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Screening of Mutants of Jute for Resistance to Jute Stem Weevil

M. M. H. Bhuiyan
Lecturer
Department of Entomology, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh-2202

M. N.Uddin
Lecturer
Department of Entomology, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh-2202

M. Shajahan
Professor
Department of Entomology, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh-2202

M. Hussain
Chief Scientific Officer
Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh-2202

R. Ara
Associate professor
Department of Entomology, Hajee Mohammad Danesh Science & Technology University (HSTU), Dinajpur – 5200

Abstract/ Executive Summary:

An experiment was conducted the central experimental farm of Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh during the period from March to August, 2003 to evaluate resistance of fourteen mutants of jute (Corchorus capsularis) against jute stem weevil, Apion corchori Marshall along with the check variety BlNA Deshipat-2 in the field of Bangladesh Institute of Nuclear Agriculture (BINA). Assessments were made on the basis of percentage of plants and leaves infested by jute stem weevil. All of the tested mutants/varieties were found as moderately resistant to jute stem weevil.

Keywords: Screening, Corchorus capsularis, Apion corchori (Marshall), Mutants, Resistant

Location: The central experimental farm of Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh

Start Date: 00-03-2003

End Date: 00-08-2003

Program Area: Pest Management

Commodity: Jute

Objectives:

Objective of this study was to evaluate resistance of fourteen mutants of jute (Corchorus capsularis) against jute stem weevil.

Methodology:

Field trials: Field trials were carried out at the central experimental farm of Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh during the period from March to August, 2003 (Kharif season). Fourteen promising jute mutants developed at BINA namely CM-84, CM-77, CM74, CM-81, CM-70, CM-102, CM-66, CM-72, CM-96, C-26, CM-87, C-443, CM-101 and CM-63 were screened against jute stem weevil. In addition, to test the entries BlNA Deshipat-2 was used as the susceptible check variety. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. The size of the individual plot was 4 m x 1 m. The spacing between two plots and lines was 0.4 m and 0.3 m, respectively. The seeds were sown in a well prepared land. All the agronomic practices were adopted in raising the crop. Infestations of jute plants under field condition by jute stem weevil were recorded at different period of plant growth starting from 60 days after sowing (DAS) to 120 DAS. The total number of infested and uninfested plants and leaves were collected from two randomly selected rows of each plot to determine the level of infestation. The total number of plants and leaves were counted and percentage of infested plants and leaves by a particular pest species was calculated. The damaged plants or leaves were then graded by using the formula which was originally used for grading Chick pea. Pest resistance percentage (%) was calculated. The pest resistance percentage was then converted to a 1-9 rating.

Source of Information: Int. J. Sustain. Crop Prod. 3(3):55-60, 2008

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

All of the tested mutants/varieties were found as moderately resistant to jute stem weevil.

Knowledge Management: Journal