Correlations among Petal Color, pH, and Epidermal Cell Morphology of Ornamental Crabapple

HE Na; YANG Yifan; JIANG Hao; PENG Qin; WEI Ziqiu; ZHANG Wangxiang

doi:10.19303/j.issn.1008-0384.2021.09.005

Volume 36 Issue 9

Sep. 2021

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HE N, YANG Y F, JIANG H, et al. Correlations among Petal Color, pH, and Epidermal Cell Morphology of Ornamental Crabapple [J]. Fujian Journal of Agricultural Sciences，2021，36（9）：1025−1032 doi: 10.19303/j.issn.1008-0384.2021.09.005

Citation:

HE N, YANG Y F, JIANG H, et al. Correlations among Petal Color, pH, and Epidermal Cell Morphology of Ornamental Crabapple [J]. Fujian Journal of Agricultural Sciences，2021，36（9）：1025−1032 doi: 10.19303/j.issn.1008-0384.2021.09.005

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Correlations among Petal Color, pH, and Epidermal Cell Morphology of Ornamental Crabapple

doi: 10.19303/j.issn.1008-0384.2021.09.005

HE Na^1
,,
YANG Yifan²,
JIANG Hao¹,
PENG Qin¹,
WEI Ziqiu¹,
ZHANG Wangxiang^{1, 3
,
,}

1.
College of Forestry, Nanjing Forestry University, Nanjing, Jiangsu　210037, China
2.
Changzhou Environmental Monitoring Center, Changzhou, Jiangsu　213000, China
3.
Yangzhou Crabapple Horticulture Co., Ltd., Yangzhou, Jiangsu　225200, China

Received Date: 2021-06-04
Rev Recd Date: 2021-07-02

Available Online: 2021-10-23

Publish Date: 2021-09-28

Abstract

Abstract

Objective Correlations among the color, pH, and epidermal cell morphology of petals of ornamental crabapple flowers were preliminarily analyzed. Method Colors of the petals of 14 varieties of white, reddish purple, pink, and dark-purple crabapples at blooming, big-bud, full-bloom, and end florescence stages were measured by RHSCC and a chromatic meter. Morphology of petal epidermal cells was examined under a scanning electron microscope. Correlations among these properties were statistically analyzed. Result The white and pink lines of crabapples had a petal pH ranging from 5.24 to 6.37, while the dark-purple and reddish purple lines, from 4.98 to 5.53. In general, the pH declined as the color turned from light or white to dark or reddish purple and the colorimeter red-green a^* and saturation C^* measurements increased. A similar trend was also observed during the flowering process. Aside from the dark-purple variety, the other 3 crabapple series had petal epidermal cells of varied types and, in florescence, the cells became more noticeably flattened as the petal color faded. Conclusion There appeared to be correlations among the pH of petals and the formation and fading of flower color on the 14 ornamental crabapple varieties. The petal epidermal cell morphology did not significantly correlate to the flower color phenotype but possibly to the color fading in florescence of the plants.
- Ornamental crabapple,
- flower color,
- epidermal cell,
- pH

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References(28)

References

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