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ISHS Acta Horticulturae 1244: XII International Mango Symposium

Fruit abortion of 'Guifei' mango (Mangifera indica L.) affected biosynthesis of carotenoid and polyphenols in pulp

Authors:   Z.C. Zhao, A.P. Gao, Y.Y. Chen, J.F. Huang, H.Y. Luo, Z.G. Dang, R.X. Luo
Keywords:   mango, fruit abortion, pulp quality
DOI:   10.17660/ActaHortic.2019.1244.22
Abstract:
To investigate the effects of embryo abortion on fruit size and weight, fruit quality, chlorophyll, carotenoid, anthocyanin, flavonoid, and total polyphenols, the seeded fruit of mango (Mangifera indica L.) cultivar 'Guifei' were compared at the ripe stage. Seedless fruit had significantly smaller fruit size and lower fruit weight than seeded fruit in the cultivar. The experimental results suggested that embryo abortion at early stages of fruit ripening did not affect the concentration of total polyphenols in the pulp of matured fruit at green color or yellow color stages. However, the chlorophyll level decreased with ripening, lower in the abortion mango than in the normal mango. Carotenoid content increased throughout yellow stage and was significantly higher in the normal fruit compared to the abortion fruit. The concentrations of flavonoid were lower in the abortion fruit compared with normal fruit in the same color fruit. The expression of PSY and PDS was increased from green to yellow in abortion and normal mango. Expression of ANS and DFR was higher in the green color mango, in different development stages, and lower at the abortion stage in the yellow mango.

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