Association of grain yield with identifiable plant characteristics of corn hybrids in the west-central Great Plains

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dc.contributor.author Frank, Brian J.
dc.contributor.author Schlegel, Alan J.
dc.contributor.author Stone, Loyd R.
dc.contributor.author Kirkham, Mary B.
dc.date.accessioned 2013-03-18T19:10:18Z
dc.date.available 2013-03-18T19:10:18Z
dc.date.issued 2013-03-18
dc.identifier.uri http://hdl.handle.net/2097/15355
dc.description Citation: Frank, Brian J., Alan J. Schlegel, Loyd R. Stone, and Mary Beth Kirkham. “Grain Yield and Plant Characteristics of Corn Hybrids in the Great Plains.” Agronomy Journal 105, no. 2 (2013): 383–94. https://doi.org/10.2134/agronj2012.0330.
dc.description.abstract Water supply for crop use is the primary factor controlling corn (Zea mays L.) grain yield in the west-central Great Plains. With water supply varying as production systems range from dryland through irrigated, selecting hybrids for optimum yield in the anticipated water environment is vital for success. Our objective was to analyze a group of corn hybrids and determine: a) are there significant differences in identifiable plant characteristics among the hybrids and b) are there significant associations between identifiable plant characteristics and grain yield. Corn was grown near Tribune, KS, in 3 yr in two fields; one dryland and one irrigated. Hybrids (18) replicated in four blocks were grown at each field, with dryland and irrigated results analyzed separately. From linear regression, no significant correlation existed between irrigated grain yield and days to initial silking of hybrids in any of the 3 yr. The correlation between dryland grain yield and days to initial silking of hybrids was significant (P<0.05) in all 3 yr, with grain yield decreasing as days to initial silking increased. Dryland grain yield was also significantly and negatively correlated with dry stover mass in all 3 yr and with tiller population in 2 of 3 yr. Hybrids selected for dryland in the west-central Great Plains should be from the earlier 1/3 or 1/2 of the 98- to 118-d relative maturity (RM) range of our study. In addition, hybrids selected for dryland should have characteristics of smaller stature (less stover) and non-tillering plants. en_US
dc.language.iso en_US en_US
dc.relation.uri https://doi.org/10.2134/agronj2012.0330 en_US
dc.rights Deposited by permission. This article may be found at doi: 10.2134/agronj2012.0330. This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). en_US
dc.rights.uri https://rightsstatements.org/page/InC/1.0/?language=en
dc.subject Zea mays en_US
dc.subject Corn en_US
dc.subject West-central Great Plains en_US
dc.subject Water supply en_US
dc.subject Corn hybrids/maize hybrids en_US
dc.subject Grain yield en_US
dc.title Association of grain yield with identifiable plant characteristics of corn hybrids in the west-central Great Plains en_US
dc.title.alternative Grain yield and plant characteristics of corn hybrids in the Great Plains en_US
dc.type Text en_US
dc.date.published 2013 en_US
dc.citation.doi 10.2134/agronj2012.0330 en_US
dc.citation.epage 394 en_US
dc.citation.issn 0002-1962
dc.citation.issue 2 en_US
dc.citation.jtitle Agronomy Journal en_US
dc.citation.spage 383 en_US
dc.citation.volume 105 en_US
dc.citation Frank, Brian J., Alan J. Schlegel, Loyd R. Stone, and Mary Beth Kirkham. “Grain Yield and Plant Characteristics of Corn Hybrids in the Great Plains.” Agronomy Journal 105, no. 2 (2013): 383–94. https://doi.org/10.2134/agronj2012.0330.
dc.contributor.authoreid mbk en_US
dc.contributor.authoreid stoner en_US
dc.contributor.authoreid schlegel en_US
dc.description.version Article (author version)


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Deposited by permission.  This article may be found at doi: 10.2134/agronj2012.0330. 
This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). Except where otherwise noted, the use of this item is bound by the following: Deposited by permission. This article may be found at doi: 10.2134/agronj2012.0330. This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

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