Efeito da aplicação de fungicidas e inseticidas na cultura do milho para silagem
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Abstract
Corn silage is one of the main sources of roughage for beef and dairy cattle in Brazil. Its quality depends heavily on crop phytosanitary management, and the application of insecticides and fungicides can alter the plant's growth dynamics and consequently its bromatological composition. The objective was to evaluate the effect of different fungicide and insecticide applications on the bromatological composition and productivity of corn plants used for whole-plant silage production. The experiment was conducted at the Federal Institute of Education, Science and Technology of Minas Gerais – Bambuí Campus, using the DKB 356 hybrid, in a randomized block design with five treatments and four blocks. The levels of dry matter, crude protein, neutral and acid detergent fiber, ether extract, starch, total digestible nutrients, and productivity were evaluated. The results describe differences (p<0.05) between treatments regarding dry matter content, acid detergent fiber, and total digestible nutrients, indicating that the use of fungicides and insecticides is capable of altering the bromatological composition of whole-plant corn silage
