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Tolerancia a sequía y salinidad en Cucurbita pepo var. pepo asociada con hongos micorrízicos arbusculares del desierto sonorense Agrociencia
Harris-Valle,Citlalli; Esqueda,Martín; Valenzuela-Soto,Elisa; Castellanos,Alejandro.
Los hongos micorrízicos arbusculares (HMA) se usan como biofertilizantes porque al colonizar las raíces pueden mejorar el crecimiento, la producción y el estado hídrico de las plantas. El beneficio potencial del hospedero es mayor con HMA nativos. En este estudio se evaluó el efecto de un inóculo mixto y un consorcio de siete especies de HMA nativos del Desierto Sonorense asociados con Cucúrbita pepo var. pepo cultivada con sequía, así como alta y baja salinidad. La respuesta de estos inóculos se comparó con un HMA procedente de una región templada y el testigo. El diseño experimental fue completamente al azar y se hizo un análisis factorial 4 (tres inóculos y el testigo) × 2 (con y sin estrés) con baja salinidad o sequía; para los datos de estrés salino...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cucúrbita pepo var. pepo; Micorrizas; Sequía; Salinidad; Potencial hídrico; Potencial osmótico.
Ano: 2011 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952011000800008
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Quantitative changes in the biochemical composition of lignocellulosic residues during the vegetative growth of Lentinula edodes BJM
Gaitán-Hernández,Rigoberto; Esqueda,Martín; Gutiérrez,Aldo; Beltrán-García,Miguel.
The chemical changes in barley-straw (BS), wheat-straw (WS) and vineyard-pruning (VP) substrates were determined during colonization of Lentinula edodes mycelia (during primordium development) in solid state fermentation. Primordia appeared 39-50 days after inoculation. VP appeared to promote early sporophore initiation. The concentration of hemicellulose in BS and VP decreased gradually from 25.5% to 15.6% and from 15.8% to 12.3%, respectively. However in WS, hemicellulose decreased from 27.2% to 9.5%. Lignin broke down continuously in BS and WS, with 31.8% and 34.4% degradation, respectively; higher than that of cellulose. During the pinning stage, the C:N ratio decreased in VP and BS, but not in WS. On all substrates the phenols decreased notably...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural residues; Vegetative growth; Chemical properties; Shiitake mushroom.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000100004
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Physiological response of Cucurbita pepo var. pepo mycorrhized by Sonoran desert native arbuscular fungi to drought and salinity stresses BJM
Harris-Valle,Citlalli; Esqueda,Martín; Gutiérrez,Aldo; Castellanos,Alejandro E.; Gardea,Alfonso A.; Berbara,Ricardo.
ABSTRACT Plants response to symbiosis with arbuscular mycorrhizal fungi (AMF) under water stress is important to agriculture. Under abiotic stress conditions native fungi are more effective than exotics in improving plant growth and water status. Mycorrhization efficiency is related to soil fungi development and energy cost-benefit ratio. In this study, we assessed the effect on growth, water status and energy metabolism of Cucurbita pepo var. pepo when inoculated with native AMF from the Sonoran desert Mexico (mixed isolate and field consortium), and compared with an exotic species from a temperate region, under drought, low and high salinity conditions. Dry weights, leaf water content, water and osmotic potentials, construction costs, photochemistry and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glomus; Pacispora; Water status; Construction cost; Photosynthesis.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000100045
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