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Effect of Storage Containers and Additives on Seedling Health of Rice

M. Ayub Ali
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh

M. Akther
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh

A.H.M. Mahfuzul Haque
Plant Pathology Division, BARI, Gazipur.

Q.Y. Akther
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

The storage experiments were conducted in the farmers’ house of Rakudia, Barisal; health and quality tests were done at the Seed Pathology Centre, Bangladesh Rich Research Institute, and International Rice Research Institute (Philippines) following CRD. Four storage containers viz Motka, Painted motka, Plastic drum and Tin jar and four additives viz. chalk powder, dry leaves of neem (Azardirachta indica) and biskatali (Polygonum hydropiper) and tamarind seeds (Tamarind indica) were tested to preserve rice seeds in the farmers’ houses for good quality seedlings. The highest percentage of healthy seedlings (88.50%) was recorded after one month of storage in Plastic drum with neem leaves that was significantly different from all other treatment combinations. Aspergillus flavus and Aspergillus candidus were the predominat storage fungi detected from the seeds after storage in different containers with additives. Its population was comparatively low in the seeds preserved in plastic drum with neem leaves additives. The infection of Rhizopus spp was higher than the infection of Penicilium spp. Alternaria tenuis infection was similar in all containers or additives. Similar results were observed in case of other minor seed-borne fungi. Therefore, rice seeds may be stored in plastic drum with neem leaves to sustain the potentiality of seeds for healthy seedling production.

Keywords: Storage containers, Additives, Storage fungi, Seedling health, Rice

Location: The farmers’ house of Rakudia, Barisal

Start Date: 00-07-2007

End Date: 00-11-2007

Program Area: Seed Technology

Commodity: Rice

Objectives:

1. To select suitable container for storage of good seeds keeping good health under farmers’ conditions for sustainable high yield.

Methodology:

Experiments were conducted in the farmer’s house of the village Rakudia under Babugonj of Barisal district of Bangladesh. The laboratory experiments were conducted at the Seed Pathology Center, Bangladesh Rice Research Institute and International Rice Research Institute. Twenty farmers were selected. The seeds of BRRI Dhan-29 produced by the farmers were used in the study. Four types of containers viz. Motka, Painted motka, Plastic drum and Tin jar each with incorporated with four additives (eg. Chalk powder, Neem leaves, Biskatali leaves and Tamarind seed) along with a set of control were used for preservation of rice seed.From each treatment combination, 500 gm seeds were taken from the middle portion of each container. The samples were taken in brown paper bag, labeled, and preserved at 5-8°C in a refrigerator for seedling health test in the seed bed. Wet seed beds were prepared and seeds were sown in the experimental units following RCBD. Double diagonal line patterns technique of sampling were used for determination of seedling health. Fifty seedlings per line were randomly selected from each seedbed. Seedlings were sorted out into three categories viz. healthy, abnormal and diseased. The number of seedlings in each category was counted and expressed as percentage.

Source of Information: J. Agrofor. Environ. 2(2): 57-60, 2008; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The highest percentage of healthy seedlings (88.50%) was recorded after one month of storage in Plastic drum with neem leaves that was significantly different from all other treatment combinations. Aspergillus flavus and Aspergillus candidus were the predominat storage fungi detected from the seeds after storage in different containers with additives. Its population was comparatively low in the seeds preserved in plastic drum with neem leaves additives. The infection of Rhizopus spp was higher than the infection of Penicilium spp. Alternaria tenuis infection was similar in all containers or additives. Similar results were observed in case of other minor seed-borne fungi. Therefore, rice seeds may be stored in plastic drum with neem leaves to sustain the potentiality of seeds for healthy seedling production.

Knowledge Management: Journal