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Maize (Zea mays L.) from the Saharan oasis: adaptation to temperate areas and agronomic performance

AuthorsDjemel, Abderrahmane CSIC; Revilla Temiño, Pedro CSIC ORCID; Hanifi-Mekliche, L.; Malvar Pintos, Rosa Ana CSIC ORCID; Álvarez Rodríguez, Ángel CSIC
Zea mays L.
Issue DateOct-2012
CitationDjemel A, Revilla P, Hanifi-Mekliche L, Malvar RA, Álvarez A. Maize (Zea mays L.) from the Saharan oasis: adaptation to temperate areas and agronomic performance. Genetic Resources and Crop Evolution 59 (7): 1493-1504 (2012)
AbstractSaharan maize had been adapted to extreme conditions and could have developed resistance to different stresses. However, genebanks and breeding collections have poor representation from Saharan germplasm and, particularly, from Algeria. This is a preliminary approach to investigate the adaptation and agronomic performance of a representative sample of Saharan maize. We evaluated open-pollinated Saharan populations along with European and American cultivars during 2 years in humid and dry Spanish locations and in Algiers (Algeria). Saharan populations were able to grow in temperate environments, although results were not consistent over years and the genotype-by- environment interactions were very important. Some of the Algerian populations evaluated in 2010 showed promising yield and anthesis silking interval over environments, but none of the Algerian populations evaluated in 2009 were adequately adapted to Spanish conditions. These results suggest that there are wide ranges of variability within Saharan maize for adaptation to temperate conditions, and further evaluations of Saharan maize should identify potential base populations for breeding maize in either side of the Mediterranean Sea. However, this germplasm requires prebreeding for adaptation to temperate conditions in order to be adequate for breeding programs in temperate areas.
Description29 Pags., 6 Tabls. The definitive version is available at: http://www.springerlink.com/content/0925-9864/
Publisher version (URL)http://dx.doi.org/10.1007/s10722-011-9778-2
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