A5030492522- Plant Surface Properties and Treatments
- Insect Resistance and Genetics
- Electrohydrodynamics and Fluid Dynamics
- Remote Sensing in Agriculture
- Insect-Plant Interactions and Control
- Insect and Pesticide Research
- Particle Dynamics in Fluid Flows
- Aerosol Filtration and Electrostatic Precipitation
- Insect and Arachnid Ecology and Behavior
- Seed Germination and Physiology
- Weed Control and Herbicide Applications
- Fluid Dynamics and Heat Transfer
- Meat and Animal Product Quality
- Smart Agriculture and AI
- Research in Cotton Cultivation
- Plant Pathogens and Fungal Diseases
- Marine Bivalve and Aquaculture Studies
- Insect Pest Control Strategies
- Leaf Properties and Growth Measurement
- Remote Sensing and LiDAR Applications
- Plant Disease Management Techniques
- Air Traffic Management and Optimization
- Calcium Carbonate Crystallization and Inhibition
- Plant Water Relations and Carbon Dynamics
- Lattice Boltzmann Simulation Studies
United States Department of Agriculture
2005-2025
Agricultural Research Service
2013-2025
Southern Plains Agricultural Research Center
2012-2025
Royal Free London NHS Foundation Trust
2025
University of Plymouth
2025
Central Washington University
2024
Sun Pharma Advanced Research (India)
2017
GeoExpert (Switzerland)
2015
University of Nebraska–Lincoln
2012
University of Pittsburgh
2009
The phenomenal growth of remotely piloted aerial application systems (RPAASs) in recent years has raised questions about their impact on the off-target movement plant protection products. spray droplet spectrum is one important determining factors that govern trajectories and pesticide particles. A field study was conducted to compare in-swath downwind deposition ground samplers from a 20 L RPAAS platform, equipped with three different nozzles, which provided fine, medium, extra-coarse...
INHALE investigated the impact of seeking pathogens by PCR on antibiotic stewardship and clinical outcomes in hospital-acquired ventilator-associated pneumonia (HAP VAP). This pragmatic multicentre, open-label RCT enrolled adults children with suspected HAP VAP at 14 ICUs. Patients were randomly allocated to standard care, or rapid in-ICU syndromic coupled optional prescribing guidance. Co-primary superiority 24 h non-inferiority cure days post-randomisation. Secondary included mortality,...
The objectives of this study were to characterize the effects operational factors on spray application parameters for remotely piloted aerial systems (RPAAS). height and ground speed pattern uniformity droplet spectra characteristics investigated two RPAAS (DJI model MG-1 HSE V6A) delivery vehicles equipped with original equipment manufacturer (OEM) nozzles. A mixture tap water fluorescent dye was applied at three different heights in conjunction four speeds over center line a cotton string,...
Numerous drift reduction adjuvants and spray deposition aids are available to applicators of crop production protection chemicals. Performance many the newly introduced control has not been well documented for aerial application. Four new were selected studies in applications. Deposition, downwind drift, droplet spectra characteristics a cotton canopy collected on water sensitive paper (WSP) mylar cards measurement analysis. The deposition, size, coverage, total drops highly correlated...
This paper describes the design and evaluation of an airborne multispectral imaging system based on two identical consumer-grade cameras for agricultural remote sensing. The are equipped with a full-frame complementary metal oxide semiconductor (CMOS) sensor 5616 × 3744 pixels. One camera captures normal color images, while other is modified to obtain near-infrared (NIR) images. also GPS receiver allow geotagged A control used trigger both simultaneously. Images stored in 14-bit RAW 8-bit...
Fusarium head blight (FHB) is a major disease of wheat and barley in several small grain production areas inthe United States and, as such, the development evaluation aerial application technologies that enhance efficacyof fungicides with spray applications, one research priorities Wheat Barley ScabInitiative. This was initiated to assess an effort increase deposits on wheatheads. The experiment designed 2 3 factorial treatment arranged randomized complete block threereplications at each...
This study was designed to determine whether a remotely piloted aerial application system (RPAAS) could be used in lieu of backpack sprayer for post-emergence herbicide application. Consequent this objective, spray mixture tap water and fluorescent dye applied on Palmer amaranth ivyleaf morningglory using an RPAAS at 18.7 37.4 L·ha−1 CO2-pressurized 140 rate. Spray efficiency (the proportion collected artificial sampler) the treatments comparable that sprayer. Fluorescent droplet density...
Rapid molecular diagnostic tests improve antimicrobial stewardship (AMS) by facilitating earlier refinement of therapy. The INHALE trial tested the application BioFire FilmArray Pneumonia Panel (Pneumonia Panel) for antibiotic prescribing hospital-acquired and ventilator-associated pneumonias (HAP/VAP) in UK intensive care units (ICUs). We report a behavioral study embedded within examining clinicians' perceptions using these tests. Semi-structured interviews were conducted with 20 ICU...
Weeds remain one of the major limiting factors affecting agricultural production, causin significant yield loss globally. Spot spraying resistant weeds as an alternative to broadcast applications provides delivery chemicals closer plant canopy. Also, wind speed can cause spray displacement and lead inefficient coverage environmental contamination. To mitigate this issue, study sought evaluate drop nozzles configured direct target. A remotely piloted aerial application system was retrofitted...
Regulatory bodies worldwide are currently developing modeling frameworks to simulate pesticide drift following applications from remotely piloted aerial application systems (RPAAS). Unfortunately, there no validated mechanistic models that off-target droplet movement these systems. To respond this gap, we evaluated AGDISPpro, an established Lagrangian-based and deposition model by fixed rotary wing aircraft. Specifically, two of the nine RPAAS available in i.e., PV22 quadcopter PV35X...
Abstract Site-specific herbicide applications with remotely piloted aerial application systems (RPAASs) offer the potential for reducing inputs in turfgrass systems. However, information on spray nozzle selection and volume this approach is lacking. The objective of study was to evaluate effects type efficacy site-specific turf using an RPAAS, focusing large crabgrass control quinclorac. research conducted 2022 at two College Station, TX sites. treatments were combinations three types [XR...
Highlights Efficacy of electrostatically charged spray applications depends upon charge-to-mass ratio. Chargeability for electrostatic nozzles, TXVS-2, and TXVK-3, 4, 6 increased as airspeed increased. Droplet size with nozzle orifice decreased pressure. was lower nozzles higher flowrate. An Excel-based model provides droplet ratio data aerial applicators. ABSTRACT. Optimizing sprays pest control products on field crops by fixed-wing aircraft is required to incur beneficial advantages such...
Abstract Local adaptation may facilitate range expansion during invasions, but the mechanisms promoting destructive invasions remain unclear. Cheatgrass ( Bromus tectorum ), native to Eurasia and Africa, has invaded globally, with particularly severe impacts in western North America. We sequenced 307 genotypes conducted controlled experiments. found that diverse lineages America, where long-distance gene flow is common. Ancestry phenotypic clines predicted those range, indicating pre-adapted...
The feral or volunteer cotton (VC) plants when reach the pinhead squaring phase (5–6 leaf stage) can act as hosts for boll weevil (Anthonomus grandis L.) pests. Texas Boll Weevil Eradication Program (TBWEP) employs people to locate and eliminate VC growing by side of roads fields with rotation crops but ones in middle remain undetected. In this paper, we demonstrate application computer vision (CV) algorithm based on You Only Look Once version 5 (YOLOv5) detecting corn at three different...
The atomization characteristics of 4 handheld sprayers (Leco P-1, Colt ULV Aerosol Generator, ULVAFAN MK2, Turbair ElectraFan 12) and a Stihl SR400 backpack sprayer were evaluated with the use water- oil-based solutions. effects on droplet-size spectrum (i.e., droplet size) for 3 insecticides (Tempo SC Ultra®, Anvil 10 10®, Aqua-Reslin®) also evaluated. Generic solutions used to simulate physical properties active-ingredient in some tests. Significant differences observed generated by...
Off-target drift from aerial pesticide applications in croplands can be a major source of exposure to pollinators. Pesticide adjuvants (PAs) are added pesticides but as toxic pesticides’ active ingredients. Ongoing experiments have identified sodium alginate (SA) drift-reducing PA less honeybees. Hence, SA and fenugreek polymer (FP) been tested PAs for using the Remotely Piloted Aerial Application System (RPAAS). Two spray were carried out field: (i) water only (W) (ii) adjuvant (WA)....
Remote sensing is being used with Global Positioning Systems, Geographic Information and variable rate technology to ultimately help farmers maximize the economic environmental benefits of crop pest management through precision agriculture. Airborne remote flexible versatile because fields can be flown at altitude depending on spatial resolution required. Although use airborne hyperspectral in agricultural research applications has been steadily increasing last decade, multispectral...
Abstract Spray droplet size has long been recognized as the most important variable that aerial applicators can influence to mitigate spray drift from application site. There are several different technologies used by researchers measure nozzles. The objective of these studies was determine eight adjuvants on spectrum produced two nozzles in a high-speed wind tunnel when characterized using three measurement systems. adjuvant, nozzles, and airspeeds commonly applicators. Three sizing systems...
The control of medically important arthropod vectors human and animal disease is a high priority for both public health military officials. Because droplet size pesticide spray material critical factor affecting vector applications, the droplet-size spectra produced by 11 sprayers 3 formulations were evaluated. Droplet-size measured laser diffraction instrument, hot-wire system, rotating slides. There considerable differences in different tested. volume median diameter (DV0.5) water-based...
Abstract: Handheld optical sensors recently have been introduced to the agricultural market. These handheld are able provide operators with Normalized Difference Vegetative Index (NDVI) data when cloud cover prevents acquisition of satellite or aerial images. This research addressed sensitivity GreenSeeker sensor changes in orientation and height above a ryegrass canopy. Planter boxes were oriented both parallel perpendicular light beam from head heights 30.5 cm (12
Because of the unique characteristics electrostatically-charged sprays, use traditional methods has failed to accurately quantify deposition from these sprays. A new fluorescent imaging technique was developed that quantifies spray deposits sprays on natural plant leaves. Results indicate this can successfully detect and enumerate individual droplets underside beet Further, reveals spatial distribution droplets. Researchers will be able a multitude artificial samplers.
Summary A review of oyster shucking technologies from the nineteenth century to present day is presented, comparing advantages and disadvantages various mechanical, thermal, pressure other technologies.