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Revista argentina de microbiología
Print version ISSN 0325-7541
Abstract
BEDOLLA-TORRES, Martha H. et al. Yeast irrigation enhances the nutritional content in hydroponic green maize fodder. Rev. argent. microbiol. [online]. 2015, vol.47, n.3, pp.236-244. ISSN 0325-7541. http://dx.doi.org/10.1016/j.ram.2015.04.002.
The objective of this study was to evaluate the effect of irrigation with yeasts (Debaryomyces hansenii var. Fabry, Yarowia lipolytica YIBCS002, Yarowia lipolytica var. BCS and Candida pseudointermedia) on the final nutritional content of hydroponic green maize fodder (Zea Zea mays L.), applied at different fodder growth stages (1. seed-seedling stage, 2. seedling-plant 20 cm, 3. during all the culture). Irrespective of the fodder growth stages at which they were applied, all yeasts tested enhanced the content of raw protein, lipids, ash, moisture and energy. The percentage of electrolytes (Na, K, Cl, sulphates, Ca and Mg) showed different responses depending on the kind of yeast applied; D. hansenii exhibited the highest increment in all electrolytes, except for phosphorous. We conclude that the addition of yeasts belonging to the genera Debaryomyces, Candida and Yarowia to the irrigation solution of hydroponic systems enhances the nutrient content of green fodder. This kind of irrigation can be applied to generate high commercial value cultures in limited spaces.
Keywords : Fodder; Hydroponics; Plant growth promoting yeast.