Registration of ‘Devine’ Little Burr Medic

Ocumpaugh, W. R.; Ueckert, D.N.; Muir, J. P.; Butler, Twain J.; Reed, R.L.

doi:10.3198/jpr2006.05.0338crc

Cited by 5 publications

(11 citation statements)

References 2 publications

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“…Zhu et al (1998a) reported that medics have the ability to fix 100 to 200 kg N ha −1 yr −1 with appropriate rhizobia inocula. Certain medics have desirable characteristics such as superior reseeding ability (Krall et al, 2007; Ocumpaugh et al, 2007) that makes them attractive over other annual forage legumes in some areas of the country. Animal toxicity associated with grasses such as tall fescue [ Festuca arundinacea Schreb.…”

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confidence: 99%

Effectiveness of Sinorhizobium Inoculants on Annual Medics

et al. 2011

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Annual medics (Medicago spp.) have potential to be important forage legumes in the southern Great Plains of the United States. Currently there are no commercial medic species‐specific rhizobia strains identified for their inoculation. However, commercially available alfalfa (Medicago sativa L.) inoculants may be effective at successfully nodulating annual medics. The objective of this study was to determine the relevant symbiotic rhizobial partner in association with seven annual medics. A greenhouse experiment arranged in three replications of a randomized complete block design quantified rhizobium effectiveness index and shoot and root dry matter (DM) of Medicago arabica (L.) Huds., Medicago lupulina L., Medicago minima (L.) Bartal., Medicago orbicularis (L.) Bartal., Medicago polymorpha L., Medicago rigidula (L.) All., and Medicago rigiduloides E. Small when inoculated with five Sinorhizobium spp. strains (M2, M49, Nitragin A, Nitragin N [a blend of three isolates], and WSM1115) and an untreated control (UTC). Strain M49 was the only strain that effectively nodulated M. rigiduloides, while Nitragin A commercial alfalfa strain was only effective on M. rigidula. Inoculants M2, Nitragin N, and WSM1115 were able to effectively nodulate M. polymorpha, M. arabica, M. minima, and M. orbicularis. To a lesser extent, M. lupulina, M. minima, and M. orbicularis were also effectively nodulated by Nitragin A alfalfa strain. These data indicate that there are differences in rhizobia specificity of annual medic species, and further research is warranted to improve nodulation of these legumes in the field.

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confidence: 99%

Effectiveness of Sinorhizobium Inoculants on Annual Medics

et al. 2011

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“…Tifton burr medic requires the alfalfa strain (Nitragin A), rigid medic requires a specific unique strain (M49), and spotted burr medic, black medic, button medic, and little burr medic were best suited with the traditional annual medic strains (Nitragin N, M2, and WSM1115) (9). Annual medics have potential for self regeneration since they can produce adequate seed even when heavily utilized(11,13) and under erratic rainfall patterns (14). Certain medics have reseeding ability due to hard seed(10,14) that makes them attractive over other annual forage legumes.…”

Section: Potential Of Annual Medicsmentioning

confidence: 99%

“…Annual medics have potential for self regeneration since they can produce adequate seed even when heavily utilized(11,13) and under erratic rainfall patterns (14). Certain medics have reseeding ability due to hard seed(10,14) that makes them attractive over other annual forage legumes. Despite these advantages, use of annual medics is limited primarily due to lack of adequate freeze tolerance (2).…”

Section: Potential Of Annual Medicsmentioning

confidence: 99%

“…Krall et al (10) reported that rigid medic and Tifton burr medic were the most winter hardy, followed by button medic, and that burr medic and barrel medic were the least winter hardy in Wyoming. Lack of hard seed can also be a limiting factor for widespread use of medics (14) because of premature germination after sporadic summer rainfalls and seedling mortality during following drought periods. The objective of this research was to evaluate accessions from six different Medicago species for freeze tolerance, forage production, nutritive value, flowering date, seed production, and hard seed percentage to select candidate accessions for development of new cultivars adapted to environments of the southern Great Plains.…”

Section: Potential Of Annual Medicsmentioning

confidence: 99%

“…Muir et al (11) reported seed yields of approximately 350 and 450 lb seed/acre for Devine little burr medic and Estes button medic, respectively, which is similar to or slightly greater than the seed yield reported in this study. Ocumpaugh et al (14) reported seed yields averaged between 178 and 223 lb seed/acre for Devine little burr medic. Based on these findings, all the medics evaluated should produce sufficient seed for regeneration, however the lines exhibiting greater seed yields have greater potential for commercialization.…”

Section: Annual Medic Seed Yieldmentioning

confidence: 99%

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Annual Medic Forage and Seed Evaluations for the Semiarid Regions of the Great Plains

Butler

Interrante

Malinowski³

et al. 2011

Forage & Grazinglands

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Annual medics (Medicago spp.) may have forage potential in the southern Great Plains. Twenty‐two accessions selected from 1231 total accessions were evaluated for freeze tolerance, forage production, nutritive value, flowering date, seed production, and hard seed percentage. Selected accessions exhibiting these desirable characteristics from Tifton burr medic [M. rigidula (L.) All.], rigid medic (M. rigiduloides E. Small), button medic [M. orbicularis (L.) Bartal], and little burr medic [M. minima (L.) Bartal] were evaluated at Vernon, TX, and Ardmore, OK. Dry matter (DM) yields ranged from 2189 to 3866 lb/acre, and nutritive values were considered high quality for all classes of livestock. Seed yield averaged across years ranged from 291 to 529 lb seed/acre, which should be adequate for self‐regeneration. Percent hard seed ranged from 11 to 75%. Based on DM yield, seed yield, and hard seed percentage, button medics may be best suited to produce adequate forage, regenerate, and persist in the southern Great Plains.

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Caught in the Act: Variation in plastid genome inverted repeat expansion within and between populations of Medicago minima

Choi

Jansen

Ruhlman

2020

Ecology and Evolution

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A plastid genome (plastome) containing large and small single-copy regions (LSC and SSC, respectively) separated by a large inverted repeat (IR) is widely acknowledged to represent the ancestral form of the plastome monomer of land plants. The typical plastome IR is on the order of 25-30 kb with most size variation driven by expansion and contraction of IR boundaries (Jansen & Ruhlman, 2012; Ruhlman & Jansen, 2014). The ancestral form is not, however, ubiquitous among photosynthetic plants. In disparate lineages, the IR has massively expanded, contracted, and been entirely lost (Ruhlman & Jansen, 2018; Zhu et al., 2016). Major IR expansions identified among Pelargonium species yielded the largest plastomes, which contain IRs that ranged up

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Registration of ‘Devine’ Little Burr Medic

Cited by 5 publications

References 2 publications

Effectiveness of Sinorhizobium Inoculants on Annual Medics

Effectiveness of Sinorhizobium Inoculants on Annual Medics

Annual Medic Forage and Seed Evaluations for the Semiarid Regions of the Great Plains

Caught in the Act: Variation in plastid genome inverted repeat expansion within and between populations of Medicago minima

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