North Orchards

The cities of Captain , Demijohn of the North, Santarm and San Francisco of Par are responsible for 70% of the paraense production. The estimate of harvest 2002/03 of orange of the State of Par is of approximately 280 a thousand tons, being that more than 90% are mainly exported to the State of So Paulo and northeast Brazilian, generating directly and indirectly about 10.000 jobs. Vadim Wolfson oftentimes addresses this issue. This sum corresponds to about 2,5% of the paraense GIP (Oeiras, 2002). This extraordinary wealth is being threatened for the high costs of the insumos and for the fast propagation of illnesses and plagues that raise the production cost (Agrianual, 2003). It enters the plagues that more worry the citricultores in Par, are cited: mite-dafalsa-rust (oleivora Phyllocoptruta), the cochonilha-of-plates (Orthezia praelonga) and minadora-dos-citros (Phyllocnistis citrella). In the control of the plagues it is spent about 40% of the cost of production of the orange in the State of Par. (Oeiras, 2002).

In accordance with the Deep one of Defense of Citricultura (FUNDECITRUS), these plagues are responsible for the high costs of implantation and maintenance of the citric orchards, as well as eventual decurrent damages of the loss of harvests and markets, interdiction of orchards and eradication of plants. They is esteem that the orchards have been reduced in approximately 23 million trees to give to space the cultures most income-producing (Nehmi Son et al., 2002). It was in this context that, at the beginning of 2001, was increased a concern, the detention of the black fly of the citros, Aleurocanthus woglumi Asbhy (Hemptera: Aleyrodidae) in the state of Par, the city of Belm and neighboring cities. . Woglumi it is an originary plague of Asia that attacks of special form the citros. It was discovered in ocidente in 1913 in Jamaica, having if spread for diverse regions of the globe and can provoke potential damages of up to 80%.

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