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Effect of Planting Dates on the Yield of Broccoli Genotypes

M. A. Hafiz
MS Student
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh

A. Biswas
Scientific Officer
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Jessore, Bangladesh;

M. Zakaria
Associate professor
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh

J. Hassan
Assitant professor
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh

N. A. Ivy
Associate professor
Department of Genetics and Plant Breeding, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh.

Abstract/ Executive Summary:

This experiment was conducted during September, 2011 to March, 2012 in the experimental field of Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur to find out the effect of planting date on the yield of broccoli genotypes. There were five genotypes viz. Early green, Forest green, Green calabrese, Premium crop and Green king and four planting dates viz. 2 October, 27 October, 21 November and 16 December. The treatment effects were statistically analyzed and found significant in most of the characters studied. Genotype Green calabrese was the highest in average plant height (53.70 cm). Green king produced the maximum spread diameter (69.23 cm), stem diameter (30.35 mm) and early initiation of floral head. Genotype Early green performed the best regarding head weight (343.87 g), yield per plant (477.4 g) and yield (19.10 t/ha). Broccoli planted on 21 November initiated early flower head, maximum head diameter (16.99 cm), head weight (314.49 g), yield per plant (453.64 g) and total yield (18.15 t/ha). The genotype Early green planted on 21 November showed the best performance in yield per plant (580.17 g) and yield hectare (23.21 t/ha).

Keywords: Broccoli genotype(s), Planting date, Yield.

Location: Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur

Start Date: 00-09-2011

End Date: 00-03-2012

Program Area: Crop-Soil-Water Management

Commodity: Broccoli

Objectives:

To find out optimum planting date and appropriate genotype for maximum yield of Broccoli.

Methodology:

The experiment was conducted at the Horticultural Research Farm, BSMRAU, Gazipur during September, 2011 to March, 2012. The location of the experimental site was at the centre of Madhupur Tract (24.09º N latitude and 90.26º E longitudes) at 8.5m above the sea level. The soil of the experimental field was silty clay of shallow Red Brown Terrace type under Salna Series of Madhupur Tract in agroecological zone (AEZ) 28. The soil contained pH of 6.4. There were four planting dates viz. 2 October, 27 October, 21 November and 16 December and five genotypes viz. Early green, Forest green, Green calabrase, Premium crop and Green king. The field experiment was laid out in a factorial Randomized Complete Block Design with three replications. The unit plot size was 4m x 1.5m. The genotypes of broccoli were collected from the market of Siddique bazaar of Dhaka. The land was manured and fertilized with N, P, K and Molybdenum as Cowdung, Urea, TSP, MoP and Molybdenum @ 1500, 210, 120, 100 and 1kg/ha, respectively. The entire amount of Cow dung, TSP, MoP and Molybdenum were applied at the time of final land preparation and the entire urea was applied as top dressing in two equal split at 15 and 30 days after transplanting. Healthy and uniform 30 days old seedlings were transplanted in the main field at each date of planting maintaining a spacing of 50 cm x 50 cm. Weeding, irrigation and other cultural practices were done as and when necessary. Data were recorded from randomly selected plants for individual plant performance and from total plot for per hectare yield. Collected data were statistically analyzed by MSTATC.

Source of Information: Bangladesh J. Agril. Res. 40(3): 465-478, September 2015, ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Considering yield contributing characters and yield potential of Broccoli, genotype Early green was found the best among the studied genotypes. 21 November was found to be the optimum date of planting for Broccoli. So the genotypes Early green should be planted on 21 November for maximum yield of Broccoli.

Knowledge Management: Journal