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Table 6 Combined analysis and additive main effects and multiplicative interaction (AMMI) analysis of variance for selected quality traits in nine sweetpotato genotypes across nine environments

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

Effect Df. DMC AC TPC CF TSS
Genotype 9 694.61*** 15.42*** 23.90*** 5.43*** 75.29***
Environ. 8 414.98*** 18.82*** 113.57*** 21.24*** 117.20***
Genotype*environ. 57 39.85*** 2.02*** 3.98*** 3.84*** 12.49***
Residuals 161 6.66 0.34 1.52 1.24 2.33
PC1   128.4***(64.8%) 4.82***(53.8%) 10.09***(53.9%) 6.03***(34.3%) 23.43***(43.1%)
PC2   37.3***(16.5%) 3.10***(30.3%) 4.57***(21.4%) 6.26***(31.2%) 16.86***(27.1%)
  1. df degrees of freedom, AC: DMC dry matter content, ash content, CF crude fiber, TPC total protein content, Environ. environment
  2. The values correspond to the mean square in the evaluated traits. *** (p < 0.0001), ** (p < 0.001), * (p < 0.01)
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