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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934


VILLASENOR MIR, Héctor Eduardo et al. Ágata: a new variety of oats (Avena sativa L.) for the production of grain in Mexico. Rev. Mex. Cienc. Agríc [online]. 2018, vol.9, n.5, pp.1083-1088. ISSN 2007-0934.

During the last five years, the area planted with oats in Mexico has fluctuated from 700 000 to 800 000 ha. In 2015, the area sown with oats (Avena sativa L.) in Mexico was around 800 thousand hectares. The new variety Ágata is a spring habit and was developed in the Valley of Mexico Experimental Field of the National Institute of Forestry, Agriculture and Livestock Research through the crossing of line A: KAR/GAL//ZAF/KAR with line B:BLEN/KAR, its genealogy is KAR/GAL//ZAF/KAR/3/BLEN/KAR and its pedigree is I-4533-0C-12C-0R-0C-3C-0R. The new Ágata variety was tested during the years 2011 to 2015 together with 11 witnesses in temporary conditions in 81 environments. The average of its grain production was 2.7, 4.2, 2.8 and 1.2 t ha-1 in general, favorable environments, intermediate and critical production, respectively, higher than all the witnesses used from 14% (Turquesa) to 56% (Ópalo), the greatest advantage in its yield with respect to the control varieties was in intermediate production environments, where more appropriate conditions prevail for the incidence of stem rust. Ágata is a medium-cycle variety, intermediate plant and moderately resistant to lodging, which has resistance to moderate resistance to stem rust and leaf rust, showing a higher level of resistance than all control varieties, and is tolerant to foliar disease complex. It is recommended for seasonal sowing in the different oat producing regions in Mexico.

Palavras-chave : adaptation; varieties of oat; yield.

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