S20 - Session P2 - Effect of amino nano-fertilizer on berries growth of Lebanese traditional table grape

Authors: Youssef Sassine *, Narjes Jamal AlDine, Kiril Popov, Ali Atrach, Israa El Masri

Amino acids can directly or indirectly influence the physiological activities responsible for plant growth and development. The foliar application of amino acid fertilizers on grapevines increased its yield and enhanced the vegetative growth of vines. Consequently, the current study aimed to investigate the effect of Amino Nano-fertilizer on berry growth of the traditional table grape cultivar "Tfiefihi". The nano-fertilizer product was applied twice with two concentrations. Experimental treatments were: no product (control), Biozar Amino Ca 3 g L -1 , and Biozar Amino Ca 5 g L -1 . Veraison date, average weight and diameter of 20 berries, titratable acidity (TA), pH and juice content were the recorded indicators. Similar veraison dates to the control were recorded after application of Biozar Amino Ca 3 g L -1 . Biozar Amino Ca 5 g L -1 hastened veraison by 7 days compared to the control. Biozar Amino Ca increased average weight of 20 berries by 14 and 9.4 g when applied with 5 and 3 g L -1 respectively. The berries' diameter and pH were similar in all treatments. Biozar Amino Ca recorded the lowest titratable acidity when applied with 5 g L -1 and the highest with 3 g L -1 . Biozar Amino Ca with concentration 5 g L -1 seems to improve berry growth of table grapes and to hastened veraison date, thus it is considered effective Amino nano-fertilizer for enhancing traditional table grape cultivar "Tfiefihi".