Volatile composition, emission pattern, and localization of floral scent emission in crabapple (Malus)

IF 3.9 2区农林科学 Q1 HORTICULTURE Scientia Horticulturae Pub Date : 2025-02-01 DOI:10.1016/j.scienta.2025.114000

Qin Peng , Limeng Zhou , Junjun Fan , Jianhua Yue , Qinqin Xiong , Dening Duan , Wangxiang Zhang , Fangyuan Yu

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引用次数: 0

Abstract

Floral scent holds considerable ecological and industrial significance. Frequently cultivated crabapples are scentless and little research has been done on their aromatic properties, which has impeded the ecological and industrial exploration of fragrant crabapple cultivars. M. 'Lollipop', M. 'Hydrangea' and M. 'Prairie Rose' crabapple cultivars, known for their strong floral scent, high resistance and consistent flowering period, were selected to investigate their volatile composition, emission patterns, and floral scent emission localization. Gas chromatography-mass spectrometry analysis identified four primary groups of floral compounds in the three ornamental crabapple cultivars: aliphatic compounds (34 types, 47.88 %), benzenoids/phenylpropanoids (18 types, 25.35 %), terpenes (12 types, 16.90 %), and miscellaneous compounds (7 types, 9.86 %). M. 'Prairie Rose' exhibited the highest diversity of unique compounds, predominantly terpenes. Floral scent emission peaked during the flowering stage (S3) across three crabapples. Dissimilarity coefficient analysis revealed that petals significantly contributed to the overall floral scent in M. 'Lollipop' and M. 'Hydrangea'. Scanning electron microscopy demonstrated that the entire petal functions as a large aromatic gland in three crabapples. These findings provide valuable insights for breeding and industrial applications of fragrant ornamental crabapples.

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来源期刊

Scientia Horticulturae 农林科学-园艺

CiteScore

8.60

自引率

4.70%

发文量

796

审稿时长

47 days

期刊介绍： Scientia Horticulturae is an international journal publishing research related to horticultural crops. Articles in the journal deal with open or protected production of vegetables, fruits, edible fungi and ornamentals under temperate, subtropical and tropical conditions. Papers in related areas (biochemistry, micropropagation, soil science, plant breeding, plant physiology, phytopathology, etc.) are considered, if they contain information of direct significance to horticulture. Papers on the technical aspects of horticulture (engineering, crop processing, storage, transport etc.) are accepted for publication only if they relate directly to the living product. In the case of plantation crops, those yielding a product that may be used fresh (e.g. tropical vegetables, citrus, bananas, and other fruits) will be considered, while those papers describing the processing of the product (e.g. rubber, tobacco, and quinine) will not. The scope of the journal includes all horticultural crops but does not include speciality crops such as, medicinal crops or forestry crops, such as bamboo. Basic molecular studies without any direct application in horticulture will not be considered for this journal.