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Title:   Author  item
                                            Chen, Junpingitem
                                            Hayes, Chaditem
                                            Chopra, Ratanitem
                                            Burow, Gloriaitem
                                            MARLA, SANDEEP - Kansas State Universityitem
                                            MORRIS, GEOFFREY - Kansas State Universityitem
                                            Xin, Zhanguoitem
                                            Burke, John
  Submitted to: Meeting Abstract
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 8/6/2015
                                    Publication  Date: 9/1/2015
                                    Citation: Chen, J., Hayes, C.M., Chopra, R., Burow, G.B., Marla, S., Morris, G., Xin, Z., Burke, J.J. 2015. Characterization of genetic diversity of high temperature tolerance in sorghum [abstract]. Sorghum Improvement Conference of North America, September 1-3, 2015, Manhattan, Kansas. p. 1.Interpretive Summary:
                                Technical Abstract: As global warming becomes inevitable, the sustainability of agricultural production in US and worldwide faces serious threat from extreme weather conditions, such as drought and elevated extreme temperatures (heat waves). Among cereal crops, sorghum is considered a versatile crop for semiarid area and marginal land for its’ high tolerance levels for heat and drought. Nevertheless, our field observation show great genetic variation in heat tolerance among sorghum accession. In this study, we evaluated vegetative stage heat tolerance traits of 377 sorghum breeding panel under 4 environments in field study. Preliminary genome-wide association analyses revealed several chromosome regions that are associated with observed heat tolerance traits. Detained analysis in the identification of genetic loci contributing to heat tolerance in sorghum is underway. The outcome of this study will further our understanding about the genetic mechanisms of heat tolerance in sorghum and help in the genetic improvement of heat tolerance in crop varieties/hybrid.


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