EFFECT OF GIBBERELLIC ACID AND BORON ON THE GROWTH AND YIELD OF TOMATO

Abstract

A field experiment was conducted at the Horticultural Farm of Sher-eBangla

Agricultural University, Dhaka from November, 2014 to March, 2015 to study the effect of GA and boron on the growth and yield of tomato, (CV- BARI Tomato-14). There were four concentrations of GA 3 viz. G 0 :0 ppm, G 1 :70 ppm, G 2 :90 ppm and G 110 ppm and three levels of boron viz. B 0 :0, B 1 :10 and B 2 :15 kg ha -1 3: . The experiment was laid out in a Randomized Complete Block Design with 3 replications and there were altogether 36 plots. Application of GA and boron significantly influenced the growth, yield and size of tomato. The highest yield (68.67 t/ha) was found from G 1 and the lowest yield

3 (53.63 t/ha) was obtained from G . Due to application of boron, the highest yield (67.32 t/ha) was obtained from B and lowest yield

(56.69 t/ha) was recorded from B . In case of combined effect, the highest yield (77.61 t/ha) was found from G (34.72 t/ha) was found from G 0 B 0 0 1 B 1 0 3 and lowest yield . Economic analysis raveled that G

gave the maximum benefit cost ratio (2.67). So, application of 70ppm GA

along with 10 kg boron /ha was the best for growth and yield of tomato.