The Synergistic Effects of Using Silicon with Some Vitamins on Growth and Fruiting of Flame Seedless Grapevines

摘要

Flame seedless grapevines treated during 2012 and 2013 seasons with potassium silicate at 250 ppm either singly or in various combinations with vitamins K & E & D & A & B₁₂ each at 50 ppm and C at 500 ppm as an attempts for promoting berry weight and colouration of clusters. Each vine was sprayed four times. Spraying silicon and or these vitamins was superior than the control treatment in improving growth, yield and quality of the berries. Using vitamins was favourable than using silicon in this respect. Using silicon in combined with these vitamins surpassed the use of vitamins alone in this respect. A remarkable promotion on both berry weight and cluster colouration was observed with using silicon and/ or vitamins. Carrying out four sprays of a mixture of vitamins K & E & D & A & B₁₂ each at 50 ppm and C at 500 pm besides potassium silicate at 250 ppm is suggested to be beneficial for promoting berry weight and cluster colouration of Flame seedless grapevines.