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Growth and Yield of Broccoli (brassica Oleracea Var. Italica L.) to Different Planting Times

S.A. Shapla
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

M.A. Hussain
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

M.S.H Mandal
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

H. Mehraj
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

AFM Jamal Uddin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Abstract/ Executive Summary:

The study was conducted at the Horticulture Farm of Sher-e-Bangla Agricultural University, Bangladesh during the period from October 2011 to March 2012. The experiment consisted three different planting times as T₁: Planting at 3^rdNovember, 2011; T₂: Planting at 18^th November, 2011 and T₃: Planting at 3^rd December, 2011 using Randomized Complete Block Design with three replications. Maximum weight of primary curd/plant (427.8 g), diameter of primary curd (10.1 cm), weight of secondary curd (66.8 g), dry matter content of leaves (13.6 g), yield/plot (9.9 kg) and yield (10.6 t/ha) was found from T₂ while minimum from T₃ . So, planting at 18^th November was better for the broccoli production in Bangladesh.

Keywords: Broccoli, Planting times, Growth and yield.

Location: Horticulture Farm, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Start Date: 00-10-2011

End Date: 00-03-2012

Program Area: Crop-Soil-Water Management

Commodity: Broccoli

Objectives:

To observe the effect of planting time for achieving optimum growth and yield of broccoli.

Methodology:

The experiment was conducted at Horticulture Farm o f Sher-e-Bangl a Agricultural University, Dhaka, Bangladesh during the period from October 2011 to March 2012 to study the effect o f planting time on growth and yield o f broccoli. Experiment consisted three different planting times viz. T₁: Planting at 3^rdNovember, 2011; T₂: Planting at 18^th November, 2011 and T₃: Planting at 3^rd December, 2011 using Randomized Complete Block Design with three replications. Premium cultivar was used in the experiment. Each block was divided into 3 plots where 3 treatments were allotted at random. There were 9 unit plots altogether in the experiment. The size of the each plot was 2.25 m × 2.4 m. The distance maintained between two blocks and two plots were 1.0 m and 0.5 m, respectively. 23 days old healthy and uniform seedlings were transplanted in experimental plots on 3^rd November, 18^th November and 3^rd December, 2011 as treatments. Seedlings were planted in the plot with maintaining distance between row to row and plant to plant was 60 cm and 45 cm, respectively. For the data collection, five plants were randomly selected from each unit plot except yields of curds, which was recorded plot wise. Data were collected on plant height, number of leaves/plant, days to first visible curd, length of stem, diameter of stem, fresh weight of leaves/plant, length of root, fresh weight of roots/plant, weight of primary curd, diameter of primary curd, number of secondary curd, weight of secondary curds, dry matter content of leaves, dry matter content of curd, yield/plot and yield/hectare Only the compact mature curds were harvested with 15 cm long fleshy stalk by using as sharp knife. The curds were harvested in compact condition before the flower buds opened (Thomson and Kelly, 1985). Before harvesting of the broccoli head, compactness of the head was tested by pressing with thumbs. After harvesting the main curd, secondly the shoots were developed from the leaf axils, which also developed into small secondary curds and were harvested over a period of time. For the dry weight, at first 100 gm samples of selected plant was collected, cut into pieces and was dried under sunshine for a few days and then dried in an oven at 70⁰C for 72 hours before taking dry weight till it was constant then dry weight was recorded with a beam balance. Collected data were statistically analyzed by using MSTAT-C computer package program. The mean values were evaluated and analysis of variance was performed by the ‘F’ (variance ratio) test. The significance difference among the treatments was estimated by Duncan’s Multiple Range Test (DMRT) at 1% level of probability.

Source of Information: ISSN: 2309-7892, Volume: 2, Issue: 2, Page: 95-99, October-December, 2014, Int. J. Bus. Soc. Sci. Res. 2(2): 95-99.

Article Link (Online Journal): http://www.ijbssr.com/currentissueview/14013058

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Transplanting of broccoli at mid November performed as best concerning growth and yield.

Knowledge Management: Journal