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Acta Horticulturae Sinica ›› 2021, Vol. 48 ›› Issue (10): 1873-1884.doi: 10.16420/j.issn.0513-353x.2021-0519

• Research Papers • Previous Articles     Next Articles

The Impact of Tepal Structure and Pigment Composition on the Flower Colour of Lily

WANG Qing1, LÜ Tong2, LÜ Yingmin1,**()   

  1. 1College of Landscape Architecture,Beijing Forestry University,Beijing 100083,China
    2Plant Institute,Beijing Botanical Garden,Beijing 100094,China
  • Received:2021-07-19 Revised:2021-08-30 Online:2021-10-25 Published:2021-11-01
  • Contact: LÜ Yingmin E-mail:Luyingmin@bjfu.edu.cn

Abstract:

Twenty-seven lily cultivars of seven colour group were used to analyze the lily tepal structure,the pigments exist in upper and lower epidermis of lily tepals. The upper and lower epidermal cells are irregular rectangular in most of the lily cultivars while some epidermal cells present closely regular polygon that contain anthocyanin. At the same time,tepal spots contained anthocyanins. Sixty-one lily cultivars and two wild species of seven colour group were used to analyze the tepal pigment composition,twenty-three kinds of flavonoid compounds,one kind of anthocyanin ( cyaniding-3-O- rutinoside ) and ten carotenoids ( 9Z-violaxanthin,antheraxanthin,9Z-antheraxanthin,mutatoxanthin,capsanthin,lutein,zeaxanthin,β-cryptoxanthin,β-carotene,and 9Z-β-carotene ) were identified by HPLC-QTOF-MS from lily tepal. The lily tepal all contained flavonoids. White tepal mainly contained flavonoids and some cultivars had a tiny amount of carotenoids. Red tepal contained anthocyanins,carotenoids and flavonoids while carotenoids and anthocyanins were the main pigment,flavonoids served as co-pigment. Purple-red and pink tepal contained anthocyanins and flavonoids while yellow and orange tepal mainly contained carotenoids.

Key words: lily, tepal structure, flower color, pigment

CLC Number: