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Eco-friendly Management Approach to Control Cabbage Flea Beetle in Jashore Region of Bangladesh

TS Munmun
Regional Agricultural Research Station, Jashore, Bangladesh Agriculture Research Institute

MJ Alam
On Farm Research Division, Gaibandha, Bangladesh Agriculture Research Institute

MM Khatun
Tuber Crops Research Center, Gazipur, Bangladesh Agriculture Research Institute

NU Ahmed
Tuber Crops Research Sub-center, Munshigonj, Bangladesh Agriculture Research Institute

NU Mahmud
Regional Agricultural Research Station, Jashore, Bangladesh Agriculture Research Institute

Abstract/ Executive Summary:

The experiment was conducted during rabi season 2018-19 and 2019-20 at Regional Agricultural Research Station Jashore to develop a bio-rational based sustainable management approach to control flea beetle of cabbage. The experiment was laid out in a randomized complete block design with three dispersed replications. Cabbage seedlings were transplanted on 10^th November 2018 and 11^th November 2019, respectively. The experiment was five different treatments with one control treatment viz. T₁ = White color sticky trap + Matrin (Biotrine 0.5% @ 1ml/L of water) @ 1ml/L of water, T2 = Spraying of Antario @1.0 ml/L of water, T3 = Alternate spraying of fizimite and Antario @ 1ml/L of water, T4 = Spraying of Bio-clean (D-Lemonine 5% SL) + application of recharge @ 3gm/L of water, T5 = Spraying with Nitro 505EC (Chlorpyriphos + Cypermethrin) @ 2.0 ml/L of water and T6 = Untreated control. The whole plant was thoroughly covered by spray emulsion. The lowest number of flea beetle (14.59 in 2018-19 and 10.33 in 2019-20) was found in the treatment T5 (Spraying with Nitro 505EC (Chlorpyriphos + Cypermethrin) @ 2.0 ml/L of water) and highest (35.76 in 2018-19 and 42.53 in 2019-20) in control (T6) treatment. The lowest percent of head infestation of cabbage was also recorded in T5 treatment (14.03% in 2018-19 and 5.10% in 2019-20) and the highest in T6 treatment (27.61% in 2018-19 and 23.69% in 2019-20). The highest yield (33.40 t/ha in 2018-19 and 32.49 t/ha in 2019-20) was recorded from T5 treatment and the lowest (26.87 t/ha in 2018-19 and 24.78 t/ha in 2019-20) in control (T6) treatment in both the year. On an average, 16.55-20.33 flea beetle were captured in yellow sticky trap per week in both the year. The highest gross margin (438466 Tk.//ha in 2018-19 and 262366 Tk.//ha in 2019-20) was also observed in the T5 treatment in both the year and the lowest (342916 Tk.//ha in 2018-19 and 187666 Tk.//ha in 2019-20) in untreated control (T₆) treatment. Finally, the results revealed that the treatment T5 was more profitable compared to other approaches as well as the highest crop yield with marginal benefit cost ratio.

Keywords: Cabbage; Flea beetle; Eco-friendly management; Yield; Economics

Location: Regional Agricultural Research Station Jashore

Start Date: 00-00-2018

End Date: 00-00-2020

Program Area: Pest Management

Commodity: Beetle, Cabbage

Objectives:

To develop a bio-rational based sustainable management approach for the major insect pests of cabbage.

Methodology:

The experiment was conducted during rabi (November to April) season 2018-19 and 2019-20 at Regional Agricultural Research Station, Jashore. The experiment was laid out in a randomized complete block design with three dispersed replications. Cabbage seedlins were transplanted on 10^th November 2018 and 11^th November 2019. The unit plot size was 5 m x 4 m with 50 cm row to row and 40 cm plant to plant distance. The fertilizers were applied at recommended doses @ 300, 200, 250 kg ha^-1 of urea, triple super phosphate (TSP), muriate of potash (MoP) and 5 t ha^-1 cow dung. All cowdung, TSP and ½ MoP was applied at final land preparation. Rest of MoP and whole urea was applied in 3 equal splits at 10 DAT, 25 DAT and heading stage. The normal intercultural operations were done as and when necessary. The treatments were as follows: T₁ = White color sticky trap + Matrin (Biotrine 0.5% @ 1ml/L of water) @ 1ml/L of water, T₂ = Spraying of Antario @1.0 ml/L of water, T₃ = Alternate spraying of fizimite and Antario @ 1ml/L of water, T₄ = Spraying of Bio-clean (D-Lemonine 5% SL) + application of recharge @ 3gm/L of water, T₅ = Spraying with Nitro 505EC (Chlorpyriphos + Cypermethrin) @ 2.0 ml/L of water and T₆ = Untreated control. The whole plant was thoroughly covered by spray emulsion. Number of healthy and infested heads were counted and recorded from randomly selected 2m² area of each treatment replicates at 7 days’ interval. Treatment wise percent head infestation was calculated from the pooled data of fives observations. Number of flea beetle were counted and recorded from five randomly selected heads at 7 days’ interval. And number of flea beetle captured by yellow sticky trap were counted at 7 days’ interval.

Source of Information: Progressive Agriculture 31 (2): 68-73, 2020

Article Link (Online Journal): DOI: https://doi.org/10.3329/pa.v31i2.50710

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the above results it may be concluded that the treatment T₅ (Spray of Nitro (Chloropyriphos + Cypermethrin) @ 1ml/L of water) was more effective against flea beetle of cabbage in respect of reducing the number of flea beetle and head infestation as well as the highest head yield with the highest economic return.

Knowledge Management: Journal