Maitra and Roychowdhury
Effect of plant growth regulators on petiole length of anthurium
(cm)
treatments
9 th
10 th
11 th
12 th
13 th
14 th
15 th
16 th
month month month month month month month month
T 0
20.00
19.67
26.13
20.93
24.80
27.00
25.90
27.53
T 1
17.33
17.67
21.90
17.00
23.80
25.63
20.53
27.73
T 2
18.67
19.00
22.30
20.23
22.63
23.13
23.67
24.67
T 3
19.67
20.67
22.97
15.83
25.60
27.10
27.37
27.73
T 4
15.50
16.00
27.33
14.40
18.83
19.60
22.37
22.83
T 5
19.00
18.33
19.57
18.33
21.07
22.33
25.33
27.10
T 6
10.50
11.00
14.90
10.23
14.10
12.33
16.60
16.47
S. Em ±
1.74
1.57
1.93
2.03
2.53
2.39
2.34
2.66
C.D. at 5%
5.35
4.83
5.95
6.24
N.S.
7.36
N.S.
N.S.
(contd…..)
Effect of plant growth regulators on petiole length of anthurium
(cm)
treatments
17 th
18 th
19 th
20 th
21 st
22 nd
23 rd
24 th
month month month month month month month month
T 0
27.77
23.13
23.83
25.33
25.50
25.67
27.00
30.63
T 1
28.60
23.33
24.00
24.67
24.33
24.83
24.00
27.63
T 2
25.37
21.33
22.50
21.67
21.67
22.17
24.33
27.03
T 3
28.93
25.00
26.00
25.50
25.17
25.00
26.00
26.60
T 4
22.17
20.00
19.33
20.67
22.33
21.00
14.83
17.30
T 5
28.80
22.67
22.67
24.00
23.00
23.00
21.67
26.10
T 6
18.43
15.67
15.50
16.00
16.00
16.33
16.33
18.33
S. Em ±
2.85
2.33
2.51
2.11
2.07
2.15
2.95
3.69
C.D. at 5%
N.S.
N.S.
N.S.
N.S.
N.S.
N.S.
N.S.
N.S.
Number of side-shoots per plant
Increase in the concentration of BA resulted in the increase in the number of side-
shoots per plant but the effect of GA 3 showed the reverse (Table 5). The mixture of
GA 3 and BA produced inhibitory effect on the side shoot production of anthurium.
The pooled result showed BA 1000 ppm (T 2 ) as the most effective regarding side-
shoot production (5.67) which was statistically at par with GA 3 500 ppm (T 3 ) (4.83
side-shoots/plant). BA 500 ppm (T 1 ) (4.50) and GA 3 1000 ppm (T 4 ) also produced
better results (3.67) than the control plants (3.33 side-shoots/plant). The lowest
48
Int. J. Bioinformatics and Biological Sci.: v.2 n.1&2, p. 41-53. March & June 2014