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Revista mexicana de ciencias agrícolas
Print version ISSN 2007-0934
Abstract
ROMERO DOMINGUEZ, Leticia et al. Response of apple rootstocks to vigor, yield efficiency and leaf and fruit concentrations of NPK. Rev. Mex. Cienc. Agríc [online]. 2017, vol.8, n.4, pp.849-861. ISSN 2007-0934. https://doi.org/10.29312/remexca.v8i4.12.
The rootstock in apple tree controls characteristics such as vigor, precocity, nutrient transport efficiency, fruit size and quality of the grafted cultivar. Currently, there are new rootstocks with potential to be used in México, but their behavior is unknown; therefore, the objectives of this paper were to know the vigor, yield efficiency and the concentration of N, P and K in leaves and fruits. The plantation was established in 2003 at La Capilla de los Remedios, Chihuahua, in order to evaluate 11 apple rootstocks of different origins, PiAu 56-83, PiAu 51-4, EMLA.26, G.935, G.41, G.16, B.10, J-TE-H, PAJAM2, M.9T337 and B.9, grafted with the Golden Delicious variety. The results obtained indicate that the rootstocks with the best yield efficiency were the most dwarfed such as M.9T337, G.41, J-TE-H, G.935 and G.16. The most vigorous rootstocks were PiAu 56-83 and PiAu 51-4. The G.16 rootstock showed high concentration of N, P and K in leaf and fruit, whereas M.9T337 showed high concentration of N in leaf. The rootstocks PiAu 56-83 and PiAu-51-4 showed high concentration of K in leaf.
Keywords : nutrients; rootstock; vigor; yield efficiency.