Effect of Fertiactyl on the absorption and translocation of C-glyphosate in young eucalyptus plants.

Fertiactyl is a foliar fertilizer with the potential to minimize the phytotoxicity effects caused by glyphosate drift in eucalyptus plants. As the interactions of the glyphosate and Fertiactyl in tank mix on the plant behavior are not yet known, the objective was to evaluate the absorption and translocation of C-glyphosate, applied isolated and mixed in tank with Fertiactyl, in young eucalyptus plants (clone I-144, x ). The addition of Fertiactyl to the mixture of C-glyphosate reduced the absorption by 94.

Fertiactyl® in mixture with glyphosate decreases herbicide absorption and translocation in coffee seedlings.

The application of glyphosate to coffee crops can cause injuries to plants. Fertiactyl foliar fertilizer reduces injuries when mixed with glyphosate; however, it is important to establish which mechanisms are responsible for this protective action. This study aimed to evaluate the absorption and translocation of glyphosate applied separately and in mixture with Fertiactyl in coffee seedlings.

Spatial distribution and losses by grain destroying insects in transgenic corn expressing the toxin Cry1Ab.

Insect pests are one of the factors that most impact plant yield. The magnitude of the losses and the spatiotemporal pest distribution in crops is a result of their interactions with the environment. Therefore, the understanding of the causes of production losses and the pest spatial patterns is important for the development of suitable sampling plans and pest management programs.

Greenhouse gas emissions and carbon sequestration by agroforestry systems in southeastern Brazil.

Agrosilvopastoral and silvopastoral systems can increase carbon sequestration, offset greenhouse gas (GHG) emissions and reduce the carbon footprint generated by animal production. The objective of this study was to estimate GHG emissions, the tree and grass aboveground biomass production and carbon storage in different agrosilvopastoral and silvopastoral systems in southeastern Brazil. The number of trees required to offset these emissions were also estimated.

Population dynamics of weeds in no-tillage and conventional crop systems.

Population dynamics of weeds in successive maize and bean crops were evaluated in two soil management systems (conventional and no-tillage), for two maize applications (grain and silage), and in four consecutive growing seasons. Every year, conventional tillage consisted in plowing and harrowing before sowing. In no-tillage, chemical weed desiccation was made with the mixture glyphosate + 2.