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Evaluation of Damage Severity of Cutworm in Different Variety of Potato at Various Growing Areas

M.A. Monim
Oil Seed Research Center, RARS, BARI, Rahmratpur, Barisal

A.B.M.S. Islam
Soil Resource Development Institute, Jamalpur

M.A. Quddus
Pulses Research Sub Station, BARI, Madaripur

R. Ali
RARS, BARI, Jamalpur

A.S.M.A. Monim
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka

Abstract/ Executive Summary:

The experiment was conducted at three different locations namely Barisal, Munshiganj and Mymensingh in Bangladesh during rabi season of 2007-08 using five potato varieties and it was repeated 2008-2009. Five potato varieties namely Diamant, Cardinal, Patrones, Granola and Espirit was tested against cutworm, Agrotis ipsilon(Hufner). Percent Plant damage up to 40 days, the variety Diamant show less damage by cutworm in both three locations, that was Barisal (1.14), Munshiganj(1.62) and Mymensingh(1.88) respectively. But maximum damage was recoded in Patrones for all locations. Percent of damage tuber no. was the lowest in Cardinal, Granola and Patrones at Munshiganj. The yield of potato was higher in the variety of Diamant and Cardinal for all locations.

Keywords: Evaluation, Damage, Severity, Cutworm, Potato

Location: Barisal, Munshiganj and Mymensingh in Bangladesh

Start Date: 00-00-2007

End Date: 00-00-2009

Program Area: Pest Management

Commodity: Potato

Objectives:

1. To find out the damage severity of cutworm in different varieties of potato.

Methodology:

The experiment was conducted at three locations namely Barisal, Munshiganj and Mymensingh in Bangladesh during rabi season of 2007-08 using five potato varieties and it was repeated 2008-2009. Fertilizers were applied at 350-250-270-120-120-106 kg/ha of urea, TSP, MP, gypsum, magnesium, sulphate, zinc sulphate and borax respectively, as recommended for Bangladesh (Anon, 2004). One half of urea and full dose of all other fertilizers were applied at the time of planting. Other half of urea was applied as side dressing after 30 days of planting when first earthing up was done. During land preparation, cowdung was applied at 10ton/ha. In all the years, seed tubers were planted on 30 November. During the crop (rabi) season of 2007-2008 and 2008-2009, seed tubers were preserved in the cold storage. The experiment was laid out in a randomized complete block design (RCBD) with three replications. The unit plot size was 5m X 4m. Whole tubers were planted maintaining 60 cm row to row and 25 cm seed to seed distances. Intercultural operations, such as irrigation was given twice, weeding, mulching and earthing up were done as and when necessary. Fungicide, Dithane M-45 was applied at 0.25% to protect the crop from fungal disease. Five potato varieties were used Diamant, Cardinal, Patrones, Granola and Espirit. No insecticide was applied during the cropping period. Percent of plant damage up to 40 days was recoded for damage at vegetative stage. The crop was harvested on February, 08, 09. After harvest data on the percent of tuber damage and non-infested by number and weight and yield of tubers, no of hole/ damage tuber were collected and analyzed in the computer for Randomized Complete Block Design (RCBD) and analysis of variance (ANOVA) with Duncan’s Multiple Range Test (DMRT).

Source of Information: J. Agrofor. Environ. 4 (1): 117-119, 2010; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Percent Plant damage up to 40 days, the variety Diamant show less damage by cutworm in both three locations, that was Barisal (1.14), Munshiganj(1.62) and Mymensingh(1.88) respectively. But maximum damage was recoded in Patrones for all locations. Percent of damage tuber no. was the lowest in Cardinal, Granola and Patrones at Munshiganj. The yield of potato was higher in the variety of Diamant and Cardinal for all locations.

Knowledge Management: Journal