• Login
    View Item 
    •   Home
    • Journals and Magazines
    • Society for Range Management Journal Archives
    • Rangeland Ecology & Management / Journal of Range Management
    • Journal of Range Management, Volume 52 (1999)
    • Journal of Range Management, Volume 52, Number 2 (March 1999)
    • View Item
    •   Home
    • Journals and Magazines
    • Society for Range Management Journal Archives
    • Rangeland Ecology & Management / Journal of Range Management
    • Journal of Range Management, Volume 52 (1999)
    • Journal of Range Management, Volume 52, Number 2 (March 1999)
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    All of UA Campus RepositoryCommunitiesTitleAuthorsIssue DateSubmit DateSubjectsPublisherJournalThis CollectionTitleAuthorsIssue DateSubmit DateSubjectsPublisherJournal

    My Account

    LoginRegister

    About

    AboutUA Faculty PublicationsUA DissertationsUA Master's ThesesUA Honors ThesesUA PressUA YearbooksUA CatalogsUA Libraries

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Factors influencing crown placement of oats (Avena sativa L.)

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Thumbnail
    Name:
    9406-9287-1-PB.pdf
    Size:
    62.61Kb
    Format:
    PDF
    Download
    Author
    Ries, R. E.
    Issue Date
    1999-03-01
    Keywords
    Avena sativa
    internodes
    mesocotyls
    planting depth
    coleoptiles
    light intensity
    seedling growth
    plant anatomy
    temperature
    
    Metadata
    Show full item record
    Citation
    Ries, R. E. (1999). Factors influencing crown placement of oats (Avena sativa L.). Journal of Range Management, 52(2), 181-186.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643942
    DOI
    10.2307/4003514
    Additional Links
    https://rangelands.org/
    Abstract
    The depth of the grass crown nodes in the soil influences the susceptibility of the crown to environmental and management conditions which can affect grass establishment success and grain and forage yield levels. A controlled environment experiment was conducted to quantify the effect of planting depth (38 and 76 mm), temperature (25 and 10 degrees C), and light (full light [900 micromoles m(2) sec(-1)] and shaded at 55% full light [500 micromoles m(2) sec(-1)] on the elongation of oat (Avena sativa L. 'Valley') seedling internodes and the resulting final crown placement. The mesocotyl and 1st leaf internode increased in length with increased planting depth with no significant interactions. The length of the 2nd leaf internode increased more when developed under 25 degrees C temperatures than under 10 degrees C (significant temperature X depth interaction). However, the 2nd leaf internode elongated more under low light (55% full light) compared to full light (significant light X depth interaction). The 3rd leaf internode length was the same for the 38 and 76 mm planting depths when developed at 10 degrees C and under 55% full light. At 10 degrees C-full light and 25 degrees C-55% light, the deep planting depth resulted in increased 3rd leaf internode elongation, while at 25 degrees C-full light, the 3rd leaf internode was longer when developed from 38 mm planting depth (significant temperature X light X depth interaction). The ultimate elongation of these internodes resulted in the depth and structure of the final oat crown. This study points out the importance of naming and knowing each internode since the internodes do not respond in similar manner to environmental conditions. When all factors resulting in oat crown depth location and structure are considered, one expects crowns of oat seedlings developed under 10 degrees C to contain 4 nodes somewhat separated and crowns containing only 3 nodes more widely separated under temperature conditions of 25 degrees C. The most compact crown developed under reduced light conditions, from 38 mm planting depth, and a temperature of 10 degrees C. This information concerning the morphology of crown structure and location is expected to be similar for annual and perennial forage grasses with an oat type seedling morphology when seeded at similar temperatures, light intensities, and planting depths.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003514
    Scopus Count
    Collections
    Journal of Range Management, Volume 52, Number 2 (March 1999)

    entitlement

     
    The University of Arizona Libraries | 1510 E. University Blvd. | Tucson, AZ 85721-0055
    Tel 520-621-6442 | repository@u.library.arizona.edu
    DSpace software copyright © 2002-2017  DuraSpace
    Quick Guide | Contact Us | Send Feedback
    Open Repository is a service operated by 
    Atmire NV
     

    Export search results

    The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

    By default, clicking on the export buttons will result in a download of the allowed maximum amount of items.

    To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

    After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.