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Evaluation of Plant Extracts as Seed Treating Agent for Hybrid Rice

Abu Noman faruq Ahmmed
Assistant Professor
Dept. of Plant Pathology, Sher-e-Bangla Agricultural University, Dhaka

Abstract/ Executive Summary:

An investigation was carried out to evaluate the efficacy of some selected plant extract for seed treatment of hybrid rice in the seed health laboratory of department of Plant Pathology of Sher-e-Bangla Agricultural University. All of the varieties are highly susceptible to the bacterium named Xanthomonas oryzae pv. Oryzae. Hera 2 and BRRI hybrid dhan 2 are more susceptible to the strain 1 where as SL 8 is more susceptible to the strain 2. Among the plant extracts, datura leaf extract, turmeric rhizome extract; allamonda leaf extract and garlic clove extract showed best performance against the seed borne pathogen. Datura leaf extract and turmeric rhizome extract have the highest bactericidal and anti fungal efficacy among the plant extracts used in the experiment. From the findings of the study, it is very clear that, the seed health status of hybrid rice seed was not at satisfactory level. Considering the overall performance of plant extracts, datura leaf extract (1:1 w/b) and turmeric rhizome extract (1:1 w/b) could be used for seed treatment of hybrid rice as an eco friendly approach and may be advised to the farmer for profitable hybrid rice production.

Keywords: Evaluation, Plant extracts, Seed treating agent, Hybrid rice

Location: The seed health laboratory of department of Plant Pathology of Sher-e-Bangla Agricultural University, Dhaka

Start Date: 01-07-2012

End Date: 30-06-2013

Program Area: Seed Technology

Commodity: Rice

Objectives:

1.To evaluate the seed health status of some selected hybrid rice varieties

2.To evaluate the efficacy of different plant extracts as a seed treating agent against different seed borne pathogen of hybrid rice.

Methodology:

Test Material (hybrid rice varieties) .Hira-2 .BRRI hybrid dhan-2 .SL-8 The particulars of botanicals used in this study Common Name English name Scientific name Plant parts used Dilution Neem Margosa Tree Asadirachta indica Leaf 1:1 w/b Allamanda Allamanda Allamanda cathartica Leaf 1:1 w/b Garlic Garlim Allium sativum Clove 1:1 w/b Onion Onion Allium cepa Bulb 1:1 w/b Turmeric Turmeric Curcuma longa Rhizome 1:1 w/b Kalijira Cumin black Nigella sativa Seed 1:1 w/b Bishkatali Smart weed Polygonum hydropiper Leaf 1:1 w/b Datura Datura Datura metel Leaf 1:1 w/b Shimul Silk Cotton Tree Salmalia malabarica Leaf 1:1 w/b Treatments used in the experiment: T₁= Seed treated with kalijira extract (1:1 w/b) T₂ = Seed treated with onion bulb extract (1:1 w/b) T₃ = Seed treated with allamonda leaf extract (1:1 w/b) T₄ = Seed treated with garlic clove extract (1:1 w/b) T₅= Seed treated with neem leaf extract (1:1 w/b) T₆ = Seed treated with datura leaf extract (1:1 w/b) T₇= Seed treated with turmeric rhizome extract (1:1 w/b) T₈= Seed treated with biskatali leaf extract (1:1 w/b) T₉ = Seed treated with shimul leaf extract (1:1 w/b).

Source of Information: Final Report of Sher-e-Bangla Agricultural University Research System (SAURES) funded Project.

Article Link (Online Journal):

Funding Source:

1.	Budget: 80,600
2. University Grant Commission	Budget: 80,600

Total Budget (Tk.) : 80,600

Achievement/Findings:

From the findings of the study, it is very clear that, the seed health status of hybrid rice seed was not at satisfactory level. Considering the overall performance of plant extracts, datura leaf extract (1:1 w/b) and turmeric rhizome extract (1:1 w/b) could be used for seed treatment of hybrid rice as an eco friendly approach and may be advised to the farmer for profitable hybrid rice production.

Knowledge Management: Report/Proceedings