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Tolerance of Bradyrhizobium strains to glyphosate formulations
(Crop Protection, 2018)
The Allium cepa bioassay to evaluate landfarming soil, before and after the addition of rice hulls to accelerate organic pollutants biodegradation
(Academic Press Inc. Elsevier B.V., 2009-07-01)
Landfarming is a soil bioremediation technology practiced by oil refineries in order to reduce or eliminate hydrocarbons from petroleum sludge. The goal of the current study was to use Allium cepa bioassay to assess ...
Diuron lacks promoting potential in a rat liver bioassay
(Taylor & Francis Inc, 2007-01-01)
The promoting activity of the herbicide Diuron was evaluated in a medium-term rat liver carcinogenesis bioassay that uses as endpoint immunohistochemically identified glutathione S-transferase positive (GST-P+) foci. Male ...
New experimental tools for bioassays with whitefly in laboratory
(Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), 2012-12-01)
O objetivo deste trabalho foi desenvolver um kit experimental para avaliações de repelência, deterrência à oviposição e atividade inseticida a adultos de mosca-branca, Bemisia tabaci biótipo B. O kit, constituído de arenas ...
Preliminary studies on agonistic behavior between colonies of Coptotermes havilandi (Isoptera, Rhinotermitidae) in laboratory bioassays
(2002-01-01)
Intercolonial aggression is being used to delimit foraging territory in termite species of subterranean termites. The advance of the introduced pest termite Coptotermes havilandi Holmgren in the interior of São Paulo State ...
Development and validation of a successful microbiological agar assay for determination of ceftriaxone sodium in powder for injectable solution
(2012-09-01)
Ceftriaxone sodium is a cephalosporin with broad-spectrum antimicrobial activity and belongs to the third generation of cephalosporins. Regarding the quality control of medicines, a validated microbiological assay for the ...
Persistência do herbicida sulfentrazone em solo cultivado com cana-de-açúcar
(Instituto Agronômico de Campinas, 2010-01-01)
O objetivo do trabalho foi determinar o comportamento do herbicida sulfentrazone em solo franco-argilo-arenoso cultivado com cana-de-açúcar. O delineamento experimental foi o de blocos ao acaso com cinco repetições e três ...
Electroantennographic responses of Heterotermes tenuis (Isoptera: Rhinotermitidae) to synthetic (3Z,6Z,8E)-Dodecatrien-1-ol
(2004-08-30)
The subterranean termite Heterotermes tenuis (Isoptera: Rhinotermitidae) is a pest of great importance for the Brazilian economy as it causes serious damages in commercial reforestations of Eucalyptus spp. and sugarcane ...
Isolation of toxoplasma gondii from goats from Brazil
(2009-04-01)
Goats are economically important in many countries, and little is known of caprine toxoplasmosis in Brazil. Antibodies to Toxoplasma gondii were assayed in the sera of 143 goats from 3 Brazilian states, using modified ...
The detection of Toxoplasma gondii by comparing cytology, histopathology, bioassay in mice, and the polymerase chain reaction (PCR)
(2001-06-12)
The objective of this study was to compare the different methods of detecting Toxoplasma gondii in sheep tissue, tested serologically positive by the indirect immunofluorescent antibody test (IFAT). Brain, diaphragm, and ...