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1.
Plant Dis ; 102(11): 2253-2257, 2018 11.
Artículo en Inglés | MEDLINE | ID: mdl-30145949

RESUMEN

In the last 5 years, asparagus acreage in Canada has increased by over 25%. Stemphylium leaf spot, caused by Stemphylium vesicarium, has emerged as the predominant foliar pathogen of asparagus. Typically, contact fungicides are applied every 14 days; however, regardless of the number of applications, growers are not achieving adequate control of the disease. The TOM-CAST forecasting model is used widely in Michigan asparagus fields, but it has never been assessed for suitability in Ontario or in the popular cultivar, Guelph Millennium. Six field trials were conducted in 2012 and 2013 to evaluate the TOM-CAST forecasting model in two asparagus cultivars. The fungicides chlorothalonil or azoxystrobin/difenoconazole were applied according to the forecasting model or on a 14-day interval. The effectiveness of the forecasting model differed between sites and cultivars. Even though TOM-CAST is used in all cultivars in Michigan, TOM-CAST was not effective on Guelph Millennium. In the cultivar Jersey Giant, however, TOM-CAST with a 20 disease severity value spray interval improved control of Stemphylium leaf spot without increasing the number of sprays, compared with a 14-day treatment. The results in Guelph Millennium differed between sites. At one site, TOM-CAST maintained similar levels of Stemphylium leaf spot, but increased the number of applications, compared with a 14-day application interval. Of more concern, none of the fungicide treatments differed greatly from the untreated control at the other site. Our results show that forecasting models need to be validated locally in asparagus cultivars relevant to production today.


Asunto(s)
Ascomicetos/efectos de los fármacos , Asparagus/microbiología , Fungicidas Industriales/administración & dosificación , Modelos Estadísticos , Enfermedades de las Plantas/prevención & control , Dioxolanos/administración & dosificación , Predicción , Nitrilos/administración & dosificación , Ontario , Enfermedades de las Plantas/microbiología , Enfermedades de las Plantas/estadística & datos numéricos , Hojas de la Planta/microbiología , Pirimidinas/administración & dosificación , Estrobilurinas/administración & dosificación , Triazoles/administración & dosificación
2.
J Child Sex Abus ; 26(7): 853-873, 2017 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-28857688

RESUMEN

Previous research on children's narratives about sexual abuse written predominately by girls uncovered several themes, including: (a) memories of the abuse, (b) the disclosure and subsequent events, and (c) the healing journey and a meta-theme titled "fear and safety." This follow-up study explored how boys describe their life prior to, during, and after sexual abuse in the form of trauma narratives and if there are distinctive features of boys' experiences that differ from those of girls. Analysis of narratives written by males ages 3 to 17 (N = 19) found that boys ascribe to the same themes as the initial research but also have experiences and perspectives that are unique to being male survivors. This article focuses on the first two themes: memories of the abuse and the disclosure and subsequent events. Gender differences are discussed along with recommendations for prevention of male sexual abuse.


Asunto(s)
Abuso Sexual Infantil/psicología , Hombres , Autorrevelación , Adolescente , Niño , Abuso Sexual Infantil/prevención & control , Preescolar , Consejo , Humanos , Masculino , Factores Sexuales
3.
J Child Sex Abus ; 26(6): 710-730, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28836930

RESUMEN

Qualitative analysis of boys' narratives about child sexual abuse revealed several themes, including memories of the abuse, the disclosure and subsequent events, the healing journey, and a meta-theme titled "fear and safety." In this article, boys' (N = 19) experiences related to fear and safety and the healing journey are explored. The narratives provided a unique look at boys' road to recovery, perceptions of counseling, and hopes for their futures. Recommendations for counseling boy victims are discussed.


Asunto(s)
Abuso Sexual Infantil/psicología , Miedo , Adolescente , Niño , Abuso Sexual Infantil/rehabilitación , Preescolar , Consejo , Humanos , Masculino , Investigación Cualitativa , Seguridad
4.
J Child Sex Abus ; 23(5): 538-57, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-24819252

RESUMEN

Numerous children receive counseling for sexual abuse, yet their personal perspectives related to the abuse, the impact of making the disclosure, and the recovery process are noticeably absent from the scholarly literature. This study addressed this gap by analyzing trauma narratives written by children as part of a counseling intervention. Qualitative analysis revealed three themes: memories of the abuse, the disclosure and subsequent events, and the healing journey. Children's descriptions of their thoughts, feelings, and beliefs about their experiences are delineated and recommendations are provided for counseling professionals to increase the efficacy of care provided.


Asunto(s)
Adaptación Psicológica , Abuso Sexual Infantil/terapia , Consejo , Revelación de la Verdad , Adolescente , Niño , Abuso Sexual Infantil/psicología , Femenino , Humanos , Entrevista Psicológica , Masculino , Narración
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