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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Journal ArticleDOI
Resistance evolution, from genetic mechanism to ecological context.
Journal ArticleDOI
First Report of Multiple Resistance in Galium aparine to ALS-Inhibiting and Auxin Analog Herbicides in Kermanshah, Iran
Iraj Nosratti,A. Muhammadyari +1 more
TL;DR: Catchweed Bedstraw (Galium aparine) is a problematic weed, which has become increasingly difficult to control with herbicides in Iran, and some populations were found to have developed multiple resistant to both auxinic and ALS herbicides.
Journal ArticleDOI
Occurrence of noxious weeds under different soil management systems.
A. K. P. Melo,José de Anchieta Alves de Albuquerque,Raphael Henrique da Silva Siqueira,E. E. da Silva,R. D. de Medeiros,Kelly Tagianne Santos de Souza,Leandro Torres de Souza,Arr Gonçalves,M. B. B. Soares +8 more
TL;DR: In this article, the authors identify weed species in areas under different soil management systems (native vegetation, minimum tillage, no-tillage, conventional tillage with crop rotation), and then the phytosociological indices (Relative density, relative frequency, relative abundance, importance value index and dry mass) were calculated.
Posted ContentDOI
Fitness cost associated with enhanced EPSPS gene copy number and glyphosate resistance in an Amaranthus tuberculatus population
Helen M. Cockerton,Shiv S. Kaundun,Lieselot Nguyen,Sarah-Jane Hutchings,Richard Dale,Anushka Howel,Paul Neve +6 more
TL;DR: In this article, the authors studied a population of Amaranthus tuberculatus (common waterhemp), which has evolved resistance to glyphosate and found a positive correlation between the level of resistance and gene copy number for the 5enolpyruvylshikimate-3-phosphate synthase (EPSPS) glyphosate target, thus indicating gene amplification as the mechanism of resistance within the population.
The evolutionary response of wild radish (Raphanus raphanistrum L.) populations to selections in agriculture
TL;DR: This study highlights that the sustainability of 2,4-D amine use on wild radish is contingent on consistently achieving high levels of control, and indicates that the growing number of dicot species that have evolved glyphosate resistance in the Americas, synthetic auxin tolerance has been incorporated into transgenic herbicideresistant crops.
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.