Abstract
ABSTRACT The goal of the study was to test the effects of combined weeding and gliricidia (Gliricidia sepium) intercropping for weed control in baby corn and green corn production. A completely randomized block design was employed, with split-plot and four replicates. Hybrids AG 1051 and BR 205 were subjected to the following treatments: A = two hoeings, 20 and 40 days after sowing (DAS); B = hoeing at 20 DAS + gliricidia intercropping following weeding; C = gliricidia intercropping established at the moment of corn sowing (GICS) + hoeing at 40 DAS; D = GICS; E = no weeding. Gliricidia was broadcast sown with 30 viable seeds m-2. The best treatments follow the order A > B > C as number of ears, fresh mass of ears with husks, fresh and dry masses of ears without husks for baby corn, and number of ears, fresh mass of ears with husks, fresh and dry masses of ears without husks for green corn. The worst results are observed for treatments D and E. Treatment D is only better than treatment E for the number of marketable ears without husks. No differences in the yields of immature ears exist between the hybrids.
Highlights
Immature corn ears, i.e., ears in which grains have not reached physiological maturity, are consumed in two forms: baby corn and green corn
Broadcast sowing of gliricidia is much faster and easier than hoeings. These results indicate the need to test the combination of hoeings together with gliricidia intercropping for weed control on baby corn and green corn productions
The highest number of baby corn ears was obtained for the treatment with two hoeings; the lowest number was recorded for intercropping with gliricidia sown at the moment of corn sowing
Summary
I.e., ears in which grains have not reached physiological maturity, are consumed in two forms: baby corn and green corn. Baby corn is corn ear without husks, harvested two to three days following the emergence of the style-stigma. Baby corn is consumed as a vegetable, raw or canned, and its production is advantageous because baby corn possesses added value and diversifies the cultivation of corn crops (ALMEIDA et al, 2005). Green corn (Zea mays L.) ears are ears harvested when the grains exhibit a water content between 70 and 80%. Green corn is highly appreciated by Brazilians, who consume it raw, roasted or boiled, or as an ingredient in various dishes. Green corn garners higher prices than dry corn grain
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