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Effect of Pre-treatment of Seeds of Kalo Koroi [albizia Lebbeck (l.) Benth.] on Germination and Seedling Growth

Depali Deb Nath
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh-2202

M.M. Rahman
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh-2202

G.M.M. Rahman

K.K. Islam

M.A. Mondal
Department of Biotechnology, Bangladesh Agricultural University, Mymensingh-2202.

Abstract/ Executive Summary:

An experiment was conducted to observe the effect of pre-treatment of seeds of Kalokori [Albizia lebbeck (L.) Benth.] on germination and seedling growth at the Postgraduate Laboratory, Department of Agroforestry, Bangladesh Agricultural University, Mymensingh. Four media viz., soil, sand, sawdust and blotting paper along with ten pre- treatment methods viz., boiling water for 1 minute, boiling water for 2 minutes, boiling water for 3 minutes, sand paper scrapping for 3 minutes, sand paper scrapping for 5 minutes, sand paper scrapping for 7 minutes, conc. H2SO4 treatment for 3 minutes, conc. H₂SO₄ treatment for 5 minutes and conc. H₂SO₄ treatment for 7 minutes were involved in the experiment. The two factor experiment was laid out in Completely Randomized Design (CRD) with three replications. Seed germination, seedling height, seedling fresh and dry weights were significantly influenced by the methods of pre-treatment as well as media used in the experiment. The highest germination was recorded in boiling water for 1 minute with blotting paper media. Maximum seedling height was obtained in sawdust and conc. H₂SO₄treatment for 3 minutes both individually and combinedly. Sawdust with boiling water for 1 minute gave maximum fresh and dry weights. However, sawdust and seed pre-treatment in boiling water showed the best performance for seed germination and seedling growth of the Albizia lebbeck.

Keywords: Seeds, Pre-treatment, Albizia lebbeck, Germination, Seedling growth

Location: The post graduate laboratory, Department of the Agroforestry

Start Date: 00-01-2007

End Date: 00-12-2007

Program Area: Seed Technology

Non-commodity: Adoption of technology

Objectives:

1. To evaluate germinability of seeds as affected by different dormancy breaking treatments as well as the suitable growing media for Albizia lebbeck seedlings.

Methodology:

The experiment was conducted in the post graduate laboratory, Department of the Agroforestry, Bangladesh Agricultural University, Mymensingh during 2007. The experiment was consisted of two factor, seed germinating media viz. Soil (M₁); Sand (M₂); Sawdust (M₃); Blotting paper (M₄) and different seed treatment methods viz. S₁, S₂ and S₃represent boiling water treatment for 1, 2 and 3 minutes respectively; S₄, S₅ and S₆ represent seed scrapping with sand paper for 3, 5 and 7 minutes; S₇, S₈ and S₉ represent seed treated with conc. H₂SO₄for 3, 5 and 7 minutes. The treatments were arranged in Complete Randomized design with three replications. Data were taken on numbers of germinated seeds at 7, 14 and 21days after sowing (DAS). Seedling height (cm), seedling fresh weight (g) and seedling dry weigh (g) were recorded at 21 DAS. Data were analyzed statistically using MSTAT package program. The means of the parameter were separated by Duncan’s Multiple Range Test.

Source of Information: J. Agrofor. Environ. 1(2): 43-46, 2007; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Seed germination, seedling height, seedling fresh and dry weights were significantly influenced by the methods of pre-treatment as well as media used in the experiment. The highest germination was recorded in boiling water for 1 minute with blotting paper media. Maximum seedling height was obtained in sawdust and conc. H₂SO₄ treatment for 3 minutes both individually and combinedly. Sawdust with boiling water for 1 minute gave maximum fresh and dry weights. However, sawdust and seed pre-treatment in boiling water showed the best performance for seed germination and seedling growth of the Albizia lebbeck.

Knowledge Management: Journal