DESEMPENHO DE DIFERENTES HÍBRIDOS DE MILHO CONSORCIADO COM BRACHIARIA RUZIZIENSIS

Abstract

Brazil is the country that invests the most in the development of tropical hybrid corn cultivars, with research that aims to increase the protein content and evaluate the improvements that modifications can favor in large-scale production, and these hybrid seeds have shown greater yield potential due to genetic improvement work. This work was carried out with the objective of testing and evaluating the morphological, phytosanitary and productive parameters of four corn hybrids in intercropping with B. ruziziensis at field level, in commercial production. The experiment was carried out in the experimental area of MFG Agropecuária, in the municipality of Pereira Barreto/SP. Four corn hybrids with different characteristics were installed, namely NS71VIP3, NK503VIP3, NK501VIP3 and NK467VIP3, which were evaluated throughout the cycle, both implemented in intercropping with B. ruziziensis. All treatments in the experiment were subjected to the same fertilization procedures, following the results of soil analysis, with 200kg.ha-1 of the formula NPK 08-20-10 distributed in the planting furrow, and two top dressings were applied with 90kg .ha-1 of Potassium Chloride (60% K2O) + 125kg.ha-1 of Urea (45% N). All of these study materials were installed in the same experimental area, which was monitored to evaluate the incidence of pests and diseases in the crop. The NK501VIP3 hybrid stood out in several parameters compared to the others. However, it is worth highlighting that this test has a greater purpose of characterizing each material, rather than saying which material should be sown by the producer.