... 1.15, 2.91, 7. 54, 16.01, 20.33, 21.16, 14. 91, 6.65, 4. 07, 2.29, 1.83, 0 .48 , 0.52 and 0.10 among 15,097 accessions in RWC, and 0, 0. 24, 1.26, 4. 56, 10 .43 , 23.38, 27 .40 , 13.73, 9.53, 3. 54, 2.82, 1.50, ... nel wid t h ( mm)%05101520253035 40 4 5 345 678910Kernel length (mm)% Food Production – Approaches, Challenges and Tasks 252 Fig. 4. Cluster analysis of geographic regions ... tolerance. Braz. J. Genet., 4, 579–5 84 Food Production – Approaches, Challenges and Tasks 242 von Uexküll, H. R. & Mutert, E. (1995). Global extent, development and economic impact of acid...