Sarah Gladstone

Sarah Gladstone
El Nisperal Private Wildlife Reserve and Agroforestry Farm

1984 Ph.D Zoology, Duke University

About

13
Publications
3,034
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118
Citations

Publications

Publications (13)
Article
Full-text available
RESUMEN. Dos repelentes potenciales, el sesquiterpeno farnesol y la semilla de ayote (Cucurbita maxima), de donde se aísla el farnesol, fueron evaluados en cuanto a su acción sobre la hormiga corta hojas Atta mexicana. Un experimento se condujo usando recipientes pequeños con cebo de pulpa de naranja y melaza, rodeados por cintas humedecidas con lo...
Article
Full-text available
The incidence of maize stunt diseases, or achaparramiento, rose in Nicaragua from an insignificant level to national crisis proportions, then declined to insignificant levels again, all in the space of 10 yr. The 3 pathogens that cause achaparramiento, corn stunt spiroplasma, maize bushy stunt phytoplasma, and maize ray ado fino virus are transmitt...
Article
Full-text available
The effect of period and level of infestation by the fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), on irrigated maize, Zea mays L., yield was determined. Two applications of the insecticide chlorpyriphos (336 g[ai]/ha) applied directly to the whorl produced yields equivalent to treatments with three applications...
Article
Full-text available
The alligatorweed flea beetle, Agasicles hygrophila Selman & Vogt, is an important biological control agent of alligatorweed, Alternanthera philoxeroides (Mart.) Griseb. in Florida. Beetles were introduced into the U.S. from their native Argentina in 1964. This report reports a new, more northern established population in Charleston County, South C...
Article
Full-text available
Introduccion: Siete especies de hormigas cortadoras de hojas (HCH) perteneciendo a los géneros Atta y Acromyrmex, afectan seriamente a los cultivos anuales y perennes, granos almacenados, huertos y jardines, y viviendas urbanas y rurales en todo el territorio de Nicaragua. Las hormigas, comúnmente conocidas en Centroamérica como zompopos, figuran e...
Article
http://deepblue.lib.umich.edu/bitstream/2027.42/53140/1/1574.pdf

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Projects

Projects (2)
Project
Share knowledge, experiences and dialogue about maize-based systems, their agroecology and pest management.
Project
Share evidence, knowledge and recommendations about fall armyworm, its ecology and its management. The focus here is sustainable management of fall armyworm by smallholder farmers.