Potenciais agentes de controle biológico de plantas espontâneas em agroecossistemas no estado do Paraná

• Main Authors: Henrique von Hertwig Bittencourt, Gilmar Franzener
• Format: Article
• Language: English
• Published: Grupo Verde de Agroecologia e Abelhas (GVAA) 2014-05-01
• Series: Revista Verde de Agroecologia e Desenvolvimento Sustentável
• Online Access: http://www.gvaa.com.br/revista/index.php/RVADS/article/view/2010

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mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} </style> <![endif]--> <!--StartFragment--><p class="MsoNormal" style="text-align: justify; text-justify: inter-ideograph;"><span style="font-family: 'Times New Roman';">Esta revisão de literatura teve como um dos objetivos realizar o levantamento de agentes de controle biológico aplicado utilizados no manejo de algumas das principais espécies de plantas espontâneas que ocorrem nos agroecossistemas do estado do Paraná. No total foram levantadas 36 espécies diferentes que controlaram 5 espécies de plantas espontâneas: picão-preto (<em>Bidens pilosa</em>), flor-roxa (<em>Echium plantagineum</em>), guanxuma (<em>Sida rhombifolia</em>), grama-seda (<em>Cynodon dactylon</em>) e leiteiro (<em>Euphorbia heterophylla</em>). Outro objetivo foi registrar a ocorrência de controle biológico natural de leiteiro (<em>E. heterophylla</em>) em lavouras de soja pelo mandarová (<em>Erinnyis ello</em>), na região Sudoeste do Paraná. Apesar da inexistência de registros de programas de controle biológico de plantas espontâneas o Brasil conta com grande potencial para o desenvolvimento de trabalhos nesta área importante para a expansão da agricultura orgânica.</span></p><!--EndFragment-->