The culture of black pepper ( Piper nigrum L.) is of great socio-economical importance in the northern states of Brazil, Pará especially. However, its production has been suffering the incidence of diseases such as the one caused by the Cucumber mosaic virus(CMV) and the Piper yellow mottle virs (PYMoV). Although these viruses have already been reported in many of the Brazilian states, there are too few studies that address the virus diseases which affect this culture. Hence, this project ...

Status: Completed     Start date: Sat Sep 01 00:00:00 GMT-03:00 2007

This project is a result of the demands made by the farmers from the Rio Capim Pole (the counties of Irituia, Concórdia do Pará, Mãe-do-Rio and São Domingos do Capim), which are involved in fish farming. This pole is characterized by the existence of group actions done by farmers and local institutions, which have the goal to strengthen the balance between family farming and environmental preservation (agroecology), the fish farming being part of this context as an expanding productive system. T ...

Status: Completed     Start date: Tue Jan 01 00:00:00 GMT-03:00 2008

The project consists of studying the parasitic communities of fish species such as catfish and scales fish in the Amazon River system. The main points of analysis are the description of these parasitic communities, description of new species and checking whether the size of the host fish has an influence on the abundance of these parasites, their diversity, seasonal variation and their dispersion in the fish. The parasitic communities of different species of fish will be compared, as well as

Status: Completed     Start date: Tue Mar 01 00:00:00 GMT-03:00 2016

The state of Pará is responsible for 80% of the national black pepper production, and Brazil is the third biggest producer and exporter of the spice. However, the production and productivity of the culture has been decreasing throughout the years due to the occurrence of the root rotting disease caused by Fusarium solani f sp. Piperis in a great number of black pepper farms, leading to great economical loss and substantial decline in plantation area along the period of more than forty ye ...

Status: Completed     Start date: Wed Aug 01 00:00:00 GMT-03:00 2007