Journal ArticleDOI
Deciphering the evolution of herbicide resistance in weeds
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TLDR
Recent advances in understanding the genetic bases and evolutionary drivers of herbicide resistance that highlight the complex nature of selection for this adaptive trait are reviewed.About:
This article is published in Trends in Genetics.The article was published on 2013-11-01. It has received 453 citations till now.read more
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Metabolic Profiling and Enzyme Analyses Indicate a Potential Role of Antioxidant Systems in Complementing Glyphosate Resistance in an Amaranthus palmeri Biotype
Amith S. Maroli,Vijay K. Nandula,Franck E. Dayan,Stephen O. Duke,Patrick Gerard,Nishanth Tharayil +5 more
TL;DR: In this paper, metabolic and biochemical assays were employed to identify physiological perturbations induced by a commercial formulation of glyphosate in susceptible (S) and resistant (R) biotypes of Amaranthus palmeri.
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Phorate can reverse P450 metabolism-based herbicide resistance in Lolium rigidum.
TL;DR: The selective reversal of P450-mediated metabolic multiple resistance to chlorsulfuron and trifluralin in the grass weed L. rigidum is reported by synergistic interaction with the insecticide phorate and the putative mechanistic basis is discussed.
Journal ArticleDOI
Science-based intensive agriculture: Sustainability, food security, and the role of technology
Jim Gaffney,James Bing,Patrick F. Byrne,Kenneth G. Cassman,Ignacio A. Ciampitti,Deborah P. Delmer,Jeffrey E. Habben,H. Renee Lafitte,Ulrika Lidstrom,Dana O. Porter,John E. Sawyer,Jeff Schussler,Tim L. Setter,Robert E. Sharp,Tony J. Vyn,David Warner +15 more
TL;DR: Corteva Agriscience, USA Department of Soil and Crop Sciences, Colorado State University, USA c Department of Agronomy and Horticulture, University of Nebraska and University of Missouri as discussed by the authors.
Journal ArticleDOI
In Vivo 31P-Nuclear Magnetic Resonance Studies of Glyphosate Uptake, Vacuolar Sequestration, and Tonoplast Pump Activity in Glyphosate-Resistant Horseweed
TL;DR: In this article, the authors show that glyphosate entry into the plant cell (cytosolic compartment) is first order in extracellular glyphosate concentration, independent of pH and dependent upon ATP.
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Target site mutations and cytochrome P450s confer resistance to fenoxaprop‐P‐ethyl and mesosulfuron‐methyl in Alopecurus aequalis
TL;DR: This study confirms the first case of a grass weed featuring broad-spectrum resistance to ALS-inhibiting herbicides due to a Pro-197-Tyr mutation in the ALS gene.
References
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Crop losses to pests
TL;DR: Despite a clear increase in pesticide use, crop losses have not significantly decreased during the last 40 years, however, pesticide use has enabled farmers to modify production systems and to increase crop productivity without sustaining the higher losses likely to occur from an increased susceptibility to the damaging effect of pests.
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Environmental and Economic Costs of Nonindigenous Species in the United States
TL;DR: Aproximately 50,000 nonindigenous (non-native) species are estimated to have been introduced to the United States, many of which are beneficial but have caused major economic losses in agriculture, forestry, and several other segments of the US economy, in addition to harming the environment.
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Evolution in Action: Plants Resistant to Herbicides
Stephen B. Powles,Qin Yu +1 more
TL;DR: Understanding resistance and building sustainable solutions to herbicide resistance evolution are necessary and worthy challenges to herbicides sustainability in world agriculture.
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The genetics of human adaptation: hard sweeps, soft sweeps, and polygenic adaptation.
TL;DR: This work argues for alternatives to the hard sweep model: in particular, polygenic adaptation could allow rapid adaptation while not producing classical signatures of selective sweeps, and discusses some of the likely opportunities for progress in the field.
Journal ArticleDOI
Gene amplification confers glyphosate resistance in Amaranthus palmeri
Todd A. Gaines,Wenli Zhang,Dafu Wang,Bekir Bukun,Stephen T. Chisholm,Dale L. Shaner,Scott J. Nissen,William L. Patzoldt,Patrick J. Tranel,A. Stanley Culpepper,Timothy L. Grey,Theodore M. Webster,William K. Vencill,R. Douglas Sammons,Jiming Jiang,Christopher Preston,Jan E. Leach,Philip Westra +17 more
TL;DR: This work investigated recently discovered glyphosate-resistant Amaranthus palmeri populations from Georgia, in comparison with normally sensitive populations, and revealed that EPSPS genes were present on every chromosome and, therefore, gene amplification was likely not caused by unequal chromosome crossing over.