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Table 7 Mean values in proximate composition in nine selected sweetpotato genotypes and environments

From: Genotypic and environmental factors influence the proximate composition and quality attributes of sweetpotato (Ipomoea batatas L.)

  Group Days to maturity DMC (%) AC* TPC* CF* TSS (°Brix)
Genotype:  
 0113-671.VAL G1 120 33.71 ± 3.58de 4.51 ± 1.41bc 5.46 ± 2.79ab 3.75 ± 1.42b 8.98 ± 4.09b
 0113-657.VAL G1 120 32.67 ± 5.65e 3.86 ± 1.14 cd 4.5 ± 2.25b 4.52 ± 1.6ab 9.12 ± 4.38b
 0113-660.VAL G1 150 37.2 ± 4.64bcd 3.64 ± 0.75 cd 5.9 ± 1.87ab 3.83 ± 1.55b 10.54 ± 3.14b
 0113-668.VAL G1 120 34.53de ± 4.03c 3.85 ± 1.4 cd 5.14 ± 2b 4.1 ± 1.53ab 10.48 ± 2.29b
 0113-664.VAL G1 150 37.03 ± 5.84bcd 3.46 ± 0.88d 5.73 ± 2.07ab 3.78 ± 1.42b 10.5 ± 1.94b
 Criolla G1 120 38.77 ± 7.02abc 3.24 ± 0.39d 4.76 ± 1.49b 4.72 ± 1.92ab 11.05 ± 2.45b
 Criolla G1 150 41.5 ± 4.35a 3.33 ± 0.55d 5.32 ± 2.36ab 4.67 ± 1.68ab 11.13 ± 2.66b
 0113-672.COR G2 120 23.6 ± 4.32 g 5.52 ± 1.34a 6.42 ± 2.36ab 5.24 ± 1.54a 9.22 ± 1.61b
 0113-634.VAL G2 120 28.04 ± 3.82f 5.1 ± 1.46ab 7.2 ± 3.07a 4.56 ± 1.28ab 10.16 ± 1.88b
 0113-656.COR G3 150 38.86 ± 5.82ab 3.46 ± 0.72d 6.4 ± 2.44ab 4.39 ± 1.72ab 14.56 ± 3.53a
Environment:  
 Codazzi_2015    27.8 ± 7e 4 ± 0,8bcd 5.3 ± 2.2c 3.3 ± 1.3c 11.6 ± 1.3ab
 Corozal_2015B    32.8 ± 5.8bcd 4.7 ± 2.1bc 4.7 ± 2.2 cd 3.9 ± 1.2bc 11.7 ± 2.6ab
 Corozal_2016B    38 ± 9.4a 2.9 ± 0.6e 6 ± 1.5bc 4.7 ± 1.7ab 12.9 ± 2.8a
 Carmen-B_2015B    31.3 + 6cde 4.9 ± 0.7b 10.2 ± 1.3a 3.4 ± 0.9c 11.7 ± 2.1ab
 Carmen-B_2016B    36.5 + 4.6ab 4 ± 0.7bcd 6.8 ± 2.4b 4.9 ± 1.4ab 9.7 ± 1.7b
 Cerete_2015A    28.5 ± 4.9de 5.8 ± 2a 4.9 ± 1.4 cd 3.5 ± 0.9c 11.6 ± 4.8ab
 Cerete_2015B    31.4 ± 5.4cde 4.1 ± 1.2bcd 6.8 ± 1.2b 3.5 ± 1.1c 10.2 ± 3.3b
 Cerete_2016B    36 ± 5.5abc 3.8 ± 0.8 cd 3.8 ± 1.3d 5.3 ± 1.8a 6.7 ± 3.6c
 Tolu_2016B    36.9 ± 4.8ab 3.7 ± 0.8de 3.7 ± 1.1d 5.2 ± 1.6a 11.3 ± 2.1ab
  1. DMC dry matter content, AC ash content, CF crude fiber, TPC total protein content, TSS total soluble solids
  2. Groups correspond to previously described clusters obtained by HCA. Different letters show significant differences determined by Tukey’s test (p < 0.01); *g/100 g of dry weight
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