Genetically Modified Crops and the New Paradigm for Herbicide Use in Row Crops

2013 ◽  
pp. 1-7
Author(s):  
Jerry M. Green
Keyword(s):  
Genetically Modified ◽  
Genetically Modified Crops ◽  
New Paradigm ◽  
Row Crops ◽  
Herbicide Use

scholarly journals Monarch butterfly and milkweed declines substantially predate the use of genetically modified crops

2019 ◽  
Vol 116 (8) ◽  
pp. 3006-3011 ◽  
Author(s):  
J. H. Boyle ◽  
H. J. Dalgleish ◽  
J. R. Puzey
Keyword(s):  
Genetically Modified ◽  
Danaus Plexippus ◽  
Genetically Modified Crops ◽  
Monarch Butterfly ◽  
The United States ◽  
Gm Crops ◽  
Herbicide Resistant ◽  
The Past ◽  
Scientific Attention ◽  
Herbicide Use

Monarch butterfly (Danaus plexippus) decline over the past 25 years has received considerable public and scientific attention, in large part because its decline, and that of its milkweed (Asclepias spp.) host plant, have been linked to genetically modified (GM) crops and associated herbicide use. Here, we use museum and herbaria specimens to extend our knowledge of the dynamics of both monarchs and milkweeds in the United States to more than a century, from 1900 to 2016. We show that both monarchs and milkweeds increased during the early 20th century and that recent declines are actually part of a much longer-term decline in both monarchs and milkweed beginning around 1950. Herbicide-resistant crops, therefore, are clearly not the only culprit and, likely, not even the primary culprit: Not only did monarch and milkweed declines begin decades before GM crops were introduced, but other variables, particularly a decline in the number of farms, predict common milkweed trends more strongly over the period studied here.

scholarly journals Monarch butterfly and milkweed declines substantially predate the use of genetically modified crops

2018 ◽  
Author(s):  
JH Boyle ◽  
HJ Dalgleish ◽  
JR Puzey
Keyword(s):  
Genetically Modified ◽  
Danaus Plexippus ◽  
Genetically Modified Crops ◽  
Monarch Butterfly ◽  
The United States ◽  
Gm Crops ◽  
Herbicide Resistant ◽  
The Past ◽  
Scientific Attention ◽  
Herbicide Use

AbstractMonarch butterfly (Danaus plexippus) decline over the past 25 years has received considerable public and scientific attention, in large part because its decline, and that of its milkweed (Asclepias spp.) host plant, have been linked to genetically modified (GM) crops and the associated herbicide use. Therefore, the monarch has emerged as a poster child for the anti-GM movement. Here we use museum and herbaria specimens to extend our knowledge of the dynamics of both monarchs and milkweeds in the United States to more than a century, from 1900-2016. We show that monarch population trends closely follow those of their milkweed hosts; that both monarchs and milkweeds increased during the early 20th century, and that recent declines are actually part of a much longer term decline in both monarchs and milkweed beginning around 1950. Herbicide resistant crops, therefore, are clearly not the only culprit, and likely not even the primary culprit, as these declines began decades before GM crops were introduced.

scholarly journals Use of genetically modified crops and pesticides in Brazil: growing hazards

2017 ◽  
Vol 22 (10) ◽  
pp. 3333-3339 ◽  
Author(s):  
Vicente Eduardo Soares de Almeida ◽  
Karen Friedrich ◽  
Alan Freihof Tygel ◽  
Leonardo Melgarejo ◽  
Fernando Ferreira Carneiro
Keyword(s):  
Human Exposure ◽  
Genetically Modified ◽  
Genetically Modified Crops ◽  
Gm Crops ◽  
Pesticide Use ◽  
Per Capita ◽  
Negative Impacts ◽  
Herbicide Use

Abstract Genetically modified (GM) crops were officially authorized in Brazil in 2003. In this documentary study, we aimed to identify possible changes in the patterns of pesticide use after the adoption of this technology over a span of 13 years (2000 to 2012). The following variables were analyzed: Pesticide use (kg), Pesticide use per capita (kg/inhab), Pesticide and herbicide use per area (kg/ha) and productivity (kg/ha). Contrary to the initial expectations of decreasing pesticide use following the adoption of GM crops, overall pesticide use in Brazil increased 1.6-fold between the years 2000 and 2012. During the same period, pesticide use for soybean increased 3-fold. This study shows that the adoption of GM crops in Brazil has led to an increase in pesticide use with possible increases in environmental and human exposure and associated negative impacts.

Environment and its Forms of Knowledge: The Regulation of Genetically Modified Crops in India

2021 ◽  
Vol 37 (2) ◽  
pp. 167-183
Author(s):  
Aniket Aga
Keyword(s):  
Power Relations ◽  
Genetically Modified ◽  
Genetically Modified Crops ◽  
Gm Crops ◽  
Regulatory Regime ◽  
Democratic Participation ◽  
Environment Protection ◽  
Policy Decisions ◽  
Inherent Ambiguity ◽  
Forms Of Knowledge

A fierce controversy over genetically modified (GM) crops has been raging in India for over two decades. Analyzing India’s regulatory regime for GM crops, this article focuses on the modes through which state bureaucracies know the environment. It argues that two epistemologies - scientific and legal-administrative – underpin environment protection. By unraveling the course of regulatory disputes, I demonstrate that bureaucracies are not just hierarchically divided but are also segmented by horizontal, functional specializations. There is thus an inherent ambiguity lodged between environment as a technical discourse and as statecraft. This ambiguity both fosters and constrains democratic participation in policy decisions and can even partially disrupt power relations in unanticipated ways.

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