Floral volatile chemical diversity in Hedychium F1 hybrid population

生物 多样性(政治) 人口 植物 医学 人类学 环境卫生 社会学
作者
Yiwei Zhou,Farhat Abbas,Jingjuan He,Fulong Yan,Wang Qin,Yunyi Yu,Rangcai Yu,Yanping Fan
出处
期刊:Industrial Crops and Products [Elsevier BV]
卷期号:184: 115032-115032 被引量:15
标识
DOI:10.1016/j.indcrop.2022.115032
摘要

Floral scent profiles play crucial role in the ornamental values of cut flowers , and efficient floral scent profiling acquisition is a critical premise for quality assessment and genetic improvement of fragrant cut flowers. Despite the fact that cross breeding is an effective method for improving the fragrance of cut flowers, less focus has been paid on floral scent evaluation in cross populations due to the complexity of fragrance phenotype detection. In the current study, floral scent profile of Hedychium coronarium 'ZS', H . 'Jin' and their 110F 1 hybrid cultivars were evaluated. Headspace solid phase microextraction- gas chromatography-mass spectrometry (HS–SPME–GC–MS) identified 33 volatile organic compounds (VOCs), including 15 monoterpenoids, 7 sesquiterpenoids, 9 phenylpropanoids , 1 fatty acid derivative, and 1 other, while proton transfer reaction-time of flight-mass spectrometry (PTR–ToF–MS) detected 68 masses. Correlation analysis indicated that β -myrcene, α -terpinene, eucalyptol , ( E )- β -ocimene, cyclopentene, 3-isopropenyl-5, 5-, allo-ocimene, indole, isoamyl benzoate, ( E )- β -famesene, m / z 74.069 and m / z 118.069 played an important role in sensory concentration of Hedychium flowers fragrance. Furthermore, partial least squares (PLS) analysis of VOCs and masses revealed that 44 masses were highly sensitive to 21 VOCs (8 monoterpenoids, 6 sesquiterpenoids, 5 benzenoids/phenylpropanoids, 1 fatty acid derivative, and indole). Overall, the data showed that two mass spectrometric methodologies were highly complementary, revealing a novel and dynamic perspective on volatile complex diversity of Hedychium F 1 hybrid population cut flowers. • Floral scent profile of Hedychium F 1 hybrid population cut flowers were detected by HS–SPME–GC–MS and PTR–ToF–MS. • Floral scent of Hedychium F 1 hybrids cut flowers have obvious changes. • Multivariant analysis confirmed the complementarity and correspondence between chromatographic and direct injection method in floral scent determination.
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