A5040402831- Turfgrass Adaptation and Management
- Ruminant Nutrition and Digestive Physiology
- Rangeland and Wildlife Management
- Plant and fungal interactions
- Agricultural Productivity and Crop Improvement
- Bioenergy crop production and management
- Pasture and Agricultural Systems
- Agroforestry and silvopastoral systems
- Agronomic Practices and Intercropping Systems
- Archaeology and Natural History
- Horticultural and Viticultural Research
- Genetics and Plant Breeding
- Biological Control of Invasive Species
- Neurological disorders and treatments
- Seedling growth and survival studies
- Composting and Vermicomposting Techniques
- Agriculture Sustainability and Environmental Impact
- Plant Taxonomy and Phylogenetics
- Hemiptera Insect Studies
- Parkinson's Disease Mechanisms and Treatments
- Wheat and Barley Genetics and Pathology
- Soil Management and Crop Yield
- Effects of Environmental Stressors on Livestock
- Weed Control and Herbicide Applications
- Plant Water Relations and Carbon Dynamics
University of Georgia
2015-2024
Tift County School District
2023
University of Florida
2011-2022
U.S. Dairy Forage Research Center
2022
Texas Tech University
2017
Abstract The bermudagrass stem maggot (BSM; Atherigona reversura Villeneuve) continues to damage [ Cynodon dactlyon (L.) Pers.] pastures and hayfields throughout the southeastern United States each season. This management guide describes how identify forage as a larva, pupa, fly. Strategically timed pyrethroid applications reduce adult BSM populations yield loss, but ongoing efforts are focused on developing integrated pest plans that include cultural, physical, biological suppression...
Abstract Bermudagrass ( Cynodon dactylon (L.) Pers.) is one of the primary perennial forages in southeastern USA. Newer hybrid cultivars have superior production and nutritive value compared to common ecotypes. However, there are many challenges facing bermudagrass region. First, stem maggot (BSM; Atherigona reversura Villeneuve) has severely damaged throughout Strategically timed pyrethroid applications significantly reduce adult BSM populations, but efforts needed develop integrated pest...
Abstract Interseeding alfalfa ( Medicago sativa L.) into bermudagrass [ Cynodon dactylon (L.) Pers.] can be an effective way to improve forage quality and reduce the need for additional supplementation when fed livestock. The objective of this research was compare nutritive value mass with without interseeded harvested as baleage. On 19 Feb. 2016, 0.2‐ha plots were assigned in a randomized complete block design either ‘Tifton 85’ (T85) or T85 ‘Bulldog 805’ (T85+Alf) established field Tifton...
The imminent decline of the Ogallala Aquifer is encouraging producers in Southern High Plains (SHP) to seek innovative alternatives safeguard against dramatic losses income when pumping capacity insufficient for irrigated crops. Previous research demonstrated success perennial forage grasses this region, but crude protein (CP) was limiting factor improving performance grazing beef ( Bos taurus L.) steers. Possible solutions include integrating legumes into existing warm‐season grass pastures...
Core Ideas Temperature significantly affects the time and rate of clover ( Trifolium spp.) germination. Germination vigor were evaluated from −1.0 to 48.0°C at approximately 1.0°C increments. Tested cultivars maintained 80% + germination 4.9 28.2°C, on average. range for was much wider than reported in previous literature. Data will be useful updating planting recommendations producers US Southeast. There are many reports failed establishments each year. is one primary factors affecting seed...
Abstract Georgia, located in the Southeastern USA, has been historically dominated by two perennial forage grass production systems. Tall fescue ( Lolium arundinaceum [Schreb.] S.J. Darbyshire) is more prevalent northern parts of state, while bermudagrass [ Cynodon dactylon (L.) Pers.] ubiquitous to southern portion. Climatologists have documented notable changes temperature and precipitation patterns state that contributed an invasion warm‐season species portion state. In transition zones...
Abstract Warm‐season perennial grasses are the backbone of pasture‐based livestock industry in lower southeastern United States, and bermudagrass ( Cynodon spp.) is most widely planted forage species, covering ∼15 million ha. The genus native to southern Africa, germplasm collections possess high genetic phenotypic variability. USDA National Plant Germplasm System maintains a collection plant introductions (PIs) Griffin, GA, USDA‐ARS, Tifton, additional germplasm. Multi‐location trials were...
Abstract Novel management strategies for controlling smutgrass have potential to influence sward dynamics in bahiagrass forage systems. This experiment evaluated population shifts following implementation of integrated herbicide and fertilizer plans smutgrass. Herbicide treatments included indaziflam applied preemergence (PRE), hexazinone postemergence (POST), a combination PRE + POST herbicides, nonsprayed control. Fertilizer nitrogen (N), potassium (N+K), an unfertilized The reduced...
Information on the water footprint of pasture‐based beef production is useful for optimizing allocation groundwater to crop and livestock production. The objective this research was determine effect including legumes three footprints grass‐based, stocker grazing systems with respect observed total (observed plus predicted from hay production) liveweight gain (LWG). Water inputs calculations included or effective rainfall, corrected drip irrigation, directly consumed by steers. When rainfall...
Core Ideas To compare five nondestructive sampling techniques for predicting forage mass. Procedures: pasture ruler, rising plate meter, ImageJ, PowerPoint photo point count, and normalized difference vegetation index. model was the best option if restricted to one procedure. Combined (Height + ImageJ) These measurements require simple equipment, are adaptable, can be automated. Producers rely on subjective visual assessments estimate mass in their pastures, which often inaccurate lead poor...
Abstract Potassium fertilization and harvest timing both influence the stand life performance of alfalfa ( Medicago sativa L.), but many producers do not apply sufficient K fertilizer as recommended by soil test recommendations. The objective this trial was to determine impact reduced rates on cultivar Bulldog 805 managed under different regimes forage yield, persistence, nutritive value when grown in southern Coastal Plains. Plots were harvested at bud, 10, 30, 50% bloom growth stages....
ABSTRACT Information regarding the susceptibility of currently grown bermudagrass [ Cynodon dactylon (L.) Pers.] cultivars to stem maggot (BSM; Atherigona reversura ) could aid forage producers with implementation integrated pest management (IPM) strategies manage this exotic pest. The objectives research were compare severity damage among selected and quantify phenotypic variation in cultivar response BSM cultivars. Eight used study. Flies collected from infested fields introduced six times...
Bermudagrass ( Cynodon spp.) is the foundation of turfgrass industry in most tropical and warm-temperate regions. Development bermudagrass as a began early 1900s. Many cultivars commercially available today have been cooperatively released by U.S. Department Agriculture Agricultural Research Service (USDA-ARS) University Georgia at Coastal Plain Experiment Station Tifton, GA.
Since its 2010 discovery in southern Georgia, the bermudagrass stem maggot (BSM, Atherigona reversura Villenueve) has spread throughout southeastern United States, damaging [ Cynodon dactylon (L.) Pers.] hayfields and pastures. The objective of this research was to quantify damage potential BSM terms forage accumulation, nutritive value, economic returns from five varieties grown Tifton, GA. significantly reduced accumulated only late July September each year study. This would generally...
The imminent depletion of the Ogallala Aquifer demands innovative cropping alternatives. Even though benefits cover crops are well recognized, adoption has been slow in Southern High Plains (SHP) United States because concerns that withdraw soil water to detriment summer crops. This small plot experiment tested interacting effects—production, crops, and subsequent teff [Eragrostis tef (Zucc.) Trotter] hay crops—of irrigation tillage management with five crop types identify low-risk practices...
Abstract Characterizing phenotypic variation in germplasm collections is crucial for plant breeding. Cynodon spp. accessions maintained at the USDA National Plant Germplasm System (NPGS), and core forage collection were screened a replicated trial under two nitrogen rates (0 150 kg ha −1 per harvest) Ardmore, OK. The goals this study to: (a) estimate genetic parameters accumulation (FA) nutritive value (NV), (b) genotype × harvest ( r gh ) environment ge interaction all traits, (c) quantify...
Abstract Background Bermudagrass ( Cynodon spp.) is one of the most common perennial warm‐season forages grown in Southeastern United States. The incorporation alfalfa Medicago sativa ) into bermudagrass pastures could serve as an alternative source nitrogen (N) while also improving nutritive value forage base. Methods A 2‐year grazing evaluation arranged a randomized complete block design was conducted from May to September 2018 (Year 1) and May–August 2019 2) Tifton, GA, USA. objective...
Core Ideas Procedures were more successful when forage species distinct hues of green. Overall, predictive accuracy PowerPoint model was best in Old World bluestem–legume pasture. Only the visual showed potential tall wheatgrass–alfalfa To better manage productivity and quality, it is important to accurately objectively monitor legume content grass‐legume pastures. Current nondestructive methods are too subjective or labor intensive. Recent research has led developments digital image...
Depletion of the Ogallala aquifer in U.S. Great Plains demands information on water usage forage-fed beef production. We compared a summer grazing system for steers consisting warm-season grasses vs. growing with lucerne (Medicago sativa L.). The footprint averaged 39 and 26 m3 kg−1 liveweight gain, respectively, when included rainfall, irrigation, livestock drinking. Including reduced weight gain thanks to its ability alleviate protein deficiency associated grasses, thus diminishing an...