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Revista mexicana de ciencias agrícolas

Print version ISSN 2007-0934


CASTILLO-GONZALEZ, Ana María; AVITIA-GARCIA, Edilberto; VALDEZ-AGUILAR, Luis Alonso  and  VELAZQUEZ-MALDONADO, Jazmín. Nutrimental extraction lisianthus (Eustoma grandiflorum [Raf.] Shinn) cv. Mariachi Pink. Rev. Mex. Cienc. Agríc [online]. 2017, vol.8, n.2, pp.345-354. ISSN 2007-0934.

The lisianthus is an ornamental with high economic potential for the attractiveness of the flower, diversity in colors and long life in vase; but the information on their nutritional requirements is very low, which limits the elaboration of adequate fertilization programs, low cost and low environmental impact. So the objective of this work was to evaluate the accumulation and distribution of biomass, as well as the nutritional extraction and distribution in lisianthus cv. Mariachi Pink. Sampling was done at 45 ddt (end of the arrease stage, with little stem elongation), 60 ddt (end of stem elongation and formation of secondary shoots), 90 ddt (flower bud formation and elongation of Peduncles) and 140 ddt (opening of the first flower, cut-off point). The crop was developed in greenhouse and soil. The accumulation of biomass and nutritional extraction increased with the development of the plant. The stage of greatest accumulation of biomass and nutritional extraction was the formation of floral buds (90 to 140 ddt). The total biomass was 4.97 g plant-1, 231 g m-2. The total extraction in g m-2 was: N, 2.4; P, 0.46; K, 3.3; Ca, 0.8; Mg, 1; Fe, 0.017; Cu, 0.004; Zn, 0.02; B, 0.009 and Mn, 0.014. The order of extraction was: K ˃ N ˃ Mg ˃ Ca ˃ P ˃ Zn ˃ Fe ˃ Mn ˃ B ˃ Cu. The aerial part accumulated the highest biomass and nutrients.

Keywords : biomass accumulation; developmental stages; nutritional requirements; macronutrients; micronutrients.

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