MAIZE CULTIVATION UNDER DIFFERENT MANUAL WEEDING PERIODS
DOI:
https://doi.org/10.28998/rca.21.12414Keywords:
Zea mays L., weed competition, development.Abstract
Maize crop development is directly related to the rapid emergence and uniform growth of plants, which can significantly assist in the competitive ability for resources such as water, light and nutrients, and competition with invasive plants can limit the physiological stages of plants, preventing their development. Given the above, this work aimed to evaluate maize cultivation under different manual weeding periods . The experiment was carried out in April 2019, at the “Sebastiana Augusta de Moraes” Technical School, using maize hybrid AG1051. The experimental design was in randomized blocks with five treatments, that is, weeding was carreied out at 0, 15, 30, 60 and 75 days after sowing and four replicates , totaling twenty plots. Weeds reduce maize development, and the ideal control time is up to 45 days after sowing. For parameters average height of insertion of the first cob, average number of leaves and average stem diameter , it was observed that the accumulation of invasive plants affects maize development up to 45 days after sowing, and from that moment on, there is competition between maize plants themselves.
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Copyright (c) 2023 Lucas Aparecido Manzani Lisboa, Pedro Henrique de Conde de Almeida, Karem Cristine Pirola Narimatsu, Ana Eliza sa Siva Lima
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