2013•Xibei zhiwu xuebaoRequires access

Fruit Coloration and Expression of Some Related Genes in Peach with External ABA Treatment

Guo Le

Abstract

ABA solutions of 1 000,500 and 300mg/L,respectively,were applied on‘Meixiang'peach before coloring for investigation of the influence of ABA on fruit coloration and the expression of genes which is related to anthocyanin synthesis.The results showed that ABA significantly affect the mass fraction of soluble solid contents in flesh and increase the content of anthocyanin in skin.High concentration of ABA(1 000mg/L)obviously improve skin coloration.In addition,ABA treatment also up-regulated CHSand DFR expression,and significantly accelerated UFGT and LDOX expression.The results indicated that ABA might be involved in the regulation of anthocyanin accumulation in peach,and improve the level of anthocyanin accumulation in peach.

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Key concepts: Anthocyanin, Flesh, Abscisic acid, Horticulture, Gene, Gene expression, Botany, Chemistry