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Screening of Bast Fibre Crops Against Root-knot Diseases ( Meloidogyne Sp.)

S.M.A. Haque
Scientific Officer
Plant Pathology Department,Pest Management Division, BJRI, Manik Mia Avenue, Dhaka-1207

Abstract/ Executive Summary:

Seeds of C. olitorius jute variety with different trap crops such as Sesbania, Safflower and Marigold were sown in line in nematode infested soil at JAES and Monirampur. Gall index was found less in jute plants where Safflower was used in lines as trap crop. Findings revealed that Safflower control namatode population in soil.

Keywords: Screen, Bast fibre crops, Root-knot, Disease

Location: JAES, Manikganj

Start Date: 30-03-2006

End Date: 30-11-2006

Program Area: Pest Management

Commodity: Jute

Objectives:

1.To screened germplasms against root-knot diseases

2.To help the breeders to develop the resistant varieties against root-knot

Methodology:

1) The plants were sown in sterilized soil following RCBD with three replications and was inoclutd with pure culture of Meloidogyne sp. at proper age of the plant. 2) Preparation of inoclution: Tomato plants previously were grown in nematode free soil was inocluted by adding nematode infected roots of jute. After 60 days, egg mass of nematodes were collected from tomato root and incubated in a watch glass at 25^oC c) Selected germplasm materials were inocluted with the newly hatches larvae suspended in sterilized water ( 50 larvae/ml). Each plant was inocluted with 20 ml of this suspension.Following records were keppt: 1) Date of sowing of tomato plants 2)Date of sowing of germination materials 3) Date of inoclution 4) Observation of root-system of each material for gall formation time to time.

Source of Information: Annual report, 2006, BJRI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Ten thousand taka only

Total Budget (Tk.) : Ten thousand taka only

Achievement/Findings:

Gall index was found less in jute plants where Safflower was used in lines as trap crop. Findings revealed that Safflower control namatode population in soil.

Knowledge Management: Report/Proceedings