Grazing Preference Comparisons of Six Native Grasses in the Mixed Prairie

Tomanek, G. W.; Martin, E; Albertson, F. W.

doi:10.2307/3893670

Cited by 6 publications

(3 citation statements)

References 6 publications

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“…Observations indicate that some species are grazed heavily when they occur in small quantities throughout a "better" forage, whereas in dense stands the use is light. This has been reported for Artemisia tridentata (Stoddart and Smith, 1955), Ceanothus t hyrsiflorus (Hooper, 1962) and Agropyron simithii on lowland sites (Tomanek et al, 1958). Preference in relation to differences in species composition on one habitat was studied by Heady and Tore11 (1959).…”

Section: Facfors Inf Iuencing Relative Preferencementioning

confidence: 71%

Palatability of Herbage and Animal Preference

Heady¹

1964

Journal of Range Management

112

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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org.. Allen Press andSociety for Range Management are collaborating with JSTOR to digitize, preserve and extend access to Journal of Range Management. This content downloaded from 91.229.248.154 on Tue, 17 Jun 2014 23:42:33 PM All use subject to JSTOR Terms and Conditions LITERATURE CITED BLACKMAN, G. E. 1935. A study of statistical methods of the distribution of species in grassland associations. Bot. Rev. 49: 749-777. CLAPHAM, A. R. 1936. Overdispersion in grassland communities and the use of statistical methods in plant ecology. Jour. Ecol, 24: 232-251. RAY, R. J. 1959. A phytosociological analysis of the tall-grass prairie in northeastern Oklahoma. Ecology 40: 255-261.

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Section: Facfors Inf Iuencing Relative Preferencementioning

confidence: 71%

Palatability of Herbage and Animal Preference

Heady¹

1964

Journal of Range Management

112

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“…However, the quadratic slope for all species was 0.17 cm per 2‐wk period, resulting in a grass height increase over time for IG but in height decreases for both bluestems. Preferential grazing of LB and BB by cattle over other NWSG has been documented on native range in the Great Plains (Fahnestock & Knapp, 1993; Hartnett, Hickman, & Walter, 1996; Tomanek, Martin, & Albertson, 1958), but this may be the first time it has been documented in planted mixed NWSG pasture.…”

Section: Resultsmentioning

confidence: 99%

Continuous grazing of mixed native warm‐season grass in the fescue belt

et al. 2020

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Continuous, season-long (May-August) grazing is the most commonly used grazing strategy among tall fescue [Lolium arundinaceum (Schreb.) Darbysh.] belt beef (Bos taurus) producers. However, little information is available regarding the feasibility of managing native warm-season grass (NWSG) pastures in this region with continuous, season-long grazing. We compared stand sustainability, beef cattle performance, and pasture production between continuous (CONT), season-long grazing and heavy-early (HEAVY), a modified continuous grazing strategy, on mixed-NWSG pastures. Heavy-early was designed to match the growth curve of NWSG, with an initial stocking target of 1.25 times the CONT density until 25 June, at which time stocking was reduced to 0.75 times the CONT density. Pastures were mixed big bluestem (Andropogon gerardii Vitman), indiangrass [Sorghastrum nutans (L.) Nash], and little bluestem [Schizachyrium scoparium (Michx.)]. The plant population (plants m −2) was similar between treatments, but years differed (P < .001), with a 35% reduction from 2017, the third and final year of grazing, to 2018. Despite the decline in plant density, overall tiller density (tillers m −2) increased 14%, indicating that the grazing strategies were likely sustainable. The grazing strategies had similar (P > .05) average daily gain (ADG; kg d −1), animal-days ha −1 , and total gain (kg ha −1). Weaned steer ADG was 0.98 kg d −1 for CONT and 0.89 kg d −1 for HEAVY. Total gain was 379 kg ha −1 for CONT and 334 kg ha −1 for HEAVY. Continuous grazing appears to be an appropriate strategy for managing NWSG pastures in the Fescue Belt.

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“…Rogler (1944) reported that warm-season grasses were, in general, more highly relished by steers than cool-season grasses. Tomanek et al ( 1958) determined that big bluestem (Cd) (Andropogon gerardii) and little bluestem (Cd) (Schizachyrium ~coparium) had a significant positive preference by grazing cattle wherever they occurred, while preference for western wheatgrass (C,) (Agropyron smithii) varied with site. This indicates that a generalization concerning lower palatability of Ca species compared to CJ may not apply to all herbivores.…”

Section: Adaptation and Competitionmentioning

confidence: 99%

Occurrence of C 3 and C 4 Photosynthetic Pathways in North American Grasses

Waller¹,

Lewis²

1979

Journal of Range Management

193

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A literature survey was made for the occurrence of C, and C, photosynthetic pathways in the United States Gramineae. Distinctive characteristics of the two photosynthetic pathways are discussed. Leaf anatomy, CO, compensation point, net enhancement of photosynthesis in oxygen-deficient atmosphere, QC discrimination, and initial product labeling were criteria selected to evaluate data for 6 subfamilies including 25 tribes, 138 genera, and 632 species. The Arundinoideae, Bambusoideae, Oryzoideae, and Pooideae (Festucoideae) are composed of species with C, pathways. All tribes within the Eragrostoideae have C, pathways with the exception of Unioleae. Within the Panicoideae, the Andropogoneae and all of the Paniceae, excepting the genera Sacciolepus, Isachne, Oplismenus, Amphicatpum, and Panicum, have C, pathways. The subgenus Dichanthelium within Panicum is C, while the Bupanicum subgenus contains plants with both C, and C, photosynthetic pathways. Plant productivity is dependent on several environmental and biological factors. The most important single factor is photosynthesis. A pathway for carbon dioxide (CO;?) fixation was described by Calvin and Bassham (1962) in which CO2 was incorporated into a 6-carbon compound and rapidly converted to a 3-carbon compound, 3-phosphoglyceric acid (3PGA). Previous to discoveries of Kortschalk et al. (1965) and Hatch and Slack (1966), the Calvin cycle (C,, reductive pentose pathway) was considered the major photosynthetic mechanism for carbon (C) fixation. However, Hatch and Slack (1966) described CO;! fixation in which labeled CO;! was first incorporated in 4-carbon compounds (malic, aspartic , or oxaloacetic acid) prior to transfer to sugars by way of 3-phosphoglycerate. The proposed mechanism involved the operation of two interconnected metabolic cycles. Downton (1970) described carbon fixation into Cd-dicarboxylic acids in mesophyll cells and subsequent incorporation into the Calvin cycle located in the bundle sheath cells. Plants (Cd plants) possessing the 4-carbon pathway (also called Cd, dicarboxylic acid, Kranz type, low CO;! compensation, tropical, Hatch and Slack, or p carboxylation pathway) were of tropical ongm and more efficient. They produced two-to threefold more dry matter than plants possessing the 3-carbon pathway (C, plants), especially in relatively sunny, warm, dry climates (Black 197 1). Distinctive characteristics associated with the Ca pathway prompted intensive research in photosynthetic processes of flowering plants. The most important photosynthetic pathways

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Grazing Preference Comparisons of Six Native Grasses in the Mixed Prairie

Cited by 6 publications

References 6 publications

Palatability of Herbage and Animal Preference

Palatability of Herbage and Animal Preference

Continuous grazing of mixed native warm‐season grass in the fescue belt

Occurrence of C 3 and C 4 Photosynthetic Pathways in North American Grasses

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