O nematoide da haste verde.

bitstream/item/198734/1/CIRCULAR-TECNICA-147.pd

Levantamento da ocorrência do nematóide da haste verde da soja no brasil.

Título em inglês: Occurrence of the soybean green stem nematode in brazil

Identificação de hospedeiros alternativos de Aphelenchoides besseyi.

Título em inglês: Identification of alternative hosts of aphelenchoides besseyi

Atmospheric nitrogen input into the North Sea: organic nutrient detection

The levels of gaseous organic nitrogen compounds (alkyl nitrates - ANs) together with identification of the possible sources of these compounds in the air were studied. Seasonal trends were investigated by conducting the sampling campaigns during the spring, summer and winter time. The air-mass backward trajectories (BWTs) were calculated for the sampling periods by Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model (Draxler and Rolph, 2003). These BWTs were considered for the determination of the influence of the Atlantic Ocean, the North Sea and the continent as possible sources of ANs. An adapted set-up for low and high volume samplings, extraction and minimized clean-up, identification and quantification capabilities resulting from the complementary use of GC-ECD and GC-MS methods is reported. The AN levels were found to be in the range of a few to 7400 pg.m-3 in the air. The AN fraction consisted of primarily the 2C4, C5 and C6 isomers, which contribute largely to the total AN level. The N-fluxes by ANs were more pronounced for the summer periods than for the winter/spring months, organic nitrates were the most abundant in the Atlantic/Channel/UK air-masses

O papel dos fitonematóides sobre as pastagens tropicais e seus impactos nos sistemas de integração lavoura-pecuária e agrosilvopastoris.

Edição dos Resumos do XLIII Congresso Brasileiro de Fitopatologia, 2010, Cuiabá. Mesa Redonda 4: Impacto das doenças de forrageiras na agropecuária

Efeito da palhada de braquiária em cobertura de solo, na sobrevivência de aphelenchoides besseyi.

Título em inglês: Effect of the soil mulching with urochloa ruziziensis straw on aphelenchoides besseyi survival