Novo meio de combate à mosca-das-frutas na cultura do pêssego
Autor: Wedis | Publicado: 2012-09-12T12:35:00-03:00

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Produtores de
pêssego de Pelotas estão fazendo uso de um novo sistema para auxiliar no manejo
da mosca-das-frutas. Como os inseticidas fosforados com ação de profundidade
foram proibidos e não são mais recomendados pelo Ministério da Agricultura,
Pecuária e Abastecimento para o pêssego, pela possibilidade de causarem danos
neuro-tóxicos em humanos, essa é uma importante arma no combate contra a praga.













De acordo com
o pesquisador Dori Edson Nava, da Embrapa Clima Temperado (Pelotas/RS), armadilhas
(equipamento usado para monitorar a presença dos insetos) são vistoriadas
semanalmente entre a segunda e a quarta-feira. Na quinta-feira, pesquisadores e
técnicos se reúnem e emitem boletins sobre a presença da praga e a severidade
do problema, para que o agricultor possa, a partir da sexta-feira, realizar os
tratos culturais.







Índices de
presença da mosca em cada região são relacionados a dados meteorológicos,
principalmente chuva e temperatura, para formar o panorama da situação e guiar
os passos a serem tomados. Embrapa, Emater/RS e Universidade Federal de
Pelotas, responsáveis pelo sistema de alerta, repassam as informações sobre a
situação da semana através de contatos diretos com os agricultores e por meio
de jornais, rádios, tv´s e internet. Assim, o produtor poderá saber qual é a
real e atual posição sobre a possível infestação e se armar para combater a
mosca. Além disso, são fornecidas orientações, com base nos dados coletados,
sobre quais tratos deverão ser adotados nos pomares por meio de boletins.







Dori conta
que a arma mais indicada no combate contra a mosca é o monitoramento da praga
aliado ao uso da isca tóxica. Esta consiste em aplicar, em partes do pomar, uma
substância à base de proteína que servirá de atrativo alimentar ao mesmo tempo
em que, carregada com um agrotóxico, matará o inseto. Como o produto atrai a
mosca, não é preciso fazer a aplicação em todo o pomar, como ocorre na
aplicação por cobertura – quando o inseticida é aplicado sobre toda a área de
cultivo.







Fonte: Prosa Rural



Foto: Associação Cultural Akira Tsukimoto (Flickr)