Results 131 to 140 of about 134,274 (299)

Manejo de semilla certificada de papa.

open access: yes, 2003
El Acuerdo Marco de Competitividad de la Cadena Agroalimentaria de la papa tuvo por objeto promover el desarrollo y modernización de la misma con el fin de aprovechar las oportunidades de los mercados externo e interno. Surgió como fruto de un proceso
Gutierrez Restrepo, Francisco Iván
core  

Evolutionary history and taxonomy of the genus Zea

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Taxonomic differentiation of teosinte species (Zea spp.), the closest relatives of maize (Z. mays) is crucial for understanding their distribution, ecology, and evolutionary history. Resolving the taxonomic uncertainties is of scientific interest and has practical implications for biodiversity management, preservation, and utilization.
José de Jesús Sánchez González   +4 more
wiley   +1 more source

Young children's perspectives of time: New directions for co‐constructing understandings of quality in ECEC

open access: yesBritish Educational Research Journal, EarlyView., 2023
Abstract Children's relationship with time in preschools is an under‐researched area. Young children rarely know how to measure time using a clock, but their experiences of time may contribute to understanding children's well‐being and debates about quality in preschools.
Kristín Dýrfjörð   +3 more
wiley   +1 more source

Comportamiento de aislamientos locales de PVX y pvyn en el tamizado para resistencia a los virus X e Y de la papa

open access: yesRevista de la Facultad de Agronomía, 1996
Los aislamientos de los virus X (PVX) e Y (PVY°) son utilizados para identificar genotipos resistentes en el mejoramiento genético de la papa. Dado que recientemente no ha sido hallado PVY° en las principales áreas productoras de papa de la Argentina ...
I. Butzonich   +3 more
doaj  

Heterosis in crosses between remnant populations of the rare prairie forb Silene regia: Implications for restoration genetics

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Calls to adopt seed‐sourcing strategies in biological restoration that preserve local adaptation while maximizing genetic variation (e.g., regional admixture provenancing) are increasingly common. Heterosis, the increased fitness of progeny from crosses between populations relative to progeny from crosses within populations, could ...
Isabelle A. Turner   +3 more
wiley   +1 more source

Transmisión “intergeneracional” (agámica) de la tolerancia al estrés hídrico en Solanum tuberosum cv. Achat

open access: yesRIA: Revista Investigaciones Agropecuarias, 2018
Los diferentes estreses tanto bióticos como abióticos afectan diversos cultivos y causan grandes pérdidas económicas. En los últimos años se han desarrollado estrategias para obtener plantas tolerantes a los diferentes estreses abióticos, que comprenden ...
Leonardo STORANI, M.J. YANOVSKY
doaj  

Trends in Opioid‐Related Poisonings and Mental and Behavioral Disorders From 2006 to 2022 Among a Large Cohort of Injured Workers in Ontario, Canada

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background Work‐related injuries may increase risk for opioid‐related harms. Yet there remains a gap in our understanding of trends in opioid‐related harms over time among injured workers. We estimated trends in hospital encounters for opioid‐related harms among injured workers in Ontario, Canada from 2006 to 2022.
Jeavana Sritharan   +4 more
wiley   +1 more source

Formación de yemas adventicias en tejidos de papa (Solanum tuberosum)

open access: yesRevista de la Facultad de Agronomía, 1967
Se estudió la formación de yemas adventicias, en tejido de papa de la variedad «chaqueta». Se utilizaron varios procedimientos, con distintos tejidos de la planta de papa, que se detallan a continuación. A. Ensayos con tubérculos. B. Ensayos con raíces.
Francisco K. Claver
doaj  

El Papa Francisco en Panamá

open access: yes, 2019
Discurso presentado por El Papa Francisco en su visita a Panamá en torno a la unificación de la humanidad, al respeto, la tolerancia, hermandad y multiculturalidad, así como de la involucración de los jóvenes en el desarrollo del mundo y del bien ...
Papa Francisco
core  

‘The Other Parent’: A Critical Policy Analysis of Fatherhood Discourses in the Australian Government's Paid Parental Leave Scheme

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT The Australian paid parental leave (PPL) government scheme aims to support working parents through financial assistance and the promotion of gender equality in caregiving responsibilities. However, the scheme's implementation has been critiqued for its gendered design, which marginalises fathers and reinforces traditional gender roles.
Lily Lewington   +2 more
wiley   +1 more source

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