Taking 3 pepper（Capsicum frutescens L.）varieties with peel colors of purple（‘245’），green
（‘246’），white（‘247’） as parents，this study crossed‘ 245×246’ and‘ 245×247’，then constructed 6
generations of genetic population. And by adopting visual grading plus chromatic meter analysis to measure the
L value，C value and color value of single commodity pepper plant peel color during maturity on generations of
P₁，P₂，F₁，F₂，B₁ and B₂. Their peel color inheritances were studied by the method of conjoint analysis on 6
generations. The results showed that the inheritance of fruit peel color traits of commodity maturity accorded with
the nucleus of genetic，and the major gene and polygene（D-2 model）inheritance of fruit peel color of commodity
maturity in the purple-green combination accorded with the additive and hybrid additive-dominance pattern，
that was D-2 model. Its L value，C value and color value of major gene heritability in F₂ of the purple-green
combination were 22.39%，91.39% and 82.26%，respectively. The major gene and polygene（E-0 model）
inheritance of fruit peel color of commodity maturity in the purple-white combination accorded with the additivedominance-
epitasis pattern.Its L value，C value and color value of major gene heritability in F₂ of the purplewhite
combination were 87.02%，94.34% and 97.54%，respectively. These results indicated that the major gene
heritability in F₂ was stronger，while the polygene heritability and environmental effect were weaker. So the fruit
peel color of commodity maturity breeding should be selected in the early generation.