lawrence, KS 66044-8897 Weed Science Society of America 01-01-2009 Cambridge University Press
Subjects:	Acid soils Activated carbon adsorption Agricultural soils Agrology allelopathy Amaranth Amaranthus powellii Biological and medical sciences broadleaf weeds Buckwheat chemical treatment cover crop crop residues electrical conductivity Emergence Fagopyrum esculentum Fundamental and applied biological sciences. Psychology Germination green manure growth heat treatment mineral soils nitrogen content Parasitic plants. Weeds phenolic compounds Phytopathology. Animal pests. Plant and forest protection plant extracts plant growth residue effects roots seedling emergence shoots Silt loam soils soil chemical properties Soil chemistry soil organic matter Soil treatment weed control WEED MANAGEMENT New York Powell amaranth (= green pigweed), Amaranthus powellii S. Wats. AMAPO cover crop green manure residue effects Emergence growth activated carbon buckwheat, Fagopyrum esculentum Moench Vegetals Green manure Suppression Cover crop Allelopathy Amaranthaceae Residue Dicotyledones Activated carbon Weed science Angiospermae Amaranthus Herbaceous plant Spermatophyta
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