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Cultivos Tropicales
versão impressa ISSN 0258-5936
Resumo
MENA ECHEVARRIA, Aracely; FERNANDEZ, Kalyanne; OLALDE, Víctor e SERRATO, Rosalinda. Maize (Zea mays L.) response differences to inoculation with Glomus cubense (Y. Rodr. & Dalpe) and arbuscular mycorrhizal fungi (AMF) species conglomerate. cultrop [online]. 2013, vol.34, n.2, pp. 12-15. ISSN 0258-5936.
The use of conglomerate for the development of mycorrhizal inoculants is very important to develop a variety of commercial products made from these microorganisms. According to this a experiment was conducted in order to compare the effect of two mycorrhizal inoculants on growth, development and gasses interchange of maize plants. The experiment was developed under a completely randomized design and the inoculants proved were the first constituted by Glomus cubense specie and the other one was a conglomerate of species (cluster Selva). Different mycorrhizal (intensity and frecuence), physiological (stomatal conductance, photosynthetic rate) and growth (height, stem diameter and dry mass) indicators were evaluated. Not differences were detected among the inoculants employed on growth indicators, but in mycorrizal parameters the conglomerate (Cluster Selva) presented the highest values of the indicator; however, an interesting behavior was observed using G. cubense inoculants due to the values obtained for this inoculants were comparable to control, but the effect of this specie was the best obtained on gas exchange variable. These results point to the highest efficiency of this specie and to the functional differences between species on ecological point of view, and they open the possibility of using of cluster in field’s condition
Palavras-chave : maize; vesicular arbuscular mycorrhizal; conglomerate; gas exchange; inoculation.