“…The results were in line with Heshi et al, (2001), Khayyat et al, (2012), Thirupathi and Ghosh (2015) and Hamouda et al, (2015) in pomegranate, Dalal et al, (2017) and Vijay et al, (2016) in sweet orange cv. Jaffa, Manivannan et al, (2015) in guava, Altindisli et al, (1999) in grapes, Yadav et al, (2014) in berand Baiea et al, (2015) in mango. Also, it was reported that a positive correlation exists between potassium concentration and anthocyanin content which play a crucial role in anthocyanin synthesis through increasing the translocation of sugars into fruits, as well as acting as a cofactor and stimulator of some enzymes like UDPgalactose: flavonoide-3-o-glicosyl transferase.…”