Analysis of Physiological and Biochemical Factors Affecting Flower Color of Herbaceous Peony in Different Flowering Periods

被引：12

作者：

Zhang, Dongliang ^{[1
]}

Xie, Anqi ^{[1
]}

Yang, Xiao ^{[1
]}

Yang, Lijin ^{[1
]}

Shi, Yajie ^{[1
]}

Dong, Lingling ^{[1
]}

Lei, Fuling ^{[1
]}

Sun, Limin ^{[2
]}

Bao, Mingyue ^{[1
,3
]}

Sun, Xia ^{[1
]}

机构：

[1] Shandong Agr Univ, Coll Hort Sci & Engn, Daizong St 61, Tai An 271018, Peoples R China

[2] Shandong Agr Univ, Coll Forestry, Daizong St 61, Tai An 271018, Peoples R China

[3] Yangzhou Univ, Coll Hort & Landscape Architecture, Yangzhou 225009, Peoples R China

来源：

HORTICULTURAE | 2023年 / 9卷 / 04期

关键词：

herbaceous peony; flower color; microstructure; anthocyanin; ANTHOCYANINS; BIOSYNTHESIS; FLAVONOIDS; GENES;

D O I：

10.3390/horticulturae9040502

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

Herbaceous peony (Paeonia lactiflora Pall.) is a famous ornamental plant, and the study of its flower color is of great significance for cultivating new flower varieties. To explore the factors driving the formation and change of herbaceous peony flower color, we selected five herbaceous peony varieties at four flowering stages to determine the change in flower color, petal area, and microstructure. We also examined the composition and content of petal pigments, soluble sugar and soluble protein content, pH value of cell fluid, and water content. Finally, we analyzed the correlations between each factor. We found that Pn3G5G, Pg3G5G, and Cy3G5G were the main anthocyanin components in red and purple petals. Qu3G, Qu7G, Is3G, and lutein play important roles in yellow petal formation. The change in herbaceous peony flower color during the flowering process is directly caused by changes in the anthocyanin and carotenoid content in petals. In addition, changes in other physiological indices also influence the change in flower color. This study explored the physiological and biochemical factors affecting the color of herbaceous peony petals, which has an important practical significance for studying the physiological mechanism of herbaceous peony flower color formation and color breeding of new flowers.

引用

页数：22

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