Peter C. Ellsworth
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View article: Prenatal exposure to agricultural pesticide applications and gestational diabetes mellitus in the Az-PEARS population-based study (2014–2020)
Prenatal exposure to agricultural pesticide applications and gestational diabetes mellitus in the Az-PEARS population-based study (2014–2020) Open
Exposure to pyrethroids in T0, and organophosphates in T3 are associated with higher GDM risk. Our findings suggest that critical windows of pesticide exposure may be important considerations for GDM risk.
View article: Figure 2 from Resistance Management for Cancer: Lessons from Farmers
Figure 2 from Resistance Management for Cancer: Lessons from Farmers Open
Schematic of a MoA schedule. A, In pest management, pest managers avoid sequential use of the same MoA and avoid using a MoA more than twice within the same growing season. To avoid cancer cells acquiring therapeutic resistance, repeated a…
View article: Data from Resistance Management for Cancer: Lessons from Farmers
Data from Resistance Management for Cancer: Lessons from Farmers Open
One of the main reasons we have not been able to cure cancers is that treatments select for drug-resistant cells. Pest managers face similar challenges with pesticides selecting for pesticide-resistant insects, resulting in similar mechani…
View article: Resistance Management for Cancer: Lessons from Farmers
Resistance Management for Cancer: Lessons from Farmers Open
One of the main reasons we have not been able to cure cancers is that treatments select for drug-resistant cells. Pest managers face similar challenges with pesticides selecting for pesticide-resistant insects, resulting in similar mechani…
View article: Preconception and first trimester exposure to pesticides and associations with stillbirth
Preconception and first trimester exposure to pesticides and associations with stillbirth Open
Associations of pesticide exposures during preconception with stillbirth have not been well explored. We linked Arizona pesticide use records with birth certificates from 2006 to 2020 and estimated associations of living within 500 m of an…
View article: Transgenic cotton expressing Mpp51Aa2 does not adversely impact beneficial non-target hemiptera in the field
Transgenic cotton expressing Mpp51Aa2 does not adversely impact beneficial non-target hemiptera in the field Open
The modified Mpp51Aa2 (previously Cry51Aa2.834_16) insecticidal crystal protein derived from Bacillus thuringiensis (Bt) protects against feeding damage caused by targeted hemipteran and thysanopteran pests, and was transformed in cotton t…
View article: Spatial scale of non-target effects of cotton insecticides
Spatial scale of non-target effects of cotton insecticides Open
Plot size is of practical importance in any integrated pest management (IPM) study that has a field component. Such studies need to be conducted at a scale relevant to species dynamics because their abundance and distribution in plots migh…
View article: Resistance Management for Cancer: Lessons from Farmers
Resistance Management for Cancer: Lessons from Farmers Open
One of the main reasons we have not been able to cure cancers is that drugs select for drug-resistant cancer cells. Pest managers face similar challenges with pesticides selecting for pesticide-resistant organisms. Lessons in pest manageme…
View article: Spatial Scale of Non-Target Effects of Cotton Insecticides
Spatial Scale of Non-Target Effects of Cotton Insecticides Open
Plot size is of practical importance in any integrated pest management (IPM) study that has a field component. Such studies need to be conducted at a scale relevant to species dynamics because their abundance and distribution in plots migh…
View article: Mortality dynamics of a polyphagous invasive herbivore reveal clues in its agroecosystem success
Mortality dynamics of a polyphagous invasive herbivore reveal clues in its agroecosystem success Open
BACKGROUND The population dynamics of polyphagous pests such as Bemisia argentifolii ( B. tabaci MEAM1) are governed by complex, interacting factors involving its cultivated and wild host plants, seasonality, movement and demography. To un…
View article: Transgenic cotton and sterile insect releases synergize eradication of pink bollworm a century after it invaded the United States
Transgenic cotton and sterile insect releases synergize eradication of pink bollworm a century after it invaded the United States Open
Significance We report eradication of the pink bollworm, one of the world’s most damaging crop pests, from the cotton-growing areas of the continental United States and northern Mexico. A coordinated, multitactic program achieved this succ…
View article: Novel insecticides and generalist predators support conservation biological control in cotton
Novel insecticides and generalist predators support conservation biological control in cotton Open
Arizona has a successful integrated pest management plan for arthropod pests of cotton including two key pests, Bemisia argentifolii (=B. tabaci MEAM1) and Lygus hesperus. Central to this plan is conservation of natural enemies through thr…
View article: Genetically Engineered Crops: Importance of Diversified Integrated Pest Management for Agricultural Sustainability
Genetically Engineered Crops: Importance of Diversified Integrated Pest Management for Agricultural Sustainability Open
As the global population continues to expand, utilizing an integrated approach to pest management will be critically important for food security, agricultural sustainability, and environmental protection. Genetically engineered (GE) crops …
View article: First transgenic trait for control of plant bugs and thrips in cotton
First transgenic trait for control of plant bugs and thrips in cotton Open
BACKGROUND Plant bugs ( Lygus spp.) and thrips ( Thrips spp.) are two of the most economically important insect pest groups impacting cotton production in the USA today, but are not controlled by current transgenic cotton varieties. Thus, …
View article: Quantifying Conservation Biological Control for Management of Bemisia tabaci (Hemiptera: Aleyrodidae) in Cotton
Quantifying Conservation Biological Control for Management of Bemisia tabaci (Hemiptera: Aleyrodidae) in Cotton Open
Conservation biological control can be an effective tactic for minimizing insect-induced damage to agricultural production. In the Arizona cotton system, a suite of generalist arthropod predators provides critical regulation of Bemisia tab…
View article: Assessing Compatibility of a Pesticide in an IPM Program
Assessing Compatibility of a Pesticide in an IPM Program Open
Judicious use of pesticides is generally accepted as an important pest-control tactic in integrated pest management programs, but not all pesticides are equally appropriate. When this project began, there was not an appropriate tool or set…
View article: Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, <em>Bemisia tabaci</em>, in Cotton As a Model System
Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, <em>Bemisia tabaci</em>, in Cotton As a Model System Open
Life tables provide a means of measuring the schedules of birth and death from populations over time. They also can be used to quantify the sources and rates of mortality in populations, which has a variety of applications in ecology, incl…
View article: Natural enemy impacts on <i> <scp>B</scp> emisia tabaci </i> ( <scp>MEAM1</scp> ) dominate plant quality effects in the cotton system
Natural enemy impacts on <i> <span>B</span> emisia tabaci </i> ( <span>MEAM1</span> ) dominate plant quality effects in the cotton system Open
1. Plant quality (bottom‐up effects) and natural enemies (top‐down effects) affect herbivore performance. Furthermore, plant quality can also influence the impact of natural enemies. 2. Lower plant quality through reduced irrigation increa…