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The 2009 ASHS Annual Conference

2271:
Soluble Fertilization with Ammonium-Calcium and the Effect On Production of Vegetative Shoots In Mexican Lemon (Citrus aurantifolia (Christ.) Swingle)

Saturday, July 25, 2009
Illinois/Missouri/Meramec (Millennium Hotel St. Louis)
Marcelino Tene, Universidad de Colima, Tecoman Col 28930, Mexico
Tirzo Noé Tejeda-Chávez, Facultad de Ciencias Biológicas y Agropecuarias, Universidad de Colima, Tecomán, Col., Mexico
José María Anguiano-Cárdenas, Universidad De Colima, Tecoman Colima, Mexico
Javier Farias-Larios, Facultad De Ciencias Biologicas Y Agropecuarias, UNIVERSIDAD DE COLIMA, Tecoman, Colima, Mexico
Salvador Guzmán-González, Facultad de Ciencias Biológicas y Agropecuarias, Universidad de Colima, Tecomán, Col., Mexico
José Gerardo López Aguirre, Facultad de Ciencias Biológicas y Agropecuarias, Universidad de Colima, Tecomán, Col., Mexico
The producers of Mexican lemon have serious problems to produce fruit in winter. The information on the nutritional handling of the plant, the pruning and hydric stress, to stimulate the vegetative shoot, is low. Therefore, it is necessary to evaluate practical alternatives, to induce the emission of vegetative and floral shoot, in order to obtain a better yield, and better good quality fruits in winter. For this reason, the effect of the liquid fertilization with ammonium-calcium of the Mexican lemon was evaluated, for the stimulation of floral and vegetative sprout and to increase to the number of flowers and fruits. The treatments consisted of applying: 1) 0 ammonium, 2) 0.25 and 0.08 ammonium/calcium, 3) 0.375 and 0.12 ammonium/calcium and 4) 0.5 urea. The obtained results shown significant statistical difference (P 0.05) in the number of vegetative shoots/tree in treatment with 0.25-0.08 Ammonium-Calcium, with 2.5 times, with respect to the test and two times more than treatment with 0.5 of urea, at 30 days after application. Number of vegetative shoots/tree in treatment 0.25-0.08 Ammonium-Calcium, was increased 2.5 times, respecting to test. Therefore, nutrition of the Mexican lemon with liquid Ammonium-Calcium fertilized in level 0,25 - 0,08, stimulated to a greater emission of vegetative shoots because they were increased 2.5% of flowers and fruits respecting to test, for the production in winter.
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