MORPHOLOGICAL DEVELOPMENT OF SOYBEAN CULTIVARS UNDER IRRIGATION LEVELS
DOI:
https://doi.org/10.36725/agries.v12i2.11575Keywords:
water deficit, flowering, genotypes, deficit irrigationAbstract
Water availability directly influences soybean growth and development, especially during the reproductive period, when the crop becomes more sensitive to water restriction. In this context, the present study aimed to evaluate the morphological characteristics of six soybean cultivars subjected to two water availability conditions. The experiment was conducted under protected environment conditions in the municipality of Cuiabá, MT, in the first half of 2021. A completely randomized design was used in a 6 × 2 factorial scheme, composed of six soybean genotypes (TMG 4182, RSF 80I79, NS 6906 IPRO, DM 82I78 IPRO, NK 7201 IPRO, and TMG 2776 IPRO) and two irrigation depths (400 and 200 mm), with 12 replications. Water deficit was imposed from the R1 stage and maintained until R8. Plant height, root length, fresh mass, and dry mass were evaluated. Data were subjected to analysis of variance (5%) and means were compared by Tukey’s test
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