Evaluation of substrates and arbuscular mycorrhizal fungusapplication on Begonia sp.

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Published: Jul 5, 2012
Keywords:
begonia, vesicular arbuscular mycorrhizae, biofertilizers, growing media

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Carlos Morales Alvero
Instituto Nacional de Ciencias Agrícolas

Abstract

An experiment was conducted at the departmentof Crop Genetics and Breeding from the National Institute ofAgricultural Sciences (INCA), to evaluate the response ofBegonia var. Rex depending on the substrates made up by themixture of soil, filter cake and rice straw, as well as the applicationof arbuscular micorrhizal fungus (EcoMic®) on the followingvariables: amount of leaves, leaf length, plant vigor, dry matterof roots and the aerial part, and number of spores. A randomizedblock design with three repetitions per treatment was used.Variables were evaluated at seven and 45 days aftertransplanting. Results showed that, when evaluating at sevendays, there were not any significant differences betweentreatments for the variables: amount of leaves and leaf length;however, when evaluating at 45 days, there were significantdifferences between treatments. It was observed thattreatments with higher values of organic matter (MO) andinoculated with mycorrhizas differed significantly from the rest,concerning the variables amount of leaves and leaf length.Plant vigor, dry matter of roots and the aerial part, as well asspore number were evaluated just at 45 days after transplanting.It was also observed that plants from the treatments inoculatedby mycorhizas showed higher vigor and a more intense leafcolor. Regarding dry matter production in the aerial part,treatments inoculated presented the highest values and differedsignificantly from the rest. Concerning dry matter productionin roots, it seems to depend more on the organic matter contentof the substrate, in both substrates A and B inoculated or not,than on the inoculation itself. In substrates C and D, withlower organic mattter contents, mycorhizal inoculation didenhanced dry matter production. Substrates A and B inoculatedpresented the highest spore percentage.

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How to Cite
Morales Alvero, C. (2012). Evaluation of substrates and arbuscular mycorrhizal fungusapplication on Begonia sp. Cultivos Tropicales, 32(2), 17–22. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/62
Issue
Vol. 32 No. 2 (2011)
Section
Original Article

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