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    • Journal of Range Management, Volume 42 (1989)
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    Survival and agronomic performance of 25 alfalfa cultivars and strains interseeded into rangeland

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    Author
    Berdahl, J. D.
    Wilton, A. C.
    Frank, A. B.
    Issue Date
    1989-07-01
    Keywords
    interplanting
    strains
    rhizomes
    mixed pastures
    Medicago sativa
    Hesperostipa comata
    sowing
    agronomic traits
    dry matter accumulation
    roots
    Agropyron desertorum
    mortality
    cultivars
    Poaceae
    Pascopyrum smithii
    Bouteloua gracilis
    growth rate
    semiarid zones
    crop yield
    forage
    North Dakota
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    Citation
    Berdahl, J. D., Wilton, A. C., & Frank, A. B. (1989). Survival and agronomic performance of 25 alfalfa cultivars and strains interseeded into rangeland. Journal of Range Management, 42(4), 312-316.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645091
    DOI
    10.2307/3899501
    Additional Links
    https://rangelands.org/
    Abstract
    This study assesses survival and agronomic performance of 7-year-old stands of 25 alfalfa (Medicago sativa L.) cultivars and experimental strains interseeded into rangeland near Mandan, N.Dak. Associated grasses consisted primarily of crested wheatgrass [Agropyron desertorum (Link) Schulte.], western wheatgrass [Pascopyrum smithii (Rydb.) Löve], needle-and-thread (Stipa comata Trin. & Rupr.), and blue grama [Bouteloua gracilis (H.B.K.) Lag.]. Soil was a Chama silt loam (Typic Haplustolls), an upland soil with moderate water holding capacity. Each entry was replicated 4 times in a randomized complete block design in plots consisting of 3 interseeded rows 6.1 m long with 90 cm between rows. Alfalfa cultivars and experimental strains with a high proportion of falcata [M. sativa subsp. falcata (L.) Arcang.] parentage were better adapted to interseeding into rangeland at a semiarid site in the northern Great Plains than traditional hay-type cultivars which have a high proportion of sativa (M. sativa L. subsp. sativa) parentage. Sativa-types with high levels of known winterhardiness had low survival in this test. Seven years after plant establishment, the 12 falcata-type entries averaged 100% more plants or propagules m-2, 124% wider foliage spread of plant rows, and 68% more dry matter yield, respectively, than the 13 sativa-type entries. Traits associated with falcata parentage such as plant spread by root proliferation and broad crown development, dormancy during midsummer drought, and slow, decumbent regrowth may help to enhance alfalfa survival in semiarid rangeland in the Northern Great Plains. These traits have no known utility in more humid environments where maximum forage yields from multiple harvests is a primary objective.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899501
    Scopus Count
    Collections
    Journal of Range Management, Volume 42, Number 4 (July 1989)

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