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Control of Mustard Aphid (lipaphis Erysimi) Using Different Botanical Insecticides

A. Akter
Deparment of Entomology, Sher- e- Bangla Agricultural University, Dhaka -1207

M. R. Kabir
Deparment of Entomology, Sher- e- Bangla Agricultural University, Dhaka -1207.

M.Z.K. Roni
Department of Agricultural Botany, Sher - e- Bangla Agricultural University, Dhaka - 1207.

AFM Jamal Uddin
Department of Horticulture, Sher- e - Bangla Agricultural University, Dhaka - 1207.

Abstract/ Executive Summary:

The study was carried out in the field of Sher- e- Bangla Agricultural University, Sher- e-Bangla Nagar, Dhaka, Bangladesh, during November 2012 to March 2013 to control the mustard aphid (Lipaphis erysimi ) using botanicals pesticides. The experiment was laid out with eight treatments viz. T₁ : Neem seed karnel extract, T₂ : Tobacco leaf dusts, T₃ : Neem oil, T₄ : Sumi Alpha, T₅ : Neem seed karnel extract + Sumi Alpha, T₆ : Tobacco leaf dusts + Sumi Alpha, T₇ : Neem oil + Sumi Alpha and T₈ : control; with three replications. The treatments were treated from 15 days after seedling transplanted with 7 days intervals. Neem oil + Sumi Alpha at 7 days interval were more effective among the management practices to control mustard aphid. Further more, Neem oil + Sumi Alpha have positive effect on growth and yield of mustard.

Keywords: Mustard aphid, Control, Botanical insecticies

Location: Sher-e -Bangla Agricultural University farm, Dhaka

Start Date: 00-11-2012

End Date:

Program Area: Pest Management

Commodity: Mustard

Objectives:

To find out the most suitable botanicals insecticides to control mustard aphid.

Methodology:

A field study was conducted in Sher-e -Bangla Agricultural University farm, Dhaka, November 2012 to March 2013, to evaluate the influence of different botanicals insecticides to control aphid infestation on mustard field. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. Eight treatments were used viz. T₁ : Neem seed kernel extract 5%; T₂ : Tobacco leaf dusts @ 20 g/L of water; T₃ : Neem oil @ 0.3%; T₄ : Sumi Alpha 5EC @ 1ml/L of water; T₅ : Neem seed kernel extract 5% + Sumi Alpha 5EC @ 1ml/L of water; T₆ : Tobacco leaf dusts @ 20 g/L of water + Sumi Alpha 5EC @ 1ml/L of water; T₇ : Neem oil @ 0.3% + Sumi Alpha 5EC @ 1ml/L of water and T₈ : control. Botanicals insecticides were sprayed from early vegetative stage to fruiting at 7 days interval. BARI SARISA-15 was used as a test crop for this experiment. The experiment consists of total 24 plots of size 3.0 m × 2.0 m. All the 8 treatments of the experiment were assigned at random into 8 plots of each block/replication. During the experiment intercultural operat ion was accomplished through visual observation. Percentage of plant infestation and infestation reduction were calculated. Plant height, number of siliquae per plant, length of siliqua, weight of 1000 seeds and seed yield per hectare were recorded. Statistical analyses were done with MSTAT-C software program. Mean comparisons was conducted and analysis of variance for each of variety was represented by F-test. Differences between varieties were evaluated by Least Significance Difference Test (LSD) at 5% level of significance (Gomez and Gomez, 1984).

Source of Information: BANGLADESH RESEARCH PUBLICATIONS JOURNAL ISSN: 1998 -2003, Volume: 10, Issue: 4 , Page: 298 -303 , January - February, 2015 Bangladesh Res. Pub. J. 10(4 ): 298-303 . Retrieve from http://www.bdresearchpublications.com/admin/journal/upload/1410040/1410040. pdf

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The present study revealed the bio -efficiency activity of different plant botanicals insecticides against mustard aphid. Neem oil and Sumi Alpha have been proved the best results in growth and yield of mustard, as well as best f or controlling mustard aphid.

Knowledge Management: Journal