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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Inheritance of 4-hydroxyphenylpyruvate dioxygenase inhibitor herbicide resistance in an Amaranthus tuberculatus population from Iowa, USA
TL;DR: This study confirms the reported "complex" HPPD resistance inheritance while providing new information in the response of HPPD-resistant waterhemp to HPPD herbicides.
Journal ArticleDOI
Effects of Fertility Amendments on Weed Growth and Weed–Crop Competition: A Review
TL;DR: In this article, a conceptual framework is proposed to summarize the mechanisms underlying observed variation within and between studies, highlighting functional traits and trends that help predict yield outcomes in binary weed-crop interactions, including timing of emergence, maximum heights of the weed and crop, and relative responsiveness to the added nutrient.
Journal ArticleDOI
Evolution and spread of glyphosate resistance in Conyza bonariensis in California and a comparison with closely related Conyza canadensis
Miki Okada,Bradley D. Hanson,Kurt J. Hembree,Yanhui Peng,Anil Shrestha,Charles Neal Stewart,Steven D. Wright,Marie Jasieniuk +7 more
TL;DR: The results strongly indicate that theSouthern valley was an environment markedly more suitable than the northern valley for resistance spread and that spread in Conyza species was driven by increased uniformity of strong selection in the southern valley, due to recent regulation on herbicides other than glyphosate.
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Herbicide Safeners Decrease Sensitivity to Herbicides Inhibiting Acetolactate-Synthase and Likely Activate Non-Target-Site-Based Resistance Pathways in the Major Grass Weed Lolium sp. (Rye-Grass).
TL;DR: It is demonstrated that cloquintocet-mexyl and mefenpyr-diethyl both reduced the sensitivity of Lolium sp.
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Integrated effect of allelochemicals and herbicides on weed suppression and soil microbial activity in wheat (Triticum aestivum L.)
Muhammad Azim Khan,Riaz Ahmad Afridi,Saima Hashim,Abdul Mateen Khattak,Zubair Ahmad,Fazli Wahid,Bhagirath S. Chauhan +6 more
TL;DR: Application of Phragmites australis and Parthenium hysterophorus along with lower rates of fenoxaprop- p -ethyl and bromoxynil plus MCPA showed promising results by controlling weeds and improving yield.
References
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Journal ArticleDOI
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.