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Survey on Pest Status and Incidence of Tomato Leafminer, Tuta Absoluta in Different Region of Bangladesh (2017 – 2018)

M. S. Hossain
Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

AK Das
Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

Abstract/ Executive Summary:

The survey was conducted at Research/ growers' tomato fields in several districts viz. Gazipur, Jashore , Comilla Moulvibazar and Panchagorh separately installing delta traps containing Tuta lures during May to August 2017 for summer season and during November 2017 to April 2018 for winter seasons to find out the incidence, intensity and peak period of invasion of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). From the results it was found that tomato leaf miner, Tuta absoluta damaged up to 27.36% leaves and 25.25% tomato fruits. Among five locations, the highest infestation was observed at Panchagarh and the lowest at Comilla. The peak period of Tuta invasion was observed in March- April in winter and May-June in summer season and this introduced pest is appearing as a serious challenge to the farmers of Bangladesh . The population of this pest was much more higher during summer season than that of winter season. The Tuta catch was positively correlated with monthly average temperature, %Relative Humidity (%RH) and rainfall (mm).

Keywords: Tomato, Pest status, Damage severity, Leaf miner

Location: Regional Horticulture/Agriculture Research Station, Jashore , Comilla, Moulvibazar and Panchagorh

Start Date: 00-00-2017

End Date: 00-00-2018

Program Area: Pest Management

Commodity: Pest, Tomato

Objectives:

To find out the incidence, intensity and peak period of invasion of tomato leafminer, Tuta absoluta.

Methodology:

The survey was done in Research/ growers' tomato fields in several districts viz. Gazipur (23.5937⁰N and 90.2432⁰E), Jashore (23.1586⁰N and 89.2075⁰E), Comilla (23.4668⁰N and 91.1631⁰E) Moulvibazar (24.4160⁰N and 91.7611⁰E) and Panchagorh (26.2050⁰N and 88.3741⁰E) separately installing delta traps containing Tuta lures during May to August 2017 for summer season and during November 2017 to April 2018 for winter seasons. At Gazipur traps were installed at Horticulture Research Centres’ vegetable research fields. At Cumilla and Moulvibazar traps were installed at Regional Horticulture/Agriculture Research Station and at Jashore and Panchagarh, traps were installed at farmers’ field of Patengali and Bakshipara villages, respectively. In each field, three delta sex pheromone traps collected from Russell IPM were installed. Data were recorded on incidence of tomato leafminer, Tuta absoluta by using absolute method i.e. counting of infested plant, leaf and fruit from randomly selected 10 plants. Intensity of leafminer was recorded by using relative method i.e. use of Tuta sex pheromone delta traps where weekly capture of T. absoluta male moth was observed and counted. Weather data was collected from Sadar upazila agriculture office, Department of Agriculture Extension (DAE), Panchagarh district

Source of Information: Annual Research Report 2017 – 2018, Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the results it could be concluded that tomato leafminer , Tuta absoluta has already been appeared and established as a major pest and new threats in tomato production at Panchagarh region though it was detected at that region just two years’ back. So, management approach (es) should be developed immediately against this pest.

Knowledge Management: Report/Proceedings