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Madera y bosques

versión On-line ISSN 2448-7597versión impresa ISSN 1405-0471

Resumen

ROMERO-ARENAS, Omar et al. Production of Pinus pseudostrobus seedlings in nurseries in compost based on Shiitake waste. Madera bosques [online]. 2019, vol.25, n.1, e2511675.  Epub 26-Jul-2019. ISSN 2448-7597.  http://dx.doi.org/10.21829/myb.2019.2511675.

In Mexico the commercial substrates more utilized for the forest seedlings production are Peat Moss, agrolite and vermiculite, however, their costs are high which makes the utility margins decrease; therefore, alternative substrates capable of promoting good quality seedlings are sought. The residues from the production of Shiitake mushroom (Lentinula edodes) have not yet been characterized for their utilization in forestry-related uses. In the present research, a physical-chemical and bacteriological characterization of the compost obtained from the residues of Shiitake mushroom production was performed to evaluate seedling nursery production of Pinus pseudostrobus. Compost showed a N content of 1.14 mg kg-1 (1.14 ppm), 0.80 mg kg-1 (0.80 ppm) of K, P 0.18 mg kg-1 (0.18 ppm), 93.60% of MO and an electrical conductivity of 3.82 mS / cm. Additionally, it presented 3.6x104 of CFU/g, being Pseudomonas and Klebsiella the most abundant genus, with 1.08 × 104 , representing 60% of the total bacterial load. The Dickson quality index for treatment 3 (Shiitake residue compost 50%+ vermiculite 33% + 33% perlite) was 0.27, exceeding the control treatment (0.24). According to the obtained data, compost made from residues of Shiitake mushroom production, can contribute to the forestry sector for the production of quality seedlings of Pinus pseudostrobus in nursery.

Palabras llave : Dickson quality index; Lentinula edodes; alternative substrate; colony forming units.

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