EFLUENTS AND SUBSTRATES ON POINSETTIA DEVELOPMENT

Pineda-Pineda, Joel; Castillo-González, Ana María; Morales-Cárdenas, J.A.; Colinas-León, Ma. Teresa; Valdez-Aguilar, Luis Alonso; Avitia-García, Edilberto

doi:10.5154/r.rchsh.2006.11.049

ISSN e: 2007-4018 / ISSN print: 2007-4018

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Vol. 14, issue 2 May - August 2008

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EFLUENTS AND SUBSTRATES ON POINSETTIA DEVELOPMENT

EFLUENTES Y SUSTRATOS EN EL DESARROLLO DE NOCHEBUENA

Joel Pineda-Pineda; Ana María Castillo-González; J.A. Morales-Cárdenas; Ma. Teresa Colinas-León; Luis Alonso Valdez-Aguilar; Edilberto Avitia-García

Keywords: Euphorbia pulcherrima Willd. ex Klotzch, foliar fertilization, vegetative growth, chyatia, nutrition.

10.5154/r.rchsh.2006.11.049

Received: -
Accepted: -
Available online: 2016-07-01
Pages:131-137

Abstract Highlights

In order to improve quality and plant production in poinsettia cv. Supjibi Red by using organic fertilization with lower detrimental impact in the environment, this research was designed to assess the effect of foliar sprays of two effluents from vermicompost [one obtained in 2003 (1) and another in 2004 (2)] and the substrates 1) volcanic rock, 2) mix 1 (peat + vermiculite, 1:1 v/v), and 3) mix 2 (leaf mould + volcanic rock + peat + perlite, 3:1:0.75:0.75 v/v). Foliar sprays were aplied every 10 days at 0.05 %. Irrigation with complete nutrient solution was performed daily in plants grown in volcanic rock, twice weekly in plant grown in mix 1, and once weekly in plants grown in mix 2. Plants grown in volcanic rock and sprayed with effluent 1 showed highest plant height (50.2 cm), chyatia number (64), area of bracts (3884 cm2), total dry weight (39.6 g), and leaf dry weight (13.6 g). There was no significant effect on number of shoots, number of flowers, specific leaf weight, anthocyanin concentration, and bract color. Effluents did not have significant effect in leaf nutrient concentration. Effectivity of effluents varied depending of substrate. The best treatment was volcanic rock plus foliar sprays of effluent 1, this treatment could be used to the hydroponic culture of poinsettia stock plants.

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