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Curculionidae; Dendroctonus frontalis; Dendroctonus terebrans; Pinus; Thanasimus dubius; adjuvants; aggregation behavior; aggregation pheromones; alpha-pinene; beta-pinene; climate change; dose response; entomology; odors; pheromone traps; turpentine; Central America; Northeastern United States; Southeastern United States
Abstract:
... The southern pine beetle, Dendroctonus frontalis Zimmermann (Coleoptera: Curculionidae: Scolytinae), is a major pine tree killer in North and Central America. In the southeastern USA, responses by D. frontalis to its aggregation pheromone can be substantially increased by at least three host odours: the monoterpenes alpha‐ and beta‐pinene, and the phenylpropanoid 4‐allylanisole. We executed three ...
Internet; ecoregions; environmental protection; geographical distribution; models; remote sensing; research; surface water; Southeastern United States; Western United States
Abstract:
... Satellite imagery is commonly used to map surface water extents over time, but many approaches yield discontinuous records resulting from cloud obstruction or image archive gaps. We applied the Dynamic Surface Water Extent (DSWE) model to downscaled (250‐m) daily Moderate Resolution Imaging Spectroradiometer (MODIS) data in Google Earth Engine to generate monthly surface water maps for the conterm ...
basins; corn; crop yield; drought; evapotranspiration; irrigation rates; irrigation water; simulation models; socioeconomics; soil water; soybeans; water requirement; watersheds; Southeastern United States
Abstract:
... Irrigation is one of the major adaptation strategies to combat the negative impacts of drought on crop yields. However, during droughts, the water resources are limited and determining the exact irrigation amount and its response to crop yields are crucial. Existing crop yield simulation models are data-intensive and a majority of these are point-based. Therefore, this study presents a novel integ ...
Glycine max; agronomy; cultivars; grain yield; models; soybeans; weather; Southeastern United States
Abstract:
... Soybean (Glycine max [L.] Merr.) is a major crop cultivated in the United States, and it is well adapted to different latitudes and weather conditions. However, grain yield variability of rainfed soybean across early and late sowing dates and among maturity groups (MGs) has not been well evaluated in the southeastern United States. This study uses crop variety trials and soil reports to calibrate ...
Ixodes scapularis; Rhipicephalus microplus; babesiosis; cattle; cattle industry; euthanasia; fever; hemolytic anemia; jaundice; new species; pathogenesis; quarantine; splenomegaly; theileriosis; ticks; Canada; Mexico; Southeastern United States
Abstract:
... Babesia and Theileria are apicomplexan parasites that cause established and emerging diseases in humans, domestic and wild animals. These protozoans are transmitted by Ixodid ticks causing babesiosis or theileriosis, both characterized by fever, hemolytic anemia, jaundice, and splenomegaly. In North America (NA), the most common species affecting humans is B. microti, which is distributed in the N ...
caregivers; child care; childhood obesity; locomotion; motor development; regression analysis; waist; Southeastern United States
Abstract:
... Background: To describe objectively measured physical activity (PA) in infants, and to identify demographic, behavioral, and environmental factors associated with infants’ PA. Methods: Participants were 6–7-month-old infants and their mothers (N = 143 dyads) from two Southeastern US counties. Infant measures included PA assessed by accelerometers at ankle and waist sites, motor developmental statu ...
consumer demand; cultivars; disease control; epidemiology; fruits; fungi; fungicide resistance; fungicides; peaches; resistance management; risk; Southeastern United States
Abstract:
... Due to weather conditions during the growing season that are often conducive for infection, peach crop disease management is an important aspect for the production of high-quality fruit in the southeastern United States. Fungicide and bactericide applications and resistance management strategies are important components of the integrated approach applied to manage fungal and bacterial diseases. A ...
Lavanya Vasudevan; Rebecca Bruening; Anna Hung; Sandra Woolson; Adrian Brown; Susan N. Hastings; Tammy Linton; Genevieve Embree; Christopher J. Hostler; Elizabeth Mahanna; Nwora Lance Okeke; Hayden Bosworth; Nina R. Sperber
COVID-19 infection; cross-sectional studies; decision making; health services; surveys; vaccination; vaccines; Southeastern United States
Abstract:
... Achieving high COVID-19 vaccination rates among employees is necessary to prevent outbreaks in health care settings. The goal of the study was to produce actionable and timely evidence about factors underlying the intention and decisions to obtain the COVID-19 vaccine by employees. The study was conducted from December 2020 – May 2021 with employees from a VA health care system in Southeastern US. ...
Festuca arundinacea; Trifolium repens; coastal plains; crude protein; frost; nutritive value; piedmont; planting; rain; Southeastern United States
Abstract:
... Frost seeding is a low‐cost effective strategy to introduce legumes into existing perennial pastures; however, it has been deemed unreliable in the upper southeast USA. We evaluated frost seeding planting rate effects of clover (Trifolium spp.) during the year of establishment on productivity and nutritive value of clover‐tall fescue [Festuca arundinacea (Schreb.) Darbysh.] pastures. Ball (T. nigr ...
educational status; geographic information systems; geography; income; issues and policy; population density; regression analysis; risk; Southeastern United States
Abstract:
... Few empirical studies have examined environmental equity (EE) within the context of flooding in the United States (US). This paper explores whether lower-income, minority, and vulnerable communities in cities are disproportionately impacted by flooding, as evidenced by Federal Emergency Management Agency (FEMA) designated flood zones. Tampa and Houston, both coastal cities in the US, were investig ...
Bemisia tabaci; cyantraniliprole; greenhouse experimentation; insects; live mulches; plastic film mulches; plastics; profitability; reflective mulches; row covers; squashes; viruses; Southeastern United States
Abstract:
... The sweetpotato whitefly, Bemisia tabaci MEAM1 Gennadius (Hemiptera: Aleyrodidae), and the complex of viruses it transmits are major limiting factors to squash production in the southeastern U.S. At this time, insecticides are extensively relied upon for the management of whiteflies and indirectly whitefly-transmitted viruses. The development of a multi-faceted integrated pest management (IPM) pro ...
Mercenaria mercenaria; apoptosis; aquaculture; biotechnology; body weight changes; die-off; heat; heat stress; oxidative stress; protein degradation; summer; survival rate; transcriptome; transcriptomics; weight loss; Southeastern United States
Abstract:
... The northern quahog (Mercenaria mercenaria) supports lucrative aquaculture industries in the USA. In the southeastern USA, aquacultured M. mercenaria faces increasing risks of summer die-offs from prolonged heat waves. We used a comparative transcriptomic approach to investigate the molecular responses of M. mercenaria and its southern congener, Mercenaria campechiensis, to controlled incremental ...
algorithms; citizen participation; climate change; databases; eutrophication; green infrastructure; land use; particulates; regression analysis; research; stormwater; surface water; toxicity; watersheds; weather; wet season; Southeastern United States
Abstract:
... Watersheds continue to be urbanized across different regions of the United States, increasing the number of impaired waterbodies due to urban stormwater. Using machine learning techniques, this study examined how stormwater quality and watershed characteristics are related at a national scale and compared stormwater quality across watersheds in diverse climates. We analyzed a selection of data fro ...
hardwood; highlands; models; prediction; sample size; tree and stand measurements; Southeastern United States
Abstract:
... Clustering data into similar characteristic groups is a commonly-used strategy in model development. However, the impact of data grouping strategies on modeling stem taper has not been well quantified. The objective of this study was to compare the prediction accuracy of different data grouping strategies. Specifically, a population-level model was compared to the models fitted with grouped data b ...
biogeography; biomass; energy; herbivores; migratory behavior; primary productivity; remote sensing; seasonal variation; species richness; spring; summer; vegetation; waterfowl; winter; Southeastern United States
Abstract:
... AIM: Animal migration is often explained as the result of resource tracking in seasonally dynamic environments. Therefore, resource availability should influence both the distributions of migratory animals and their seasonal abundance. We examined the relationship between primary productivity and the spatio‐temporal distributions of migratory birds to assess the role of energy availability in avia ...
... Row crops normally grown in Southeast USA are cotton (Gossypium hirsutum L.), corn (Zea mays L.), and peanut (Arachis hypogea L.) with a focus on the higher economic value for peanut. Peanut is typically planted using a twin-row pattern and purchasing a twin-row planter may not be cost effective unless used with other rotational crops. The objectives were to compare corn yield when planted in twin ...
Resham Thapa; Katherine L. Tully; Chris Reberg-Horton; Miguel Cabrera; Brian W. Davis; David Fleisher; Julia Gaskin; Richard Hitchcock; Aurelie Poncet; Harry H. Schomberg; Sarah A. Seehaver; Dennis Timlin; Steven B. Mirsky
... Cover crop (CC) residue decomposition influences the provisioning of agroecosystem services. While several laboratory and field studies have investigated processes and mechanisms of CC residue decomposition at specific point or plot scales, regional assessment of factors controlling decomposition rates (i.e., k-values) in no-till corn (Zea mays L.) systems are currently lacking. Here, we conducted ...
DNA barcoding; anthropogenic stressors; biodiversity; community structure; cost effectiveness; fauna; freshwater; geographical distribution; metagenomics; phylogeny; temperature; thermal pollution; Southeastern United States; Tennessee River
Abstract:
... Meiofauna includes small-sized animals playing fundamental trophic and ecological roles in all aquatic ecosystems. The biodiversity of marine meiofauna has been well investigated, with most results supporting meiobenthic communities as valuable bioindicators of environmental changes. However, research on freshwater meiofauna is rare and scattered. This shortfall is particularly critical in the Sou ...
air temperature; atmospheric pressure; data collection; eddy covariance; friction velocity; landfills; mathematical models; methane; methane production; summer; waste management; wind; winter; Southeastern United States
Abstract:
... Diurnal patterns of methane flux are examined at a landfill in the Southeastern US. Methane fluxes are measured by an eddy covariance (EC) tower during representative one-week periods in three seasons: summer, fall, and winter. Measured methane fluxes are compared with atmospheric pressure, temporal variation of atmospheric pressure, wind shear velocity, and air temperature. Landfill methane flux ...
Katherine A. Inskeep; Meredith M. Doellman; Thomas H. Q. Powell; Stewart H. Berlocher; Nicholas R. Seifert; Glen R. Hood; Gregory J. Ragland; Peter J. Meyers; Jeffrey L. Feder
Rhagoletis mendax; Vaccinium; adaptive radiation; adults; diapause; fruits; gene flow; genetic recombination; genetic variation; genomics; hybridization; life history; phenology; reproductive isolation; sympatry; Southeastern United States
Abstract:
... Divergent adaptation to new ecological opportunities can be an important factor initiating speciation. However, as niches are filled during adaptive radiations, trait divergence driving reproductive isolation between sister taxa may also result in trait convergence with more distantly related taxa, increasing the potential for reticulated gene flow across the radiation. Here, we demonstrate such a ...
Pinus taeda; administrative management; ecosystems; field experimentation; forest management; forests; global carbon budget; models; net primary productivity; Southeastern United States
Abstract:
... Changes in aboveground net primary production (ANPP) are relevant to forest management, ecosystem ecology and carbon budget. It is believed that ANPP reaches a maximum in young forest stands and then gradually declines as stands age. Intensive silvicultural treatments such as competing vegetation control and fertilization have been widely used in pine plantations in the southern US and have shown ...
Cardinalis cardinalis; Spizella; agriculture; birds; environment; fecundity; grasslands; habitat destruction; habitats; landscapes; livestock productivity; population dynamics; species abundance; species richness; warm season; Southeastern United States
Abstract:
... Declines in native warm season grasslands have been linked to grassland bird population decline due to habitat loss including conversion to non-native grasses. Rotational grazing (ROT) and patch-burn grazing (PBG) are two possible tools to restore native warm-season grasses (NWSG) on working-lands in the Mid-South USA and thus aid in the recovery of grassland bird populations. This project compare ...
Pinus palustris; administrative management; biodiversity; forest dynamics; overstory; prescribed burning; second growth; tree mortality; trees; woodlands; Southeastern United States
Abstract:
... Natural disturbance-based silviculture emphasizes harvest methods that emulate the timing and structural changes of natural disturbances. Longleaf pine woodlands are ecologically important ecosystems of the southeastern U.S. that support high biodiversity. Options for multi-aged silviculture include individual tree and group selection methods to promote regeneration—the latter method may be modifi ...
Corymbia torelliana; biochar; carbon; carbon sequestration; genetic improvement; honey; hybrids; medium density fiberboards; seed orchards; seedlings; windbreaks; Southeastern United States
Abstract:
... Eucalyptus amplifolia and Corymbia torelliana genetic improvement has been conducted in the lower southeastern USA by UF and collaborators since 1980. The collective accomplishments in genetic resources and potential commercial uses are summarized. For example, fast-growing, freeze-resilient E. amplifolia seeds are provided by 1st and 2nd generation seedling seed orchards (SSO) and a 2nd generatio ...
agriculture; agroecosystems; animals; bees; environment; habitats; intensive farming; pollen; pollination; pollinators; soybeans; species diversity; Southeastern United States
Abstract:
... Agricultural intensification has significantly altered ecosystem functioning and aided in the reduction of global biodiversity. While agriculture requires increased reliance on animal pollination, pollinator populations have declined. To combat this, adding pollinator habitat into agricultural landscapes is increasingly common, but many questions remain about its functionality and impact on agroec ...
Pinus palustris; administrative management; canopy; drought tolerance; forest ecology; forests; leaf area; leaf area index; leaves; phenology; plant litter; rain; soil water; throughfall; tree growth; Southeastern United States
Abstract:
... Reduced precipitation and, consequently, low soil moisture are known to limit tree growth and function by affecting shoot and foliage development, as well as canopy-scale leaf area dynamics and litterfall. Longleaf pine (Pinus palustris Mill.) is considered one of the most drought-resistant forest species in the southeastern U.S. and could serve as a pathway to increase drought resistance of fores ...
floodplains; macroinvertebrates; rivers; Savannah River; Southeastern United States
Abstract:
... We investigated the relative importance of connectivity to the main river channel and the influence of flooding on macroinvertebrate distributions in oxbow lakes of a southeastern USA river floodplain. Invertebrate assemblages were described in four oxbow lakes located on the Savannah River; two with continuous connection to the main stem river (i.e., high connectivity) and two that were only conn ...
Landsat; altitude; drought; drought tolerance; ecoregions; evapotranspiration; forests; landscape ecology; landscapes; runoff; species diversity; topographic slope; trees; Southeastern United States
Abstract:
... CONTEXT: Key to understanding forest water balances is the role of tree species regulating evapotranspiration (ET), but the synergistic impact of forest species composition, topography, and water availability on ET and how this shapes drought sensitivity across the landscape remains unclear. OBJECTIVES: Our aims were to quantify (1) the effect of forest composition and topography including elevati ...
Pinus taeda; clones; disease incidence; family structure; fusiform rust; genetic improvement; genetic relationships; genome; genomics; genotyping; marker-assisted selection; plant genetics; single nucleotide polymorphism arrays; Southeastern United States
Abstract:
... We investigated the efficiency of genomic selection in a large clonal population (N = 2023) of Pinus taeda L. The study population comprised 58 families that were tested across eight locations in the southern USA. The clones were genotyped with the Pita50K SNP array. Whole-genome regression models were used to obtain genomic estimated breeding values (GEBVs). The predictive ability of SNP markers ...
Gopherus polyphemus; Pinus taeda; administrative management; adults; coastal plains; coniferous forests; ecoregions; forest ecology; forest management; landscapes; radio telemetry; rights of way; tortoises; uncertainty; wildlife habitats
Abstract:
... Private working forest landscapes provide wildlife habitat and understanding how species interact with these landscapes is critical to identifying conservation opportunities. The gopher tortoise (Gopherus polyphemus; hereafter, tortoise) is a species endemic to the Coastal Plain ecoregion of the southeastern United States, with private working pine (Pinus spp.) forests encompassing a substantive p ...
air pollutants; chemistry; human health; inventories; meteorology; model validation; ozone; prediction; simulation models; solar radiation; summer; temperature; vegetation; wind; Southeastern United States
Abstract:
... Being detrimental to human health and vegetation growth, ground-level ozone (O₃) is becoming a huge concern as an air pollutant. The processes of formation, diffusion, transformation, and transport of O₃ in the atmosphere are highly affected by meteorological conditions such as solar radiation, temperature, precipitation, and wind. Chemical transport models (CTMs) are widely used in simulating O₃ ...
Gossypium barbadense; Gossypium hirsutum; agronomic traits; arid lands; canopy; coastal plains; cultivars; early development; economic valuation; genotype; highlands; irrigation; lint cotton; micronaire; Southeastern United States
Abstract:
... Pima (Gossypium barbadense L.) cotton is currently grown commercially in the western United States and has exceptional fiber quality, which provides an economic value almost two times greater than Upland (Gossypium hirsutum L.) cotton. Due to limited experience with Pima production in the southeastern United States, our primary objective was to compare the growth, development, agronomic performanc ...
Bayesian theory; air; air pollutants; cohort studies; elderly; mortality; nitrogen dioxide; ozone; sample size; Southeastern United States
Abstract:
... It is well documented that fine particles matter (PM₂.₅), ozone (O₃), and nitrogen dioxide (NO₂) are associated with a range of adverse health outcomes. However, most epidemiologic studies have focused on understanding their additive effects, despite that individuals are exposed to multiple air pollutants simultaneously that are likely correlated with each other. Therefore, we applied a novel meth ...
Pinus palustris; biomass; climate change; ecosystems; fire suppression; grasses; greenhouses; plant growth; primary productivity; savannas; understory; Southeastern United States
Abstract:
... The longleaf pine (LLP) savanna ecosystem once covered ~ 92 million acres of the Southeast USA, but due to anthropogenic activities such as logging and fire suppression, only 3% of its once widespread historic range remains. While many restoration efforts are underway to conserve this biodiverse ecosystem, restoration must be done in the context of climate change. In the last few decades, heatwave ...
Carya illinoinensis; Torreya grandis; adults; air temperature; autumn; chlorophyll; dormancy; leaves; pecans; phenology; provenance; spring; trees; China; Southeastern United States
Abstract:
... KEY MESSAGE: Autumn phenology and physiology in the subtropical tree species Torreya grandis and in a subtropical provenance of Carya illinoinensis are affected by air temperature rather than photoperiod. Though leaf phenology is a key tree trait affecting several ecological processes in forested ecosystems, its environmental and genetic regulation in subtropical trees is poorly understood. A few ...
Katsutoshi Mizuta; Sabine Grunwald; Allan R. Bacon; Wendell P. Cropper; Michelle A. Phillips; Charles B. Moss; Carlos A. Gonzalez-Benecke; Daniel Markewitz; Christopher M. Clingensmith; Xiong Xiong
ecosystems; environment; net primary productivity; site index; Southeastern United States
Abstract:
... Aboveground net primary productivity (ANPP) of an ecosystem is among the most important metrics of valued ecosystem services. Measuring the efficiency scores of ecological production (ESEP) based on ANPP using relevant variables is valuable for identifying inefficient sites. The efficiency scores computed by the Data Envelopment Analysis (DEA) may be influenced by the number of input variables inc ...
area; bicycling; canoeing; fields; forest types; human health; interviews; kayaking; landscapes; landscaping; mental health; mountains; physical health; researchers; rocks; surveys; yields; Midwestern United States; Southeastern United States
Abstract:
... Forests and similar types of landscapes offer a myriad of outcomes and benefits often associated with participation in outdoor adventure recreation (OAR) activities. Previous research has shown that OAR participants are able to identify, perceive, and accurately report the effects and benefits of their participation. The health benefits of outdoor experiences, both active and more passive, have re ...
climate; etiological agents; field experimentation; herbivores; humans; lactation; lightning; phenology; Southeastern United States
Abstract:
... Trophic mismatches are commonly reported across a wide array of taxa and can have important implications for species participating in the interaction. However, to date, examples of trophic mismatch have centrally focused on those induced by shifts in climate. Here we report on the potential for humans to induce trophic mismatch by shifting the phenology of fire. Globally, anthropogenic fire igniti ...
Amaranthus palmeri; Lolium multiflorum; Sorghum halepense; algorithms; discriminant analysis; glyphosate resistance; reflectance; weeds; Southeastern United States
Abstract:
... BACKGROUND: Johnsongrass (Sorghum halepense) is one of the weeds that evolves resistance to glyphosate [N‐(phosphonomethyl)‐glycine], the most widely used herbicide, and the weed may cause agronomic troublesome in the southern USA. This paper reports a study on developing a hyperspectral plant sensing approach to explore the spectral features of glyphosate‐resistant (GR) and glyphosate‐sensitive ( ...
Diplodia seriata; Vaccinium corymbosum; Vaccinium virgatum; blueberries; conidia; cultivars; durability; fungi; internal transcribed spacers; mycology; pathogens; peptide elongation factors; phylogeny; species diversity; statistical analysis; stem blight; Southeastern United States
Abstract:
... Stem blight is a major disease of blueberry caused by Botryosphaeriaceae fungi. Chemical and cultural management options are limited, putting emphasis on breeding efforts to identify sources of resistance. The efficacy and durability of host resistance could be impacted by the species composition of the pathogen population in a region and by the isolates employed in the screenings used to identify ...
air quality; climate; environment; meteorology; ozone; photochemical reactions; prediction; satellites; solar radiation; summer; volatile organic compounds; weather forecasting; weather research and forecasting model; California; Southeastern United States
Abstract:
... Clouds play an important role in the Earth's climate system since they can affect various physical and chemical processes within the atmosphere. Misplacement of clouds is a major source of error in the numerical weather prediction (NWP) models, and it also impacts the accuracy of air quality simulations since the meteorology and air quality are directly coupled. In this study, a cloud assimilation ...
Pinus elliottii; Pinus taeda; Soil and Water Assessment Tool model; biomass production; evapotranspiration; expert opinion; forest dynamics; forest growth; groundwater; hydrologic cycle; leaf area index; remote sensing; soil; transpiration; tree growth; troposphere; water yield; watersheds; Southeastern United States
Abstract:
... Forests play a critical role in the hydrologic cycle, impacting the surface and groundwater dynamics of watersheds through transpiration, interception, shading, and modification of the atmospheric boundary layer. It is therefore critical that forest dynamics are adequately represented in watershed models, such as the widely applied Soil and Water Assessment Tool (SWAT). SWAT’s default parameteriza ...
2,4-DB; Senna obtusifolia; agronomy; biomass; canopy; humidity; peanuts; pendimethalin; planting date; rain; weeds; Southeastern United States
Abstract:
... Sicklepod [Senna obtusifolia (L.)] is one of the most problematic weed species for peanut production in the southeastern USA. A two‐year study was conducted to evaluate the influence of peanut planting date and row spacing on sicklepod growth. Planting date was the main plot factor with early (early May), mid‐ (mid‐May), or late (early June) timings. Row spacing was the subplot factor with single ...
agricultural development; econometric models; local food systems; social networks; sustainable agriculture; Southeastern United States
Abstract:
... For farmers to adopt and maintain sustainable farming practices, they must have the resources and network to succeed with this work and must realize a positive impact on their business model. As a food system is ultimately made up of the people, organizations, and institutions that grow, move, buy and sell food, we must understand who is at the center of this network, who is well-connected, and wh ...
John W. Mahas; Fredericka B. Hamilton; Phillip M. Roberts; Charles H. Ray; Gary L. Miller; Murray Sharman; Kassie Conner; Sudeep Bag; Eugene K. Blythe; Michael D. Toews; Alana L. Jacobson
Aphis gossypii; Cotton leafroll dwarf virus; cotton; dominant species; insecticides; plant protection; population density; population dynamics; research management; viruses; Southeastern United States
Abstract:
... This is the first study to research management strategies for cotton leafroll dwarf virus (CLRDV) in the southeastern U.S. The efficacy of aphid vector management to reduce final CLRDV incidence was investigated concurrent with efforts to monitor aphid population dynamics and timing of CLRDV spread. Adjusting the planting date and insecticide applications did not reduce the final incidence of CLRD ...
biomass; climate; dry environmental conditions; evapotranspiration; forest management; hydrogeology; landscapes; leaf area index; prediction; rain; research; soil water; water supply; water yield; Southeastern United States
Abstract:
... Forest management can play an important role in landscape‐scale water balances and thus regional water supply planning, necessitating improved quantification and prediction of forest water yield (i.e., rainfall minus evapotranspiration (ET)). We used high frequency soil moisture data to quantify soil ET and interception in 30 pine stands capturing regional variation in aridity, hydrogeology, and f ...
environmental management; forestry; forests; water quality; Southeastern United States
Abstract:
... Numerous studies have concluded that forestry Best Management Practices (BMPs) are effective at mitigating erosion and sedimentation caused by forest operations; however, the complex relationship between forestry BMPs and erosion is largely unexamined. In this study, BMP implementation rates, which are percentages ranging from 0 to 100% that indicates how well an operator instituted recommended pr ...
Gopherus polyphemus; air; gophers; head; males; secretion; threatened species; Southeastern United States
Abstract:
... In complex terrestrial environments, chemical signals can be the most important sensory modality for locating conspecifics for potential mating opportunities, especially in spatially segregated populations or habitats. Organisms must evolve chemical signals to maximize the efficacy of conveying information, particularly in creating trails or mate-choice cues. Long-distance transmission of chemical ...
Travis R. Faske; Yuba Kandel; Tom W. Allen; Zane J. Grabau; Jiahuai Hu; Robert C. Kemerait; Gary W. Lawrence; Kathy S. Lawrence; Hillary L. Mehl; Charles Overstreet; Lindsey D. Thiessen; Terry Wheeler
Meloidogyne incognita; Rotylenchulus reniformis; aldicarb; cultivars; fluopyram; furrows; meta-analysis; nematicides; root diseases; seed cotton; thiodicarb; Southeastern United States
Abstract:
... Meta-analysis was used to compare yield protection and nematode suppression provided by two seed-applied and two soil-applied nematicides against Meloidogyne incognita and Rotylenchulus reniformis on cotton across 3 years and several trial locations in the U.S. Cotton Belt. Nematicides consisted of thiodicarb- and fluopyram-treated seed, aldicarb and fluopyram applied in furrow, and combinations o ...
Dirofilaria immitis; disease prevention; heartworms; moxidectin; Southeastern United States
Abstract:
... Heartworm (Dirofilaria immitis) disease continues to increase and spread, remaining one of the most important and pathogenic parasitic diseases of dogs, despite the regular use of macrocyclic lactones (MLs) in preventive products. Dogs harboring strains of D. immitis resistant to MLs, the only drug class available for heartworm prevention in the United States, have been documented and proven. As n ...