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Management of Hawk Moth of Sesame with Botanical and Chemical Agent

M.A. Monim
Oil Seed Research Centre, RARS, Bangladesh Agricultural Research Institute, Rahmatpur, Barisal

M.M. Rahman
RARS, Bangladesh Agricultural Research Institute, Jamalpur

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

R. Begum
Soil Resource Development Institute, Jamalpur

D.J. costa
RARS, Bangladesh Agricultural Research Institute, Jamalpur

Abstract/ Executive Summary:

Management of hawk moth of sesame using zetpowder, neem kernel extract, neem oil and Dursban 20 EC alone and in combination was studied at Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Rahmatpur, Barisal during kharif-1 season of 2008 and 2009. The highest hawk moth was 4 per plant observed in the last week of April in 2008, 2009. Among the treatments Dursban 20 EC reduced the highest Hawk moth (98.89%) with the highest BCR (5.03) followed by Neem kernel extract + Biskatali dust extract (31.11%), Neem kernel extract+ Zet powder (28.337%) and Neem oil + Zet powder (26.67%) recorded at 15 days after spray over the pre-treatment count. Neem kernel extract +Zet powder gave the second highest BCR (4.41) followed by Neem kernel extract (4.17), Neem oil + Zetpowder (3.85) and Zetpowder (3.67).

Keywords: Management, Practices, Botanical, Chemical, Control, Hawk Moth, Sesame

Location: Oilseed Research Centre, Regional Agricultural Research station, Bangladesh Agricultural Research Institute (BARI), Rahmatpur, Barisal

Start Date: 00-00-2008

End Date: 00-00-2009

Program Area: Pest Management

Commodity: Sesame

Objectives:

1. To find out the most effective plant materials with their integration for the management of Hawk moth of sesame.

Methodology:

The experiment was conducted in the field of the Oilseed Research Centre, Regional Agricultural Research station, Bangladesh Agricultural Research Institute (BARI), Rahmatpur, Barisal during two kharif-1 seasons of 2008 and 2009. It was laid out in a randomized complete block design (RCBD) with three replications. The unit plot size was 4 m X 3 m. The spacing maintained for sesame entries was 30 cm row to row and 10 cm seed to seed distances. The sesame variety BARI Till-3 were sown in 05 March, 08 and 09. Fertilizers were applied at the rate of 50:28:23:20:1.8:1.8 NPKSZn B kg/ha respectively (Anon, 2004). Half of N (as urea) and all others fertilizers were applied during final land preparation and the rest of half N was applied at 30 DAE. Intercultural operations, such as irrigation was given twice, weeding and mulching were done as and when necessary. Six treatments namely, Zet powder @5g/l, Neem kernal extract(2.5%), Neem kernal extract(2.5%) + Zet powder, Neem oil 5ml/l +Zet powder, Dursban 20 EC@ 2ml/l and untreated control were evaluated against Hawk moth of sesame under field condition. Three hundred fifty gram (350g) neem seed kernal and five hundred grams (500g) biskatali dust were crushed and added to 10 litre of water and kept over night and sieved with fine net. Then the solution was ready for spray. Four gram (4g) detergent powder (Zet powder) added to 1 litre of water stirring and sieved with fine net. Four (4) ml neem oil added to 1 litre of water with 4 g zet powder stirring and sieved then the solution was ready for spray. Botanicals and insecticide were applied on April 10, 2008, 2009 at the vegetative and pod formation stage of the crop with the help of knapsack sprayer. Randomly 10 plants were selected per plot for counting hawk moth of sesame. Larvae of the hawk moth were counted bellow the leaf, shoot and pod of the plant before 5, 10 and 15 days after spray in all the treatments The crop was harvested on 08-06-08, 09. Seed yield of different treatments were recorded. Recorded data were compiled and analyzed in the computer package programmee MSTAT-C for Randomized Complete Block Design (RCBD) and mean value were separated by Duncan’s Multiple Range Test (DMRT). Benefit cost ratios (BCR) of different treatments were also calculated.

Source of Information: J. Agrofor. Environ. 4 (2): 97-99, 2010; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Result revealed that neem formations and Zetpowder are effective in checking the hawk moth in sesame only up to 10-15 days after spray. Their performance was inferior to Perfacthion 50 EC treated plots. Result revealed that although botanicals fail to reduce 100% hawk moth but it safe for natural enemies and also safe for environmental pollution.

Knowledge Management: Journal