Registration of Redalta, Greenalta, and Bigalta Limpograss<sup>1</sup> (Reg. Nos. 52, 53, and 54)

Quesenberry, K. H.; Dunavin, L. S.; Hodges, E. M.; Killinger, G. B.; Kretschmer, Axel; Ocumpaugh, W. R.; Roush, Rebecca; Ruelke, O. C.; Schank, S. C.; Smith, David; Stanley, Rachael

doi:10.2135/cropsci1979.0011183x001900020035x

Cited by 8 publications

(3 citation statements)

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“…The majority of past research emphasized the effect of N on quality and quantity of warm-season grown forage or the comparison of three introduced genotypes (Kretschmer and Snyder, 1979;Velez-Santiago and Arroyo-Aguilu, 1983;Mooso et al, 1985). The studies on stockpiling of limpograss published by Quesenberry andOcumpaugh (1980, 1982) showed that forage quality declined significantly with time; however, the influence offertilizer levels was not evaluated. Crude protein content of Bigalta increased as application of N fertilizer increased (224 to 896 kg ha-1 yr-1 ) when P and K application levels were held constant (112 and 336 kg ha-1 yr-1 ) (Velez-Santiago and Arroyo-Aguilu, 1983).…”

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confidence: 99%

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels¹

Davis¹,

Jolley²,

Mooso³

et al. 1987

Agronomy Journal

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Adequate quantity and quality of cool-season forage are limiting factors in cattle (Bos taurus) producing areas of the subtropics. 'Bigalta' limpograss (Hemarthria altissima (Poir.) Stapf et C.E. Hubb.] has been proposed as a forage with potential to help overcome both problems. A 2-yr study to determine the effect of increasing levels of fall-applied fertilizer on the quality of stockpiled Bigalta limpograss was conducted in central Florida. Eight fertilizer treatments were applied on 10 October each year: (1) 0-0-0, (ii) 34-4-13, (iii) 68-7-26, (iv) 100-11-40, (v) 135-15-54, (vi) 168-18-67, (vii) 200-22-80, and (viii) 400-45-160 kg ha-1 of N-P-K. Forage quality variables were measured in whole plant samples at monthly intervals from 5 December through 5 April, inclusive, and were compared to established National Research Council (NRC) requirements for beef cattle. Yield increases entering into the stockpile period (December) of 285 to 610% (relative to the control) resulted from rates of 68-7-26 kg ha-1 of N-P-K and higher, and these yield increases were maintained through April. Addition of greater than 68-7-26 kg ha-1 of N-P-K consistently increased in vitro dry matter digestibility (IVDMD) crude protein (CP), P, K, and Mn, whereas Zn concentration was decreased by fertilizer application. Acid detergent fiber (ADF), neutral detergent fiber (NDF), and concentrations of Ca, Mg, Fe, and Cu were generally unaffected by fertilizer level. Crude protein, P, and K levels were raised into acceptable NRC ranges, while Zn dropped below the required range as a result of fertilization. Animals grazing stockpiled limpograss of this quality would require supplementation with Zn and Cu during the entire period, while supplementation with CP and P would be required only during February and April, respectively. Both Ca/P and K/(Ca + Mg) ratios were maintained at levels conducive to good beef cattle production throughout the stockpile period.

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confidence: 99%

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels¹

Davis¹,

Jolley²,

Mooso³

et al. 1987

Agronomy Journal

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“…The first accession was not useful agronomically, but the latter three were widely evaluated for pasture use. These clonal lines were ultimately released as the cultivars ‘Redalta’ (PI 299993), ‘Greenalta’ (PI 299994), and ‘Bigalta’ (PI 299995) (Quesenberry et al, 1978, 1979). Each cultivar had some production limitation, either related to low nutritive value (Redalta and Greenalta) or poor persistence under regular defoliation (Bigalta; Quesenberry et al, 2004).…”

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Registration of ‘Kenhy’ and ‘Gibtuck’ Limpograss Hybrids

Quesenberry

Sollenberger

Vendramini³

et al. 2017

J of Plant Registrations

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‘Kenhy’ (Reg. No. CV‐283, PI 682663) and ‘Gibtuck’ (Reg. No. CV‐284, PI 682664) hybrid limpograss [Hemarthria altissima (Poir.) Stapf & C.E. Hubbard] cultivars were produced by the University of Florida Agronomy Department, a unit of the Florida Agricultural Experiment Station, and released in 2014. These two hybrids were selected from 51 hybrid seedlings produced by greenhouse hand crosses of ‘Floralta’ × ‘Bigalta’. Floralta is estimated to constitute >95% of the limpograss grown in Florida, raising concerns about genetic vulnerability. Bigalta, although less persistent than Floralta, has been shown to have slightly greater in vitro organic matter digestion. Evaluations of these hybrids were conducted at the Range Cattle Research and Education Center, Ona, FL, at two locations near Gainesville, FL, and at the North Florida Research and Education Center, Marianna, FL. Evaluations included greenhouse pot studies, small plot clipping experiments, two different mob stocking grazing experiments, and an experiment to evaluate herbage accumulation and nutritive value under stockpiling management. Kenhy and Gibtuck were selected for superior herbage accumulation, persistence under grazing defoliation, improved nutritive value compared with Floralta, and utility as stockpiled forage. Vegetative planting material was first distributed in summer 2014 to a group of growers selected by the Florida Cattlemen's Research Committee, and further public distribution will be coordinated by this committee.

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“…Hubb.] is a highly productive C 4 grass with potential for use in the subtropics (Quesenberry et al, 1978). Organic matter digestibility (IVOMD) and intake oflimpograss were generally higher than those of bahiagrass (Paspalum notatum Flugge}, the predominant pasture species in Florida (Moore et al, 1981}, but protein concentration in limpograss forage may be very low (Euclides, 1985).…”

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Effects of Grazing Management on Establishment and Productivity of Aeschynomene Overseeded in Limpograss Pastures¹

Sollenberger¹,

Quesenberry²,

Moore

1987

Agronomy Journal

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Low protein concentration in limpograss [Hemarthria altissima (Poir.) Stapf et C.E. Hubb.] herbage is thought to limit the performance of grazing animals. In 1983 and 1984 an experiment was conducted on a sandy, siliceous, hyperthermic Ultic Haplaquod soil to evaluate effects of grazing management on establishment and productivity of the legume aeschynomene (Aeschynomene americana L.) seeded in limpograss. Existing limpograss pastures were grazed in the spring to 75‐ or 150‐mm stubble heights. After broadcast seeding aeschynomene, stubble heights were maintained by grazing until (i) legume cotyledons were exserted, (ii) two true leaves were present, or (iii) 2 weeks after the two‐leaf stage. Summer grazing was initiated when aeschynomene plants were 0.20, 0.40, or 0.80 m tall in 1983 and 0.20, 0.40, or 0.60 m tall in 1984. After initiation of grazing, pastures were grazed every 5 weeks. Limpograss stubble height during legume establishment did not affect legume productivity, but there was a trend favoring the 75‐mm level. Extending the period of early season grazing of limpograss until aeschynomene seedlings reached at least the two‐leaf stage controlled grass competition and maximized legume performance. Legume dry matter (DM) accumulation was greatest if initiation of summer grazing was delayed until aeschynomene was 0.80 (1983) or 0.60 (1984) m tall. Initiation of grazing when aeschynomene was 0.20 to 0.40 m tall resulted in more uniform distribution of total and legume DM, higher efficiency of grazing, more vigorous legume regrowth, and a trend toward greater total herbage consumption. These data indicate that aeschynomene can be established into limpograss sods under grazing, and that this association has potential on the large expanses of poorly drained soils in Florida.

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Registration of Redalta, Greenalta, and Bigalta Limpograss¹ (Reg. Nos. 52, 53, and 54)

Cited by 8 publications

References 0 publications

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels¹

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels¹

Registration of ‘Kenhy’ and ‘Gibtuck’ Limpograss Hybrids

Effects of Grazing Management on Establishment and Productivity of Aeschynomene Overseeded in Limpograss Pastures¹

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Registration of Redalta, Greenalta, and Bigalta Limpograss1 (Reg. Nos. 52, 53, and 54)

Cited by 8 publications

References 0 publications

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels1

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels1

Registration of ‘Kenhy’ and ‘Gibtuck’ Limpograss Hybrids

Effects of Grazing Management on Establishment and Productivity of Aeschynomene Overseeded in Limpograss Pastures1

Contact Info

Product

Resources

About

Registration of Redalta, Greenalta, and Bigalta Limpograss¹ (Reg. Nos. 52, 53, and 54)

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels¹

Quality of Stockpiled Bigalta Limpograss Forage at Varying Fertility Levels¹

Effects of Grazing Management on Establishment and Productivity of Aeschynomene Overseeded in Limpograss Pastures¹