Abstract:
The experiment was conducted in the Horticultural Farm of Sher-e-Bangla
Agricultural University, Dhaka, Bangladesh during the period from April, 2007 to
January, 2008. The experiment considered with two factors; Factor A: Three Bulb size
i.e. small (B1:1-l.5 cm), medium (B2 :> 1.5-2.0 cm) and large (B3 :> 2.0-2.5 cm) in
diameter; Factor B: Four levels of Phosphorus fertilizer i.e. F0: 0 kg, F1: 120 kg,
Fi: 140 kg, F3: 160 k~~~ respectively. The experiment was laid out in Randomized
Complete Block Design (RCBD) with three replications. In case of bulb size, B3
produced tallest tuberose plant (55.32 cm), highest length of flower stalk (80.04 cm)
B1 gave the lowest results in all and highest number of floret/spike (35.71) and
cases. In case of phosphorus fertilizer tallest tuberose plant (55.4 cm), highest length
of flower stalk (74.9cm) and highest number of floret/spike (31.6) was recorded in F2
and lowest results in control. For interaction effect the tallest tuberose plant (58. l cm),
highest length of flower stalk (81.73cm) and highest number of floret/spike (39.5) was
recorded in B3F2. So large size bulb with 140 kg P205/ha is best for growth and
flowering of tuberose.
