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Biología, ecología y control de Diaphorina citri Kuwayama (Hemíptera: Psyllidae). Colegio de Postgraduados
Sánchez Borja, Maricarmen.
Los cítricos mexicanos son de gran importancia económica en Cuitláhuac, Veracruz; entre éstos, el limón Persa es el cultivo de mayor importancia económica debido a que ocupa la mayor superficie de producción y genera mayores divisas para los productores. Sin embargo, la citricultura mexicana se ve amenazada por la presencia de Diaphorina citri, un insecto que causa daños en el cultivo cuando se encuentra presente en altas densidades poblacionales; la mayor amenaza en cuanto a pérdidas económicas es provocada por la enfermedad de Huanglongbing (HLB), donde este insecto es uno de los vectores principales. Debido a la falta de información en cuanto al conocimiento de esta plaga y al desconocimiento de la presencia del patógeno en la localidad de Cuitláhuac...
Palavras-chave: Abundancia poblacional; Psillido asiático de los cítricos; Detección HLB; Population abundance; Asian citrus psyllid; Detection HLB; Tamarixia sp.; Doctorado; Entomología y Acarología.
Ano: 2010 URL: http://hdl.handle.net/10521/256
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Fish assemblage structure is consistent through an annual hydrological cycle in habitats of a floodplain-lake in the Colombian Amazon Neotropical Ichthyology
Correa,Sandra Bibiana.
I investigated changes in abundance and spatial distribution of medium- and large-sized fishes (>100 mm) in an oxbow lake of the lower Apaporis River, Colombian Amazon, across three seasons (falling, low, and rising water). Fifty-three species in 13 families were collected from six habitats: lagoon channels, stream, flooded forests, isolated shrub patches, muddy beaches, and rocks. Abundance, biomass, and species richness were higher during the rising-water season and lower during falling-water season. Correspondence analysis (CA) showed that fish assemblages were associated to two basic habitat types. One assemblage of fishes was associated with densely vegetated and structurally complex habitats (flooded forest, lagoon channels, stream, and isolated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Community ecology; Population abundance; Apaporis River; Habitat affinity.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252008000200014
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Indicadores de infestación, colonización e infección de Triatoma dimidiata (Latreille) (Hemiptera: Reduviidae) en Campeche, México Neotropical Entomology
Hernández,Jorge L; Rebollar-Téllez,Eduardo A; Infante,Francisco; Morón,Alejandro; Castillo,Alfredo.
Triatoma dimidiata (Latreille) is considered to be one of the primary vectors of Chagas disease in Southern Mexico and Central America. The objective of the present study was to obtain ecological information on T. dimidiata in two rural communities of Campeche, Mexico, where the vector is poorly studied. Our work consisted of monthly samplings carried out during one-year time at three levels: sylvatic, peridomestic and intradomestic, in order to estimate the population abundance of this species and its rate of infection with Trypanosoma cruzi. Triatoma dimidiata was the unique vector of this disease collected in San Juan Bautista Sakcabchen (SJBS) and Crucero San Luis (CSL). The total of 145 individuals were captured in SJBS; from these, 26.9%, 20% and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chagas disease; Triatominae; Entomological index; Population abundance.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000600027
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Trichoderma harzianum MTCC 5179 impacts the population and functional dynamics of microbial community in the rhizosphere of black pepper (Piper nigrum L.) BJM
Umadevi,Palaniyandi; Anandaraj,Muthuswamy; Srivastav,Vivek; Benjamin,Sailas.
Abstract Employing Illumina Hiseq whole genome metagenome sequencing approach, we studied the impact of Trichoderma harzianum on altering the microbial community and its functional dynamics in the rhizhosphere soil of black pepper (Piper nigrum L.). The metagenomic datasets from the rhizosphere with (treatment) and without (control) T. harzianum inoculation were annotated using dual approach, i.e., stand alone and MG-RAST. The probiotic application of T. harzianum in the rhizhosphere soil of black pepper impacted the population dynamics of rhizosphere bacteria, archae, eukaryote as reflected through the selective recruitment of bacteria [Acidobacteriaceae bacterium (p = 1.24e-12), Candidatus koribacter versatilis (p = 2.66e-10)] and fungi [(Fusarium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rhizosphere; Population abundance; Functional abundance.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000300463
Registros recuperados: 4
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