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... Plant communities change during the process of converting bermudagrass (Cynodon dactylon [L.] Pers.) pasture monocultures to diverse native grasslands. Our hypothesis was that suppression of bermudagrass and grazing of seeded post-native grassland affected composition of arthropod communities in small plots. Our objectives were to use sweep nets and pitfall traps to collect insects and study their ...
... Irrigation of farmlands in xeric areas can increase soil salinity, reducing their suitability for food and fiber crops. One way to repurpose these lands is to convert them for use in grazing. To choose the best forage species, it is important to understand the impact of soil salinity on the growth and nutritional quality of potential forage grasses. Here, we grew four perennial C₄ grasses: blue gr ...
... Turfgrass establishment on the Texas High Plains is often compromised by wind desiccation, high temperatures, and reduced water inputs. Application of cotton gin trash at seeding may help increase germination through buffering and insulation. Therefore, field experiments were conducted to examine weed pressure and establishment of ‘Sahara’ common bermudagrass [Cynodon dactylon (L.) Pers.] and ‘Bow ...
Cynodon dactylon; Paspalum notatum; climate; cross contamination; digestibility; horses; veterinary medicine; warm season; warm season grasses; New York; Texas
Abstract:
... ADF and NDF reduce nutrient digestibility in horses, however the effects of climate, time of day, and fertilization on these fibers have not been adequately studied in our region of east Texas. Therefore, the focus of this research was to analyze the NDF and ADF content of 3 varieties of warm season grasses: Jiggs Bermudagrass [Cynodon dactylon (L.)], Tifton 85 Bermudagrass [Tifton 68 bermudagrass ...
... Use of monensin during the stocker phase of production has been suggested as a possible cause of reduced response to monensin during finishing. Experiments were conducted to determine the carryover effects of monensin supplementation during the stocker phase and effects of feeding monensin during the finishing phase on performance and efficiency of beef steers.Steers were fed hay or grazed cool-se ...
... South Texas is home to a high diversity of species due to its location at the confluence of subtropical, desert, and coastal ecoregions. Historical overgrazing of South Texas rangelands transformed the savanna and prairie to a landscape dominated by woody plants and shrubs interspersed with low seral grass species and bare ground. During the first half of the 20th century, exotic grass species, co ...
... Cover crops over-sown into established perennial bermudagrass (Cynodon dactylon) pastures has been effective in improving forage productivity and net farm profitability in wetter grasslands in US. To assess if the use of cover crops can do so in the relatively dry regions of Southern Great Plains of Texas, we evaluated what positive and negative impacts accrue from sowing winter growing mixed spec ...
... The bermudagrass stem maggot, Atherigona reversura Villeneuve (Diptera: Muscidae), was first reported damaging bermudagrass Cynodon dactylon (L.) Pers grown for forage in 2010 in the southeastern United States. Injury results from individual larvae feeding internally on the vascular tissue just above the terminal node of the grass stem. Injury slows plant growth and reduces forage accumulation. To ...
... Growth of young cattle on forages and pastures has a major effect on the profitability of the stocker cattle industry. The objectives of this study were to estimate heritability of performance traits and additive genetic correlations of pairs of traits in Brahman and Brahman-influenced (0.25 or 0.5 Brahman) stocker cattle on rye (Secale cereale) + ryegrass (Lolium multiflorum) (RRG; n = 2,031) or ...
Cynodon dactylon; Lolium multiflorum; Trifolium; acceptable risk; annuals; beef cattle; beef industry; beef production; cold season; cow-calf operations; cultivars; economies of scale; fertilizer application; grasses; grazing; land use; land values; nitrogen fertilizers; nutrient availability; nutrient management; nutritive value; ownership; pasture management; perennials; production technology; small cereal grains; soil nutrients; soil types; stakeholders; stocking rate; warm season; Southeastern United States; Texas
Abstract:
... Sustainability of cow-calf production in the United States has received increased attention during the past few years. The ever-increasing land values and ownership scenarios, redirected agricultural production objectives, and financial requirements for new ownership affects land use, livestock enterprises, and sustainability of the beef industry. Bermudagrass [Cynodon dactylon (L.) Pers.] is the ...
... CORE IDEAS: Coastal bermudagrass biomass was curvilinearly related with clipping interval. Clipping intervals shorter than 4 wk could not be beneficial to the grass growers. Nitrate leaching was more and biomass was less on a higher runoff‐potential soil. El Niño was associated with high nitrate leaching and the low biomass yield. Coastal bermudagrass [Cynodon dactylon (L.) Pers.] is the basis for ...
Cynodon dactylon; Geomys; U.S. Fish and Wildlife Service; confidence interval; geographic information systems; gophers; habitat destruction; habitat preferences; plant communities; plant litter; sandy soils; surveys; vegetation; Texas
Abstract:
... Geomys personatus maritimus (Maritime Pocket Gopher) is a genetically distinct subspecies that only occurs in deep sandy soils of Nueces and Kleberg counties of southern Texas. The US Fish and Wildlife Service has considered recommending the Maritime Pocket Gopher for federal listing. Because a large proportion of this gopher's current range occurs on US Navy (hereafter, Navy) property, active man ...
... To provide animals with high quality forage, practical methods are needed to estimate nutritive value to optimize harvest timing. The objective of this study was to develop such models to estimate warm-season forage nutritive value in the southeastern United States. The experiment was conducted at the University of Tennessee Plateau AgResearch and Education Center in Crossville, TN, from 2013 to 2 ...
Cynodon dactylon; alfalfa; analysis of variance; groundwater contamination; hay; land application; leaching; models; municipal wastewater; nitrogen; prediction; risk; soil types; variance; wheat; winter; Texas
Abstract:
... An accurate nitrogen mass balance is necessary when designing a municipal wastewater land application system in order to reduce the potential for nitrogen contamination of groundwater. Limited information on soil total Kjehldahl nitrogen (TKN) is available to estimate the TKN variance in the soil that can be used for calculating the nitrogen mass balance. This study investigated the soil TKN tempo ...
Cynodon dactylon; EDTA (chelating agent); Stenotaphrum secundatum; Trichodorus; Zoysia japonica; body size; females; genetic databases; glycerol; golf courses; lawns and turf; males; necrosis; pH; parthenogenesis; pathogenicity; pathogens; plant parasitic nematodes; population density; ribosomal DNA; sandy soils; soil sampling; tail; turf grasses; vagina; vulva; Florida; Iowa; Kansas; Michigan; New York; North Carolina; South Carolina; South Dakota; Texas; Virginia
Abstract:
... In May 2014, 11 sandy soil samples were collected at a depth of about 5 to 15 cm from a golf course community in Wilmington, NC, composed of Bermudagrass (Cynodon dactylon) from the fairway, St. Augustinegrass (Stenotaphrum secundatum) from the lawn, and Zoysiagrass (Zoysia japonica) from the tee, all of which showed spotted yellowing and necrosis. Plant-parasitic nematodes were extracted from soi ...
... The objective of this study was to evaluate soil nutrient loading and depth distributions of extractable nitrogen (N), phosphorus (P), and potassium (K) after long-term, continuous annual surface applications of anaerobically digested class B biosolids at a municipal recycling facility in central Texas. Commercial forage production fields of coastal bermudagrass (Cynodon dactylon L.) were surface ...
Cynodon dactylon; application rate; dimethenamid; dithiopyr; field experimentation; herbicide application; oryzalin; oxadiazon; pendimethalin; preemergent weed control; prodiamine; spring dead spot; turf grasses; Texas
Abstract:
... Field experiments were conducted in Texas to examine the recovery of a bermudagrass [ × (L.) Pers.] fairway from spring dead spot (SDS) disease following preemergence (PRE) herbicide applications. In 2011 and 2012 bermudagrass recovery from SDS in the non-treated check plots (46 and 59%, respectively) was similar to bermudagrass recovery in response to oxadiazon at 3.4 kg/ha (55 and 57%, respectiv ...
... Meloidogyne marylandi is a nematode commonly associated with turfgrasses and has been reported to occur in Texas and Arkansas (1,3). In the fall of 2013, a stand of ultradwarf bermudagrass (Cynodon dactylon × C. transvaalensis) plants in a sand-based, research putting green in Stillwater, Oklahoma, exhibited symptoms of decline. Roots of the affected plants had small galls and upon staining of the ...
... Sustainable irrigated agriculture in the Texas High Plains is threatened by declining aquifer levels. Two systems integrating field crops, forages, and stocker steers (Bos taurus) were evaluated (2004–2011) for productivity and irrigation use in a randomized block design with three blocks. The non-irrigated system (LOW) included native grasses and a rotation of cotton (Gossypium hirsutum L.) with ...
... Interest in integrated crop-livestock agroecosystems (ICL) has increased due to their versatility in management options, potential to offset increasing levels of atmospheric C and enhanced agronomic and ecosystem sustainability. Identifying agroecosystems that have the greatest potential for C sequestration requires an understanding of soil organic C distribution within aggregate fractions. Six so ...