Neste estudo foram isoladas seis espécies de trichoderma isoladas de solos rizosféricos de arrozais, bananeiras, dendezeiros, seringueiras, hortaliças e pastagens. As espécies são t. harzianum, t. viride, t. koningii, t. asperellum, and t. parareesei. O estudo morfológico como pigmentaçã...
As Terras Pretas Arqueológicas (TPAs) são solos de fertilidade que notoriamente são superiores à grande maioria dos solos típicos da região amazônica. Assim, o uso das TPAs intensificou-se devido às características químicas apresentadas por esses solos, como a...
Abstract Resource amendments commonly promote plant invasions, raising concerns over the potential consequences of nitrogen (N) deposition; however, it is unclear whether invaders will benefit from N deposition more than natives. Growth is among the most fundamental inherent traits of plants and thus goo...
Abstract The vegetation physionomy and cover can show patterns of diversity and composition of the edaphic community, depending on the quantity and quality of litter in a specific habitat. The objective of this study was to evaluate the effect of the vegetation gradient formed by Graminoid Field (GRF), ...
Introducción. El rápido aumento de la producción agrícola, las actividades extractivas y la expansión demográfica han originado degradación del suelo y la modificación del equilibrio dinámico propio de un ecosistema debido, entre otras cosas, a un cambio drástico en las formas tradicionales de ...
In the present study we reported the antimicrobial activity of actinomycetes isolated from aridic soil sample collected in Karoo, South Africa. Eighty-six actinomycete strains were isolated and purified, out of them thirty-four morphologically different strains were tested for antimicrobial activity. Amo...
ABSTRACT The soil represents the main source of novel biocatalysts and biomolecules of industrial relevance. We searched for hydrolases in silico in four shotgun metagenomes (4,079,223 sequences) obtained in a 13-year field trial carried out in southern Brazil, under the no-tillage (NT), or conventional ...
Agricultura,
Archaea/clasificación,
Archaea/enzimología,
Archaea/genética,
Archaea/aislamiento & purificación,
Proteínas Arqueales/genética,
Brasil,
Proteínas Fúngicas/genética,
Hongos/clasificación,
Hongos/enzimología,
Hongos/genética,
Hongos/aislamiento & purificación,
Hidrolasas/genética,
Metagenoma,
Metagenómica,
Suelo/química,
Microbiología del Suelo,
Glycine max/crecimiento & desarrollo,
Triticum/crecimiento & desarrollo,
Zea mays/crecimiento & desarrollo
Archelli, Susana;
Kozubsky, Leonora;
Gamboa, Maria Inés;
Osen, Beatriz;
Costas, María Elena;
López, Marisa;
Burgos, Lola;
Corbalan, Valeria;
Butti, Marcos;
Radman, Nilda.
El objetivo de este trabajo fue describir la situación epidemiológica de toxocariosis en un hábitat ribereño. Se determinaron anticuerpos anti-toxocara por ELISA en sueros de 34 niños y 64 adultos, y se hallaron seroprevalencias de 32,3% y 45,3%, respectivamente. Esta fue alta en adultos y en niños...
Abstract Edaphic macrofauna must be better studied if we want to take advantage of their full potential for the restoration of tropical ecosystems. We investigated changes in edaphic macrofauna density and diversity along a secondary succession chronosequence in the Atlantic Forest. Our results show some...
Adaptación Fisiológica,
Biodiversidad,
Brasil,
Conservación de los Recursos Naturales,
Ecosistema,
Restauración y Remediación Ambiental,
Bosques,
Suelo/química,
Microbiología del Suelo/normas,
Árboles/crecimiento & desarrollo,
Clima Tropical
Abstract Carabids are recognized worldwide as biological control agents of agricultural pests. The objective was to compare the life cycle of Abaris basistriata Chaudoir (Coleoptera: Carabidae) on three substrates: soil, fine vermiculite, or paper napkins. The biological cycle of A. basistriata presented...
