Desempenho de genótipos de feijoeiro comum, grupo cranberry, no inverno, em Uberlândia.

Abstract

The common bean (Phaseolus vulgaris L.) is one of the most economically and socially important herbaceous legumes in the world. It also plays a crucial role in human nutrition as a rich source of proteins, vitamins, and iron. Therefore, this study aimed to evaluate common bean genotypes from the cranberry group regarding their cultivation and usage values during the winter season. The experiment was conducted at the Água Limpa Experimental Farm in Uberlândia, MG, Brazil. The study followed a randomized block design (RBD) with 13 treatments and three replications, totaling 39 plots. Each plot consisted of four rows, each 4 meters long, with a spacing of 0.5 meters, resulting in a total area of 8 m². The evaluated genotypes were CNFCR 20652, CNFCR 20653, CNFCR 20654, CNFCR 20655, CNFCR 20656, CNFCR 20657, CNFCR 20658, CNFCR 20659, CNFCR 20660, CNFCR 20661, IAC NUANCE, BRS FS305, and the control BRS EXECUTIVO. The analyzed variables included number of pods per plant, number of grains per pod, 100-grain weight (g), and yield (kg ha⁻¹). Topdressing fertilization was performed using ammonium sulfate in two applications of 200 kg/ha. Irrigation was carried out by a sprinkler system using rotating sprinklers. Harvesting took place at the R8-R9 phenological stages. The obtained data were subjected to analysis of variance (ANOVA) using the F-test, and mean comparisons were performed using the Scott-Knott test at a 5% significance level. The results indicated that, for the number of pods per plant, only the genotypes CNFCR 20661 and the control BRS EXECUTIVO were statistically inferior to the others. In the number of grains per pod evaluation, no statistical differences were observed among the genotypes. Regarding the 100-grain weight, the genotypes BRS FS305 and the control BRS EXECUTIVO were superior to all others. Finally, in the yield (kg ha⁻¹) evaluation, the genotypes BRS FS305, CNFCR 20660, and CNFCR 20658 were statistically superior to the others.