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Pragas de armazenamento ameaçam até 10% dos grãos estocados no Brasil 4p245s

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Pragas de armazenamento ameaçam até 10% dos grãos estocados no Brasil
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As pragas de armazenamento, como o caruncho-dos-cereais e o besourinho-do-fumo, representam um grande desafio para os produtores rurais do Brasil. Dados do Ministério da Agricultura, Pecuária e Abastecimento (Mapa) e da Organização das Nações Unidas para a Alimentação e a Agricultura (FAO) apontam que, anualmente, até 10% dos grãos estocados no país podem ser perdidos devido a essas pragas.

Além da perda na quantidade de grãos, a qualidade dos cultivos também sofre um impacto significativo. Fábio Kagi, gerente de Assuntos Regulatórios do Sindicato Nacional da Indústria de Produtos para Defesa Vegetal (Sindiveg), alerta, “além do prejuízo em quantidade, precisamos considerar as perdas qualitativas, que podem comprometer todos os grãos produzidos ou classificá-los com menor valor agregado”.

Para evitar esse problema, é fundamental que os produtores adotem práticas integradas de manejo das pragas. “As pragas primárias atacam os grãos íntegros ou sadios, perfurando-os e se alimentando do interior, o que causa danos econômicos. Já as pragas secundárias ocorrem em menor número e raramente exigem medidas de controle”, explica Kagi.

As principais pragas que afetam os grãos armazenados no país incluem o caruncho-dos-cereais (sitophilus zeamais), o besouro castanho (tribolium castaneum), o besourinho-do-fumo (lasioderma serricorne) e a traça-dos-cereais (ephestia kuehniella). “O caruncho é a principal praga do trigo, mas também pode atacar arroz, cevada e milho. Já o besouro castanho ataca cereais moídos, farinhas e grãos defeituosos, causando deterioração e prejuízos”, complementa Kagi.

Limpeza e fumigação são essenciais j363q

Para minimizar as perdas, é essencial que os produtores realizem a limpeza e fumigação dos locais de armazenamento. Unidades armazenadoras devem estar livres de insetos, fungos e roedores e manter condições adequadas de temperatura e umidade. A fumigação preventiva, utilizando inseticidas à base de fosfeto de alumínio, é recomendada para combater todas as fases de desenvolvimento dos insetos.

“A fumigação, feita com equipamentos de proteção, é crucial para controlar diferentes pragas, garantindo a qualidade dos grãos e a entrega de alimentos saudáveis”, afirma Kagi.

O post Pragas de armazenamento ameaçam até 10% dos grãos estocados no Brasil apareceu primeiro em Canal Rural.

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