M. A. Hossain
Scientific Officer
IWM Division, BARI, Gazipur
M. A. T. Masud
Seniror Scientific Officer
HRC, BARI, Gazipur
M. S. Rahman
Scientific Officer
IWM Division, BARI, Gazipur
An experiment was conducted at the research field of IWM Division, BARI, Gazipur during the rabi seasons of 2004-2005, 2005-2006 and 2006-2007 to find out the irrigation interval and amount of irrigation water needed for optimum yield of bottle gourd (BARI advanced line, BG-8-3-1-1-1-11-12). Six different irrigation options including a non-irrigated one (control) were used. The highest yield was obtained as 36.11 t/ha, 21.57 t/ha and 33.02 t/ha by applying irrigations at 5 days interval amounting 667.0 mm water with 13 irrigations, 426.0 mm of water with 11 irrigations and 502.0 mm of water with 9 irrigations in 2004-2005, 2005-2006 and 2006-2007, respectively. The second highest yield was obtained as 28.45 t/ha,18.17 t/ha and 31.12 t/ha by applying irrigations at 10 days interval amounting 485.0 mm, 339.0 mm and 428.0 mm water with 7, 6 and 5 irrigations, respectively. From the study, irrigation at 5 days interval was found suitable for optimum yield of bottle gourd.
Bottle gourd, irrigation interval, optimum yield, irrigation water
IWM division, Joydebpur, Gazipur
Crop-Soil-Water Management
The present study was undertaken to determine the appropriate irrigation scheduling for higher yield of bottle gourd.
The experiment was conducted on bottle gourd (Advanced line, BG-8-3-1-1-1-11-12) at the research field of IWM Division, BARI, Joydebpur during rabi seasons of 2004-2005 to 2006-2007. Six treatments including a control were designed for the experiment. Each treatment was replicated thrice. Each plot size was 4.0m × 4.0m. The soil was silty clay loam with an average bulk density of 1.5 gm/cc and field capacity of 28 percent (by weight basis). The experiment was laid out in a randomized complete block design. Seeds were shown on 26 October 2004, 30 October 2005 and 15 October 2006 to produce seedlings and these were transplanted in experimental plots on 10 November 2004, 21 November 2005 and 08 November 2006, respectively. Fruits were harvested from 6 February 2005, 5 February 2006 and 12 February 2007. Harvesting of fruits continued upto 28 February 2005, 02 March 2006 and 22 March 2007. Fertilizers were applied at the rate of 12, 20, 10, 1.0, 0.5 gm per pit of P, K, S, Zn, B, respectively. Cow-dung was applied at the rate of 10 kg/pit. Nitrogen (N) at the rate of 37 gm/pit and phosphorus (P) at the rate of 30 gm/pit were applied twice as top dress. Soil moisture was determined before each irrigation by gravimetric method. Irrigation was applied upto the field capacity of the soil. Data in respect of yield and yield contributing parameters viz. fruit weight, length, breadth, no. of fruits/plant and total yield were recorded.
The treatments were:
T1 = No irrigation (control)
T2 = Irrigation at 5 days interval from crop establishment
T3 = Irrigation at 10 days interval from crop establishment
T4 = Irrigation at 15 days interval from crop establishment
T5 = Irrigation at 20 days interval from crop establishment
T6 = Irrigation at 25 days interval from crop establishment
BARI Research Annual Report 2006-2007
From three years’ study, it reveals that irrigation applied at 5 days interval is the most suitable for optimum yield of bottle gourd. So, in normal rainfall years, the practice should be 5 days interval of irrigation but in excessive rainfall years, the interval may be increased from 5 to 10 days.