|
Seventy species of Korean wild plants, whose flower colors were distributed from blue to red, were investigated to figure out the effects of co-pigments and pH on expression of flower color. Flower colors of dicotyledons were purple blue, pale blue purple, purple, pale red purple, red purple, and pale purple red, while those of monocotyledons were pale blue purple, purple, pale red purple, red purple, red, pale yellow red, and yellow red. Species which contained flavone were 51.4%. Flavonols were found only in 3 species of dicotyledons. Species that have both flavone and flavonol were not found in Korean wild plants investigated. Species without both tlavone and flavonol were 44.3%. Dicotyledons which contained either llavone or flavonol were 62%, while those of monocotyledon were 40%. These co-pigments have affected expression of flower color with purple blue and pale blue purple color, but petal pH did not affected expression of flower color. Petal pH of dicotyledons was broad, ranging 3.6-6.9, but that of monocotyledons was narrow, 4.6-6.0. There was no relationship between co-pigment content and petal pH.
|