Results 31 to 40 of about 9,826,014 (111)

Problemas fitopatológicos en especies de la familia Solanaceae causados por los géneros <i>Phytophthora</i>, <i>Alternaria</i> y <i>Ralstonia</i> en Colombia. Una revisión.

open access: yesAgronomía Colombiana, 2007
<p align="justify">La familia Solanaceae es considerada el tercer taxa botánico más importante a nivel agronómico, hecho que ha generado que mundialmente se invierta un gran esfuerzo en estudiar la biología, ecología y diversidad de hábitats de ...
Carreño Natalia   +3 more
doaj  

Evaluación de diferentes tipos de controles de roya (Hemileia vastatrix Berk. & Broome) y pestalotiopsis (Pestalotia sp.), en el cultivo de la fruta milagrosa (Synsepalum dulcificum ADC)

open access: yesSiembra, 2022
En el Ecuador, la tendencia de la producción de frutas no tradicionales se incrementa anualmente en un 4%. La fruta milagrosa (Synsepalum dulcificum) se ha convertido en una excelente opción al momento de incursionar en la explotación de frutas no ...
Dayana Cristina Ibarra Anchundia   +5 more
doaj   +1 more source

EMITS: Expectation–maximization abundance estimation for fungal ITS communities from long‐read sequencing

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract As long‐read amplicon sequencing becomes routine for fungal metabarcoding, species‐level abundance estimation from ITS amplicons remains limited by naive best‐hit classification. Assigning each read to its single highest‐scoring reference misattributes reads among closely related species that share similar ITS sequences, and divides the reads ...
Aaron O'Brien   +4 more
wiley   +1 more source

Biology of the Gall Midge Spanolepis selloanae (Diptera, Cecidomyiidae), a Candidate Biological Control Agent of the Invasive Grass Cortaderia selloana

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Spanolepis selloanae (Diptera, Cecidomyiidae) infests Cortaderia selloana (pampas grass). It lays eggs in the spikelets, where larvae feed on female parts. The high prevalence of the midge and its combined impact in seed production, condition and viability strongly reduces the reproductive output of C. selloana.
María J. Servia   +6 more
wiley   +1 more source

Químico documentalista: ¿Una nueva profesión?

open access: yes, 2011
Se intenta demostrar que los químicos son imprescindibles en servicios de documentación e información en instituciones científicas y tecnológicas, como los profesionales que realizan tareas de organización y búsqueda de información necesaria para el ...
Currás, Emilia
core   +1 more source

CD68 and F4/80 Markers Demonstrate Inflammatory Synergism Between Apical Periodontitis and Liver Fibrosis in Wistar Rats

open access: yesInternational Endodontic Journal, EarlyView.
ABSTRACT Aim To evaluate CD68 and F4/80 glycoproteins in the worsening of apical periodontitis (AP) and liver fibrosis (LF) in Wistar rats. Methodology Thirty‐two Wistar rats were distributed in the following groups (n = 8): C—control; AP—apical periodontitis; LF—liver fibrosis; APLF—AP and LF.
L. V. Barroti   +9 more
wiley   +1 more source

Hydroxycinnamic Acid Amides Emerge as Multifunctional Molecules Involved in Regeneration and Volatile Signalling During Wound Responses

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Hydroxycinnamic acid amides (HCAAs) are phenylpropanoid‐derived metabolites traditionally associated with antimicrobial defence and cell wall reinforcement during plant–pathogen interactions. However, their contribution to plant responses to mechanical injury, particularly in wound healing and damage‐induced signalling, remains poorly ...
Carmen Grech‐Hernández   +9 more
wiley   +1 more source

Efecto de cihalofop-butilo para el control de malezas gramíneas anuales en arroz de temporal.

open access: yesAgronomía Mesoamericana, 2004
Con objeto de evaluar la efectividad del herbicida cihalofop-butilo en el control de malezas gramíneas anuales en el arroz de temporal cv Milagro Filipino, durante 2002, se condujeron dos experimentos en el municipio de Tres Valles, Ver., México.
Valentín Alberto Esqueda-Esquivel   +1 more
doaj   +1 more source

New Labor Governance? The German Supply Chain Act and National Governance Mechanisms in Brazil

open access: yesRegulation &Governance, EarlyView.
ABSTRACT Due diligence laws respond to labor governance challenges and to a lack of public governance addressing human rights violations in Global Value Chains. Despite ongoing contestation, the German Supply Chain Due Diligence Act seeks to hold German‐based firms accountable for human rights risks in their supply chains.
Helena Gräf
wiley   +1 more source

Efectividad de la mezcla picloram y fluroxipir en el control de malezas perennes de pastizales tropicales

open access: yesAgronomía Mesoamericana, 2005
Durante el año 2001 se estableció un experimento en tres localidades del centro y norte del estado de Veracruz, México, con el objeto de conocer la efectividad de la mezcla formulada de los herbicidas picloram + fluorxipir en el control de escobilla
Valentín Alberto Esqueda-Esquivel   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy