In this study, 130 uniform ‘Flame Seedless’ grape trees were selected for and subjected to the same cultural practices. The sprayed three times, before flowering, during full bloom, weeks later with following treatments: control (water only), 250, 500, 750 ppm glycine; 50, 100, 150 folic acid (FA); 2%, 4%, 6% leaf moringa aqueous extract (MLAE); their combinations. High-performance liquid chrom...