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Effect of Different Storage Containers and Additives on Health and Quality of Rice Seeds in Bangladesh

M.M.H. Chowdhury
Seed Pathology CentreBangladesh Agricultural University, Mymensingh-2202

I. Hossain
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh-2202

P. Dey
Seed Pathology CentreBangladesh Agricultural University, Mymensingh-2202

M.Z.Rahman
Farm Management Section, Bangladesh Agricultural University, Mymensingh-2202

M.A. Khaleque
Bangladesh Agriculture Development Corporation, Dhaka

Abstract/ Executive Summary:

The experiment was conducted at the Seed Pathology Center (SPC), Bangladesh Agricultural University, Mymensingh to develop the better storage practices for retaining seed health and quality of rice seeds in Bangladesh. The storage containers viz. T₁-Plastic bag, T₂-jute bag lined with polythene, T₃-plastic drum, T₄-metal drum and T₅-painted motka (earthen container) and different additives viz. S₁-No additives (Control), S₂-chalk powder, S₃-neem leaves (Azadirachta indica), S₄-biskatali leaves (Polygonum hydropiper), S₅-naphthalene and S₆-Ash were used. Minimum moisture content (12.80%) was found in case of storing seeds in plastic drum with chalk powder; while in case of motka with no additives high moisture content (17.00%) was recorded. Highest apparently seeds (42.83) were recorded in plastic drum with chalk powder and lowest (21.50) were recorded in metal drum with no additives. The highest germination and normal seedling (91.63% and 88.25%, respectively) on different storage container were recorded in T₃ while the lowest (74.13% and 70.38%, respectively) were recorded in T₄. In case of different additives the highest germination and vigour indax (91.40% and 2065.98, respectively) were recorded in S₂ while the lowest (72.80% and 1619, respectively) were recorded in S₁. The highest interaction effects of different storage container and additives on germination were recorded in T₃ X S₃ while the lowest were recorded in T₄ X S₁. After five months of storage eight fungal genera viz. Alternaria padwickii, Bipolaris oryzae, Curvularia lunata, Fusarium oxysporum, Fusarium moniliforme, Aspergillus flavus, Aspergillus niger and Penicillium spp were recorded. The highest incidence of pathogens in different container were recorded in T₂ while the lowest were recorded in T₃. The highest incidence of pathogens in different additives were recorded in S₁ while the lowest were recorded in S₃. The highest interaction effect of storage container and additives were recorded in T₁ X S₁ while the lowest were recorded in T₃ X S₃.

Keywords: Storage, Containers, Additives, Health & quality and Rice seed.

Location: Seed Pathology Center (SPC), Bangladesh Agricultural University, Mymensingh

Start Date: 00-06-2013

End Date: 00-11-2013

Program Area: Seed Technology

Commodity: Rice

Objectives:

1. To develop the better storage practices for retaining seed health and quality of rice seeds in Bangladesh.

Methodology:

The experiment was conducted at the Seed Pathology Center (SPC), Bangladesh Agricultural University, Mymensingh following 2 factorial experiment with three replications taking BRRI dhan 40. Seeds were collected from farmers’ house and 20 kg seeds were kept in each of the container. The storage containers viz. T₁-Plastic bag, T₂-jute bag lined with polythene, T₃-plastic drum, T₄-metal drum and T₅-painted motka (earthen container) were considered as factor- A and different additives viz. S₁-No additives (Control), S₂-chalk powder, S₃-neem leaves (Azadirachta indica), S₄-biskatali leaves (Polygonum hydropiper), S₅-naphthalene and S₆-Ash were used as factor B. Data on seed health and quality of seeds were collected firstly before storage and secondly after five months of storage. From each storage container, 500 gm seed sample was taken. The sample was taken from the middle portion of each container, kept in clean brown paper bag, labeled properly and studied for moisture contents, germination and seed health status. Seed health and quality tests were done following the ISTA procedure. Manual seed sorting was done in order to separate out insect-damaged seed and the associated insects. The infested seeds and the insects from 400g working sample were counted in each observation. Thereafter, the weight of the insect-damaged seeds was taken. The recorded data on the different parameters under the entire investigation were statistically analyzed using M-STAT package programme and test of significance and analysis of variance was done.

Source of Information: J. Agrofor. Environ. 8 (2): 99-102, 2014; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The highest incidence of pathogens in different additives were recorded in No additives (Control) (S₁) while the lowest were recorded in S₃. The highest interaction effect of storage container and additives were recorded in Plastic bag (T₁) X S₁ while the lowest were recorded in plastic drum (T₃) X neem leaves (Azadirachta indica) (S₃).

Knowledge Management: Journal