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Effect of Planting Time and Mulch on Growth and Yield of Garlic

M. K. Rahman
Department of Horticulture, BAU, Mymensingh

M. A. Rahim
Department of Horticulture, BAU, Mymensingh

M. S. Alam
Department of Horticulture, BAU, Mymensingh

Abstract/ Executive Summary:

A field experiment was conducted at the Horticulture Farm of the Bangladesh Agricultural University, Mymensingh during the period from November, 2004 to March, 2005 to study the effect of different mulches and tillage system on the growth and yield of ten garlic germplasm. Mulches and tillage system used in the experiment were- (i) no mulch but well tilth condition, (ii) water hyacinth in well tilth condition, (iii) straw in well tilth condition, (iv) sotty in well tilth condition, (v) water hyacinth in puddling condition, (vi) straw in puddling condition and (vii) sotty in puddling condition.Ten germplasm viz., G₁, G₂, G₃, G₅, G₆, G₇, G₈, G₉, G₁₀ and G₁₁ were used in the experiment. The experiment was laid out in RCBD with three replications. The results of the experiment revealed that all the parameters of garlic were significantly influenced by the different mulches and tillage system. The highest bulb yield (10.79 t/ha) was recorded from water hyacinth in well tilth condition followed by straw in well tilth condition (10.45 t/ha). The lowest yield (8.41 t/ha) was obtained from sotty mulch in puddling condition. Yield of different germplasm showed highly significant variations. Germplasm G₁₀ gave the highest yield (10.37 t/ha) followed by germplasm G₆(10.09 t/ha) and G₃ (10.04 t/ha). The lowest yield (8.09 t/ha) was obtained from germplasm G₅. Combined effect of mulches with tillage system and different germplasm showed that germplasm G₁₀ with water hyacinth mulch in well tilth condition produced the highest yield (11.60 t/ha), while the lowest yield (6.60 t/ha) was obtained from the treatment combination of germplasm G₅and sotty mulch in puddling condition.

Keywords: Germplasm, Mulch, Tillage, Garlic,Production

Location: Horticulture Farm, Bangladesh Agricultural University, Mymensingh

Start Date: 00-11-2004

End Date: 00-03-2005

Program Area: Variety and Species

Commodity: Garlic

Objectives:

1. To study the comparative performance of ten germplasn of garlic under different mulches and tillage systems.

Methodology:

The field experiment was conducted at the Horticulture Farm, Bangladesh Agricultural University, Mymensingh during the period from November, 2004 to March, 2005, to find out the effect of different mulches and tillage system on the growth and yield of ten garlic germplasm. For this research work, ten germplasm of garlic were collected from Garlic Research Project, Department of Horticulture, BAU, Mymensingh. The experiment consisted of two factors. Factor A: Mulches and Tillage system 1) No mulch but well tilth condition ii) Water hyacinth in well tilth condition iii) Straw in well tilth condition iv) Sotty (Curcuma amada) leaves in well tilth condition v) Water hyacinth in puddling condition vi)Straw in puddling condition vii)Sotty (Curcuma amada) leaves in Puddling condition Factor B: This factor consisted of ten garlic germplsm. (G₁) Dinajpur (G₂) Devigon (G₃) Dinajpur (G₅) Nilphamari (G₆) Maherpur (G₇) Magura (G₈) Ishurdi (G₉) Ishurdi (G₁₀) Nilphamari (G₁₁) Magura. The factorial experiment was conducted in Randomized Complete Block Design (RCBD) with three replications. The entire experimental plot was divided into three blocks, each of which was then divided into 70 unit plots. The size of the unit plot was 1m x 1m. Two adjacent unit plots and blocks were separated by 0.5m and 1m drain, respectively. Cloves were also planted around the experimental area to cheek border effect and planting was done on the 9 November, 2004.Mulching was done immediately after planting cloves. Dried water hyacinth, straw and sotty (Curcuma amada) were used as mulching material.Intercultural operations, gap filling, weeding, irrigation, insecticide and fungicide were application as and when necessary. Harvesting was done on 25 March, 2005 when the plants reached maturity showing the sign of normal drying out of most of the leaves. Ten plants were selected randomly from each unit plot for the collection of data during different growing stages of plants. Data were collected in respect of the following characters: plant height, number of leaves per plant, fresh weight of bulb per plant, dry weight of bulb per plant, diameter of bulb, number of cloves per bulb, yield of bulb per plot, yield of bulb per hectare The significance of difference between pair of means was expressed as least significant difference (LSD) test taking the probability level of 5% as the minimum level of significance, though higher levels of significance wherever found, was indicated in results.

Source of Information: J. Agrofor. Environ. 1(1): 2007; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results of the experiment revealed that all the parameters of garlic were significantly influenced by the different mulches and tillage system. The highest bulb yield (10.79 t/ha) was recorded from water hyacinth in well tilth condition followed by straw in well tilth condition (10.45 t/ha). The lowest yield (8.41 t/ha) was obtained from sotty mulch in puddling condition. Yield of different germplasm showed highly significant variations. Germplasm G₁₀ gave the highest yield (10.37 t/ha) followed by germplasm G₆ (10.09 t/ha) and G₃ (10.04 t/ha). The lowest yield (8.09 t/ha) was obtained from germplasm G₅. Combined effect of mulches with tillage system and different germplasm showed that germplasm G10 with water hyacinth mulch in well tilth condition produced the highest yield (11.60 t/ha), while the lowest yield (6.60 t/ha) was obtained from the treatment combination of germplasm G₅and sotty mulch in puddling condition.

Knowledge Management: Journal