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You searched for: Journal Weed science Remove constraint Journal: Weed science Subject Amaranthus retroflexus Remove constraint Subject: Amaranthus retroflexus Subject term Ohio Remove constraint Subject term: Ohio
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1. Crop rotation and tillage system effects on weed seedbanks

Author:
Cardina John; Herms Catherine P.; Doohan Douglas J.
Source:
Weed science 2002 v.50 no.4 pp. 448-460
ISSN:
0043-1745
Subject:
no-tillage; Oxalis; Persicaria pensylvanica; Veronica; Capsella bursa-pastoris; hay; Euphorbia maculata; Setaria faberi; Zea mays; Glycine max; seeds; Chenopodium album; corn; species diversity; weeds; crop rotation; plant communities; oats; herbicides; soybeans; growing season; plows; Avena sativa; Amaranthus retroflexus; crops; Ohio; Pennsylvania
Abstract:
... We characterized the size and species composition of the weed seedbank after 35 yr of continuous crop rotation and tillage system treatments at two locations in Ohio. Spring seedbanks were monitored during 1997, 1998, and 1999 in continuous corn (CCC), corn––soybean (CS), and corn––oats––hay (COH) rotations in moldboard plow (MP), chisel plow (CP), and no-tillage (NT) plots where the same herbicid ...
DOI:
10.1614/0043-1745(2002)050[0448:CRATSE]2.0.CO;2

2. Survey of Glyphosate-, Atrazine- and Lactofenresistance Mechanisms in Ohio Waterhemp (Amaranthus tuberculatus) Populations

Author:
Brent P. Murphy; Alvaro S. Larran; Bruce Ackley; Mark M. Loux; Patrick J. Tranel
Source:
Weed science 2019 v.67 no.3 pp. 296-302
ISSN:
0043-1745
Subject:
Amaranthus palmeri; Amaranthus retroflexus; Amaranthus tuberculatus; atrazine; crop production; gene amplification; glyphosate; glyphosate resistance; growers; growing season; lactofen; monitoring; mutation; resistance mechanisms; screening; surveys; weeds; Ohio
Abstract:
... Herbicide resistance within key driver weeds, such as common waterhemp [Amaranthus tuberculatus (Moq.) Sauer var. rudis (Sauer) Costea and Tardif ], constrains available management options for crop production. Routine surveillance for herbicide resistance provides a mechanism to monitor the development and spread of resistant populations over time. Furthermore, the identification and quantificatio ...
DOI:
10.1017/wsc.2018.91