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Management of Foot and Root Rot of Lentil

A. Ayub
Chief Scientific Officer
Plant Pathology Division, BARI, Gazipur

M. M. Islam
Scientific Officer
Plant Pathology Division, BARI, Gazipur

A. Nahar
Scientific Officer
Plant Pathology Division, BARI, Gazipur

Abstract/ Executive Summary:

The experiment was conducted under pot culture to evaluate the efficacy of organic amendments, fungicides and Trichoderma in controlling foot and root rot disease of lentil caused by Sclerotium rolfsii. There were 18 treatments of them winner, Neem oil cake + winner, Trichoderma saw dust burning and vitavax found promising against the disease

Keywords: Lentil, Foot rot and root rot

Location: BARI, Gazipur

Start Date:

End Date:

Program Area: Pest Management

Commodity: Lentil

Objectives:

To determine the effectiveness of different control measures against the disease

Methodology:

The experiment was conducted at BARI, Gazipur following artificial inoculation of S. rolfsii in sterilized soil under pot culture. Sclrotium rolfsii was multiplied on sand and broken maize (40:30), inoculated at 30 days before of seed sowing @ 5 g/kg soil. Each pot soil was provided with 5kg sterilized soil. The experiment was consisted with 19 treatments with three replications. Ten seed were sown in each pot. Organic amendments viz., Mustard oil cake (MOC) @ 500 kg/ha and Poultry refuse (PR) @ 5 t/ha, Neem oil cake (NOC) @ 300 kg/ha were added before 21 days of seed sowing. Sawdust burning was done one day before sowing. Antagonist Trichoderma harzianum (60 g/m2) and fungicides were incorporated respectively, seven day and one day before seed sowing. Variety BARI masur-1 was used. Data were taken on pre and post-emergence mortality and expressed in percentage.

Source of Information: Annual Report, Plant Pathology Division 2009-10

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The percent of pre-emergence mortality ranged from 0-33.33. Due to application of Poultry refuse, Neem oil cake + winner, Sawdust Burning, Vitavax, Winner, Trichoderma + Winner and Poultry refuse + Winner, the pathogen fail to cause any pre-emergence mortality. These treatments were statistically similar and they were significantly different from rest of the treatments except Mustard oil cake, Neem oil cake, Trichoderma, Evaeilt, Sidazim and Rhizobium. In case of post emergence mortality all the treatments showed their potentiality against the pathogen and gave lower infection compared to control. Winner totally controlled post emergence mortality and it showed statistically insignificant to rest of the treatments except poultry refuse, Mustard oil cake, Neem oil cake, Sidazim, Rhizobium and control. While percent of total mortality was considered, lowest value (0%) was recorded from Winner and it showed statistically similar to Neem oil cake + winner, Trichoderma, Sawdust burning, Vitavax, Evaeilt, Metaplus, Trichoderma + Winner and Poultry refuse + Winner. In control the highest total mortality of 73.14% was record due to S. rolfsii.

Knowledge Management: Report/Proceedings