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Ffect of Irrigation on the Growth and Yield of Garlic

M. N. Yousuf
Spices Research Center,BARI, Shibganj, Bogra

M.S.A. Mallik
Chief Scientific Officer
Spices Research Center,BARI, Shibganj, Bogra

S. Brahma
Senior Scientific Officer
Spices Research Center,BARI, Shibganj, Bogra

Abstract/ Executive Summary:

Field experiment was conducted during the rabi season of 2009-2010 at Spices Research Centre, Shibgonj, Bogra. The objective of the study was to investigate the effect of irrigation on the productivity of garlic. Irrigation enhanced the vegetative growth characteristics and bulb yield. The highest bulb yield (4.57 t/ha) was obtained with 3 irrigations each at 2, 6 leaves and clove initiation stage. Similar yield was found with 3 irrigations each at 4, 6 & clove initiation stage.

Keywords: Garlic, Growth, Irrigation, Yield

Location: Spices Research Center,BARI, Shibganj, Bogra

Start Date: 01-10-2009

End Date: 30-04-2010

Program Area: Crop-Soil-Water Management

Commodity: Garlic

Objectives:

To investigate the effect of irrigation on the productivity of garlic

Methodology:

Field experiment was carried out during the winter season of 2009-2010 at the experimental field of Spices Research Centre, Shibgonj, Bogra. The field experiment was conducted in sandy loam soil with pH 5.6. The experiment was laid out in a Randomized Complete Block Ddesign (RCBD) with three replications consisted of eight treatments: (i). No irrigation, (ii). 2 irrigation each at 2 & 4 leaf stage, (iii) 2 irrigation each at 2 & 6 leaf stage, (iv) 2 irrigation each at 2 and clove initiation stage, (v). 3 irrigation each at 2, 4 & 6 leaf stage, (vi) 3 irrigations each at 2, 6 & clove initiation stage, (vii). 3 irrigations each at 4, 6 & clove initiation stage, (viii) 4 irrigations each at 2, 4, 6 & clove initiation stage. Garlic cloves of BARI Rashun-1 were planting in 20 October, 2009. All other agricultural practices were done as per needed. The collected data were statistically analyzed by MSTATC computer software program (Bricker, 1991).

Source of Information: Spices Research Center,BARI, Shibganj, Bogra, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 35,000/-

Total Budget (Tk.) : 35,000/-

Achievement/Findings:

Individual bulb weight of garlic were positively responded to irrigation, the highest single bulb weight (28.50g) was obtained with irrigation 2, 4, 6 and clove initiation stage which were insignificant to other irrigation treatments. The experimental yield was somewhat lower than the potential. It might be due to thrips infestation and climatic factors. But yield of garlic and its components were significantly affected by irrigation. The highest bulb yield (4.57 t/ha) was recorded with 3 irrigations each at 2, 6 and clove initiation stage which were statistically at par with other 3 and 4 irrigation treatments including necessity of ample supply of moisture in clove initiation stage than other stages. The increase in yield and bulb quality of garlic was dependent on available moisture supply which can be mitigated by 3 irrigations each at 2 leaves, 6 leaves and clove initiation stage.

Knowledge Management: Report/Proceedings