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The anthracnose, caused by Glomerella cingulata (anamorf Colletotrichum gloeosporioides), is the most important fungal disease for aerial parts of yellow passionfruit. However, few studies about anthracnose control in field conditions have been published. The objective of this research was to evaluate silicate clay and fungicides for anthracnose control. Treatments evaluated were: tebuconazole (20g i.a./100L), copper oxychloride (180g i.a./100L), silicate clay (15g /L) and control (untreated plants). The sanity of the plants was evaluated through area under disease progress curve (AUCPD), final severity (SEVF) and disease progress curves. Experimental design was completely randomized with five repetitions. Tebuconazole and silicate clay proportioned significant reduction for AUCPD and SEVF compared to control. Copper oxychloride reduced only SEVF. Treatment with tebuconazole reduced AUCPD and SEVF in 75% and 71%, and silicate clay in 82%, respectively. Copper oxychloride reduced SEVF in 76%. The disease progress curves confirmed results and showed lower growth of anthracnose for tebuconazole and silicate clay. Silicate clay and tebuconazole are efficient to control anthracnose in passionfruit.A antracnose, causada por Glomerella cingulata (anamorfo Colletotrichum gloesporioides), é a principal doença fúngica de parte aérea do maracujazeiro amarelo. Todavia, poucos estudos de controle da doença a campo têm sido publicados, motivo pelo qual é importante avaliar diferentes fungicidas e substâncias alternativas para o manejo da antracnose. Neste trabalho foram avaliados os seguintes tratamentos: tebuconazole (20g i.a./100L), oxicloreto de cobre (180g i.a./100L), argila silicatada (15g /L) e testemunha. A partir da avaliação da severidade da doença, determinou-se a área abaixo da curva de progresso da doença (AACPD), severidade final (SEVF) e as curvas de progresso da doença. O delineamento adotado foi inteiramente casualizado com cinco repetições. Tebuconazole e argila silicatada proporcionaram os melhores resultados no controle da doença pela redução significativa da AACPD e SEVF em relação à testemunha. Oxicloreto de cobre diferiu da testemunha apenas para SEVF. Tratamento com tebuconazole reduziu AACPD e SEVF em 75% e 71%, e argila silicatada em 82% as variáveis, respectivamente. Oxicloreto de cobre reduziu SEVF em 76%. As curvas de progresso da doença corroboram os resultados pelo menor crescimento da antracnose para tebuconazole e da argila silicatada. O Tebuconazole e a argila silicatada são eficientes no controle da antracnose do maracujazeiro

Fungicidas e argila silicatada no controle da antracnose do maracujá amarelo