A5081738791- Insect-Plant Interactions and Control
- Insect Pest Control Strategies
- Insect and Pesticide Research
- Plant Parasitism and Resistance
- Insect Resistance and Genetics
- Plant and animal studies
- Remote Sensing in Agriculture
- Agricultural pest management studies
- Entomopathogenic Microorganisms in Pest Control
- Agronomic Practices and Intercropping Systems
- Forest Insect Ecology and Management
- Nematode management and characterization studies
- Ecology and Vegetation Dynamics Studies
- Weed Control and Herbicide Applications
- Wheat and Barley Genetics and Pathology
- Leaf Properties and Growth Measurement
- Plant responses to elevated CO2
- Plant Virus Research Studies
- Species Distribution and Climate Change
- Insect and Arachnid Ecology and Behavior
- Spectroscopy and Chemometric Analyses
- Genetics and Plant Breeding
- Animal Ecology and Behavior Studies
- Insect Pheromone Research and Control
- Insect behavior and control techniques
Agricultural Research Service
2010-2025
United States Department of Agriculture
1986-2025
Science Research Laboratory
2009-2021
Oregon State University
2019
Oklahoma State University
2003-2018
Delaware State University
2009
Northern Research Station
1990
University of Illinois Urbana-Champaign
1990
South Dakota State University
1988-1990
Michigan State University
1985-1986
A small, fixed-wing unmanned aircraft system (UAS) was used to survey a replicated small plot field experiment designed estimate sorghum damage caused by an invasive aphid. Plant stress varied among 40 plots through manipulation of aphid densities. Equipped with consumer-grade near-infrared camera, the UAS flown on recurring basis over growing season. The raw imagery processed using structure-from-motion generate normalized difference vegetation index (NDVI) maps fields and three-dimensional...
<title>Abstract</title> This book aims (1) to lay out the historical underpinnings of areawide pest (including weeds, plant and stored grain insect pests) management (AWPM) highlight current activity in field; (2) delve into concepts that have direct impact on successful implementation AWPM, which include: (i) biological ecological important for understanding dynamics populations spatially heterogeneous environments; (ii) critical role inter-agency multidisciplinary interactions development...
Remote detection of non-native invasive plant species using geospatial imagery may significantly improve monitoring, planning and management practices by eliminating shortfalls, such as observer bias accessibility involved in ground-based surveys. The use remote sensing for accurate mapping invasion extent pattern offers several advantages, including repeatability, large area coverage, complete instead sub-sampled assessments greater cost-effectiveness over methods. It is critical locating,...
The sorghum ( Sorghum bicolor [L.]) agroecosystem of North America provided an opportunity to evaluate response invading insect herbivore, Melanaphis sorghi (Theobald) (sorghum aphid) (previously published as sacchari Zehntner) (Hemiptera: Aphididae) onto a widely planted crop that experiences range agro-landscape and weather conditions. Initial risk assessments after M. 's invasion in the mid-2010s forecasts expansion annual migration, which were based on aphid life history, extent...
We used multiple regression modeling to investigate the numerical response by predatory insects Hippodamia convergens Guérin-Méneville, H. parenthesis (Say), and C. septempunctata L. (Coleoptera: Coccinellidae), Chrysoperla plorabunda (Fitch) (Neuroptera: Chrysopidae), Nabis americoferus Carayon (Hemiptera: Nabidae) aphids during 5 yr in three geographically separated alfalfa fields eastern South Dakota. Regression models for abundance of adults all species were significant. immature...
Plant entries that previously had tested resistant or susceptible to Russian wheat aphid, Diuraphis noxia (Mordvilko), were used evaluate the effect of aphid feeding on leaf chlorophyll content and in vivo fluorescence induction kinetics. D. for 96 h caused significant reductions a, b, total ('Avon', 'TAM W-101') barley ('Wintermalt'). Total constituent a b levels not significantly affected by (PI 366616, PI 372129) 366450) neither 386156) nor ('Beagle 82') critical. infestation resulted...
Functional responses and superparasitism by the indigenous parasitoid wasp Lysiphlebus testaceipes Cresson (Hymenoptera: Aphidiidae) introduced Aphidius colemani Viereck on greenbug, Schizaphis graminum Rondani (Homoptera: Aphididae), were measured at four temperatures (14, 18, 22, 26°C) during a 24-h period (12:12 L:D). At each temperature, 5–75 greenbugs exposed to individual mating pairs for 24 h. all experimental temperatures, functional both wasps most closely fit type III model....
Journal Article Effect of Insecticide Treatments on Root Lodging and Yields Maize in Controlled Infestations Western Corn Rootworms (Coleoptera: Chrysomelidae) Get access G. R. Sutter, Sutter USDA-ARS, Northern Plains Area, Grain Insects Research Laboratory, Brookings, South Dakota 57006 Search for other works by this author on: Oxford Academic PubMed Google Scholar J. Fisher, Fisher 1 1Current address: NPA, Rangeland Insect 11th Avenue, Bozeman, Mont. 59717. N. C. Elliott, Elliott 2...
Larval and pupal development of western corn rootworm was studied at eight constant temperatures ranging from 15 to 33°C. Development hatch adult stage occurred 15–31.5°C; no larvae completed the second Adult survival decreased wing deformities increased significantly 31.5°C. Optimum within temperature range 21–30°C. Males developed faster than females in all stages 18–30°C, but sexes have a similar lower thermal threshold estimated be near 9°C. The relationship between developmental rate...
Greenbug, Schizaphis graminum (Rondani), is a major insect pest of wheat and sorghum on the southern Great Plains. In this review, we outline greenbug life history biology, describe direct indirect crop injury to sorghum, discuss current management strategies such as biological control, cultural control focusing host plant resistance, monitoring, chemical that can be incorporated into an integrated program.
Winter wheat is Oklahoma's most widely grown crop, and planted during September October, grows from fall through spring, harvested in June. fields are typically interspersed a mosaic of habitats other uses, we hypothesized that the spatial temporal composition configuration landscape elements, which contribute to agroecosystem diversity also influence biological control common aphid pests. The parasitoid Lysiphlebus testaceipes (Cresson; Hymenoptera: Aphidiinae) highly effective at reducing...
Agroecological-oriented areawide pest management leverages the innate ability of agroecosystem to suppress pests, and thus utilize ecosystem services, a key component sustainable agriculture. A growing body knowledge on interactions between pests their natural enemies allows us recognize complexity these that often depend environmental circumstances. Sorghum aphid, Melanaphis sorghi (Theobald) (Hemiptera: Aphididae), is recent but established sorghum in Great Plains North America. Both...