Abstract:
The experiment was conducted in the Horticultural Farm of Sher-e-Bangla
Agricultural University, Sher-e-Bangla Nagar, Dhaka during the period
November, 2015 to April, 2016 to find out the effect of different levels of NAA
and GA
on growth and yield of tomato. The experiment consisted of two
factors: Factor A: Three levels of NAA viz. N
3
0
: 0 (control), N
: 25 ppm NAA
and N
2
: 50 ppm NAA. Factor B: Four levels of GA
3
viz. G
0
1
: control (no GA
);
G
1
: 50 ppm GA
3
; G
2
: 100 ppm GA
3
and G
3
: 150 ppm GA
. There were 12
treatment combinations. The experiment was laid out in Randomized Complete
Block Design with three replications. Due to the application of NAA, the
longest plant (97.75 cm at 60 DAT), the maximum dry matter of fruit (13.98%)
and the highest yield (78.80 t ha
-1
3
) and yield contributing characters were
recorded from N
2
. For the application of GA
, the longest plant (88.88 cm at 60
DAT), the maximum dry matter of fruit (13.35%) and the highest yield (68.64 t
ha
-1
3
) and other yield contributing parameters were recorded from G
. The
treatment combination of N
2
G
2
performs the highest yield (84.13 t ha
). So the
combination of 50 ppm NAA with 100 ppm GA
treatment is the suitable
combination for the better growth and yield of tomato.
