Results 71 to 80 of about 20,467 (199)

Widespread male sterility and trioecy in androdioecious Mercurialis annua: Its distribution, genetic basis, and estimates of morph‐specific fitness components

open access: yesAmerican Journal of Botany, Volume 111, Issue 11, November 2024.
Abstract Premise Angiosperms range in sexual system from hermaphroditism through gynodioecy and androdioecy to dioecy. Trioecy, where females and males coexist with hermaphrodites, is rare. Recently, trioecy was documented in hexaploid populations of the wind‐pollinated herb Mercurialis annua in Spain.
Mai Thu Nguyen   +2 more
wiley   +1 more source

Estilos educativos parentales y su relación con la socialización en adolescentes [PDF]

open access: yes, 2014
En el presente artículo se analiza la importancia de la familia sobre el desarrollo social óptimo del hijo adolescente. Los objetivos de esta investigación son evaluar la socialización de 80 sujetos entre 11 y 14 años a través de su conducta social y ...
Comino Velázquez, Maria Elena   +1 more
core  

Estilos parentales y apego en estudiantes universitarios

open access: yesPrometeo Conocimiento Científico
Introducción: La negligencia parental ha sido una representación de maltrato que ha ido en aumento y que a su vez ha traído graves consecuencias en quienes la han vivido, proyectando en la adultez dificultades para relacionarse con otros, exteriorizar emociones y demostrar afecto o vulnerabilidad.
Johanna López   +1 more
openaire   +1 more source

Maternal antenatal depression, oxytocin, and infant temperament: The roles of ethnicity and adult attachment avoidance

open access: yesInfant Mental Health Journal: Infancy and Early Childhood, Volume 45, Issue 5, Page 516-528, September 2024.
Abstract This study examined the associations between maternal depression and oxytocin in pregnancy, caregiving sensitivity and adult attachment style, and infant temperament. One hundred and six women recruited from a public hospital antenatal clinic in Australia, and their infants completed assessments at three time points (Time 1: pregnancy; Time 2:
Jane Kohlhoff   +5 more
wiley   +1 more source

Effects of anther‐stigma position on cross‐pollination efficiency in a hermaphroditic plant

open access: yesAmerican Journal of Botany, Volume 111, Issue 7, July 2024.
Abstract Premise Evolution of cross‐pollination efficiency depends on the genetic variation of flower traits, the pollen vector, and flower trait matching between pollen donors and recipients. Trait matching has been almost unexplored among nonheterostylous species, and we examined whether the match of anther length in pollen donors and stigma length ...
Matias C. Baranzelli   +7 more
wiley   +1 more source

Parenthood and Adolescence mental health. Differences by Geographic Location and school belonging [PDF]

open access: yes, 2011
Los estilos de crianza influyen en la salud mental adolescente. Trabajos previos han corroborado el modelo explicativo de Brian Barber que relaciona variables parentales (control psicológico, control conductual, apoyo social) con otras de funcionamiento ...
Aspillaga Herrera, Carolina   +5 more
core   +2 more sources

Estilos educativos percibidos por deportistas consumidores de tabaco y cánnabis

open access: yesPensamiento Psicológico, 2018
Objetivo. Conocer las diferencias en los estilos educativos parentales percibidos por deportistas consumidores de tabaco y cánnabis. Método. La muestra fue de 502 deportistas españoles con una edad media de 27.76 (DE = 9.11).
Higinio González García   +2 more
doaj   +1 more source

Prezygotic mate selection is only partially correlated with the expression of NaS‐like RNases and affects offspring phenotypes

open access: yesNew Phytologist, Volume 242, Issue 6, Page 2832-2844, June 2024.
Summary Nicotiana attenuata styles preferentially select pollen from among accessions with corresponding expression patterns of NaS‐like‐RNases (SLRs), and the postpollination ethylene burst (PPEB) is an accurate predictor of seed siring success. However, the ecological consequences of mate selection, its effect on the progeny, and the role of SLRs in ...
Patrycja Baraniecka   +7 more
wiley   +1 more source

Exploring the parenting experiences of Brazilian immigrants in the United States

open access: yesJournal of Multicultural Counseling and Development, Volume 52, Issue 2, Page 94-106, April 2024.
Abstract This study aimed to understand Brazilian immigrant parents' experience and needs using an explanatory sequential design with two phases: survey and structured interviews. The results identified several challenges these parents face, the most prevalent being a lack of social support, as well as cultural values and parenting styles.
Nayara Aparecida Da Costa Silva Beall   +2 more
wiley   +1 more source

Estilos de educación parental, horarios de alimentación y uso de dispositivos tecnológicos: Estudio transversal.

open access: yesRevista Española de Nutrición Humana y Dietética
Introducción. La crianza juega un papel crucial en el desarrollo de los niños, moldeando su personalidad hábitos alimenticios y su relación con el medio que los rodea.
Ana Lizette Rojas Rodriguez   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy