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Showing 1 to 7 of 7 for “"Giant ragweed"”.
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Evaluation of Glyphosate Resistant Giant Ragweed (Ambrosia trifida) in Ohio Soybean (Glycine max) Fields
… 2011 and 2012 to evaluate glyphosate resistant giant ragweed in Ohio soybean (Glycine max) fields. Specific objectives were as follows: 1) Determine the spatial distribution and incidence of giant ragweed (Ambrosia trifida) infestations in Ohio soybean fields at the end of the growing season; 2) …
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The Role Of Soil Microorganisms In The Resistance Of Giant Ragweed, Horseweed, And Common Lambsquarters To Glyphosate
… weeds of the midwestern United States: giant ragweed (Ambrosia trifida L.), horseweed [(Conyza canadensis (L.) Cronq.], and common lambsquarters (Chenopodium album L.). Through a series of greenhouse and lab experiments we determined that root colonization by soil microorganisms …
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Chionodes mediofuscella (Clemens) (Lepidoptera:Gelechiidae), an indigenous insect infesting the seeds of giant ragweed (Ambrosia trifida L.) (Compositae)
Ragweeds are anemophilic composites belonging to the genus Ambrosia, and are the most important aeroallergens in North America. Ambrosia trifida L., giant ragweed, is a ruderal plant widely distributed throughout the eastern and central portions of North America. The greatest concentration of this …
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Understanding Plant Response to Stress Using Gene Model Quality Evaluation and Transcriptome Analysis
… resistance in <em>Ambrosia trifida</em> (giant ragweed). Giant ragweed is one of the most competitive annual weeds in corn and soybean production across the eastern Corn Belt in the United States. The use of glyphosate (commercial name: Roundup) and glyphosate-ready crop systems managed to …
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THE INFLUENCE OF CARRIER WATER QUALITY, COAPPLIED FOLIAR FERTILIZER, AND WATER CONDITIONING ADJUVANT ON HERBICIDE EFFICACY
… 2,4-D choline; glufosinate; or mesotrione on giant ragweed (Ambrosia trifida L.), horseweed [(Conyza canadensis (L.) Cronq.], Palmer amaranth (Amaranthus palmeri S. Wats.), and pitted morningglory (Ipomoea lacunosa L.). When considering spray solution temperature, premixed dicamba plus …
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Field efficacy and availability, movement, and persistence of ICIA-0051 herbicide in soils
… Michx.) control ranged from 43 to 87%. Giant ragweed (<i>Ambrosia trifida</i> L.) control ranged from 30 to 95%, while control of ivyleaf morningglory (<i>Ipomoea hederacea</i> (L.) Jacq.) was below 75% in the preemergence treatments and ranged from 89 to 99% in the postemergence …
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Feedback by the soil microbial community on the distribution of two weeds
… weeds, common sunflower (Helianthus annuus) and giant ragweed (Ambrosia trifida). These two plants generally follow opposite gradients of abundance from west to east in the northern United States, and I hypothesized that soil feedback can partially explain this pattern. In each of six states, …