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1Latest Papers from Table of Contents or Articles in PressJ. W. Ho ; Y. L. Jung ; T. Liu ; B. H. Alver ; S. Lee ; K. Ikegami ; K. A. Sohn ; A. Minoda ; M. Y. Tolstorukov ; A. Appert ; S. C. Parker ; T. Gu ; A. Kundaje ; N. C. Riddle ; E. Bishop ; T. A. Egelhofer ; S. S. Hu ; A. A. Alekseyenko ; A. Rechtsteiner ; D. Asker ; J. A. Belsky ; S. K. Bowman ; Q. B. Chen ; R. A. Chen ; D. S. Day ; Y. Dong ; A. C. Dose ; X. Duan ; C. B. Epstein ; S. Ercan ; E. A. Feingold ; F. Ferrari ; J. M. Garrigues ; N. Gehlenborg ; P. J. Good ; P. Haseley ; D. He ; M. Herrmann ; M. M. Hoffman ; T. E. Jeffers ; P. V. Kharchenko ; P. Kolasinska-Zwierz ; C. V. Kotwaliwale ; N. Kumar ; S. A. Langley ; E. N. Larschan ; I. Latorre ; M. W. Libbrecht ; X. Lin ; R. Park ; M. J. Pazin ; H. N. Pham ; A. Plachetka ; B. Qin ; Y. B. Schwartz ; N. Shoresh ; P. Stempor ; A. Vielle ; C. Wang ; C. M. Whittle ; H. Xue ; R. E. Kingston ; J. H. Kim ; B. E. Bernstein ; A. F. Dernburg ; V. Pirrotta ; M. I. Kuroda ; W. S. Noble ; T. D. Tullius ; M. Kellis ; D. M. MacAlpine ; S. Strome ; S. C. Elgin ; X. S. Liu ; J. D. Lieb ; J. Ahringer ; G. H. Karpen ; P. J. Park
Nature Publishing Group (NPG)
Published 2014Staff ViewPublication Date: 2014-08-29Publisher: Nature Publishing Group (NPG)Print ISSN: 0028-0836Electronic ISSN: 1476-4687Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsKeywords: Animals ; Caenorhabditis elegans/*cytology/*genetics ; Cell Line ; Centromere/genetics/metabolism ; Chromatin/chemistry/*genetics/*metabolism ; Chromatin Assembly and Disassembly/genetics ; DNA Replication/genetics ; Drosophila melanogaster/*cytology/*genetics ; Enhancer Elements, Genetic/genetics ; Epigenesis, Genetic ; Heterochromatin/chemistry/genetics/metabolism ; Histones/chemistry/metabolism ; Humans ; Molecular Sequence Annotation ; Nuclear Lamina/metabolism ; Nucleosomes/chemistry/genetics/metabolism ; Promoter Regions, Genetic/genetics ; Species SpecificityPublished by: -
2Articles: DFG German National LicensesStaff View
ISSN: 1432-2242Keywords: Genotype x environment interaction ; Stability ; Maize ; Zea mays ; HeterogeneitySource: Springer Online Journal Archives 1860-2000Topics: BiologyNotes: Summary Genotype x environment (GE) interaction encountered in experiments complicates genotype selection and varietal recommendation. The integration of yield and stability of genotypes into a single parameter may make selection and recommendation easier. Kang developed a rank-sum method that allows selection for both yield and the stability variance statistics (σ i 2 or s i 2 ) of Shukla. The objective of this research was to compare the rank-sum selection method to selection based on yield alone in five international maize (Zea mays L.) yield trials. Ranks were assigned for yield (the highest mean yield received a rank of 1) and for σ i 2 and s i 2 (the lowest value received a rank of 1). The yield and σ i 2 ranks and/or the yield and s i 2 ranks for each genotype were summed. Each trial contained two reference entries (REs). Yield rank or rank-sum of each genotype was compared to yield rank or rank-sum of the best RE (BRE). GE interaction was significant for all trials. Heterogeneity in the GE interaction due to the linear effect of a covariate (differences in fertility and/or cultural practices) was significant in Trials 1, 2, and 5. Overall, in all trials, 29 genotypes were selected on the basis of yield alone. On the basis of σ i 2 and yield rank-sum, 32 genotypes were identified, with 11 being lower yielding than the 29 yield-based selections. On the basis of s i 2 and yield rank-sum, 31 genotypes were selected, with 11 being lower yielding than the yield-bases selections. Obviously, yield is sacrificed when the rank-sum method is used in the selection process. However, selection based on yield alone may not be adequate when GE interaction is significant because of testing in diverse environments.Type of Medium: Electronic ResourceURL: