Genetic material

KB Karine C. Bernardino
MP Maria Marta Pastina
CM Cícero B. Menezes
SS Sylvia M. de Sousa
LM Laiane S. Maciel
GJ Geraldo Carvalho Jr
CG Claudia T. Guimarães
BB Beatriz A. Barros
LS Luciano da Costa e Silva
PC Pedro C. S. Carneiro
RS Robert E. Schaffert
LK Leon V. Kochian
JM Jurandir V. Magalhaes
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A population composed of 396 recombinant inbred lines (RILs, F10:11), derived from a cross between the sorghum lines, BR007 and SC283, was developed by single-seed descent [47] at Embrapa Maize and Sorghum (Sete Lagoas - MG, Brazil). Both BR007 (Redbine-type) and SC283 (sorghum converted guinea) were introduced into the Embrapa breeding program in 1972 from the Purdue Breeding Program (West Lafayette - IN, US). BR007 is Al sensitive whereas SC283 is highly tolerant to Al toxicity [33]. Previous studies indicated that, while SC283 has higher grain yield in a soil with low-P availability compared to BR007, the grain yield increase in BR007 in response to adequate P supply is in turn higher than in SC283 [48].

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