Bruno Henrique MINGOTE JULIO, N. N. L. D. Parrella, C. V. Santos, K. J. Silva, Alexon Fernandes Campos, Iasmin Marrony Damasceno Reis, Paula Silva Mirante, Cícero Beserra de Menezes
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PHENOTYPIC SELECTION OF GRAIN SORGHUM RESTORER LINES
– This study aimed to select grain sorghum R lines based on grain yield and disease traits. The experiment consisted of 360 experimental R lines and two checks cultivars CMSXS180R and 9503062R. The experimental design used was of augmented blocks. The evaluated characteristics were plant height, days to flowering, thousand-grain mass, grain yield, and evaluation of leaf blight ( Exserohilum turcicum ) and anthracnose ( Colletotrichum graminicola ). In the analysis of variance, the interaction between Lines and checks was significant for all characteristics evaluated. All traits showed heritability above 70%, except a thousand-grain mass below 60%. In this work, the lines that obtained the best means were L57 and L74, considered earlier, with plant height ideal for grain and a high grain yield and resistance to foliar diseases.
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