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Effectiveness of Practiced Management Option to Control Rice Stem Borer

Most. Surovi Sultana
Department of Agronomy & Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh

Md. Giush Uddin Ahmed
Department of Agronomy & Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh

Tamanna Yeasmin
Department of Agronomy & Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh

Mst. Nasrin Khanam
Department of Agronomy & Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh

Ferdous Akter
Department of Agronomy & Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh

S. M. Zillur Rahman
Caritas Rajshahi Region, Mohishbathan, Rajshahi, Bangladesh

Mr. Sukleash George Costa
Caritas Rajshahi Region, Mohishbathan, Rajshahi, Bangladesh

Mr. Augustin Baroi
Caritas Rajshahi Region, Mohishbathan, Rajshahi, Bangladesh

Md. Taibur Rahman
Caritas Rajshahi Region, Mohishbathan, Rajshahi, Bangladesh

Md. Abul Bashar Mollah
Caritas Rajshahi Region, Mohishbathan, Rajshahi, Bangladesh

M. Ekramul Hoque
Caritas Rajshahi Region, Mohishbathan, Rajshahi, Bangladesh

Abstract/ Executive Summary:

The rice stem borer infestation was a serious problem for rice cultivation in Bangladesh. It caused damage of rice yield. The objectives of this study were to evaluate the performance of two organic pesticides to control rice yellow stem borer. Two organic pesticides, Gonabum and Decomposed Neem Cake was tested to reduce rice stem borer at three locations (Paba, Baraigram, and Patnitala) in kharif season. Among three locations stem borer infestation of BINA Dhan-7 was highest at Patnitala location using Gonabum and lowest was at Baraigram location using Decomposed Neem Cake. Between two pesticides, Decomposed Neem Cake was performed better than Gonabum at Baraigram location. Decomposed Neem cake applied plot was sowed lowest number of affected tiller hill^-1 and the lowest number of affected panicle hill^-1 and highest yield at Baraigram location. Finally it was observed that rice yield increased with the decreased of insect infestation. Neem cake was suitable practiced management option to control rice yellow stem borer.

Keywords: Rice, Stem borer, Gonabum, Neem Cake

Location: Rajshahi zone at three locations (Paba, Baraigram, Patnitala)

Start Date: 00-00-2015

End Date: 00-00-2015

Program Area: Pest Management

Commodity: Pest, Pesticide

Objectives:

To identify sustainable management options for rice stem borer, to justify the efficacy of the two organic pesticides on rice stem borer and to reduce rice stem borer severity and improve grain yield.

Methodology:

Rice stem borer management- Field experiments were conducted with cultivated variety BINA dhan-7 during kharif season belong to the “Caritas Bangladesh” Rajshahi zone at three locations (Paba, Baraigram, Patnitala) in 2015. Two organic pesticides, Gonabum (1.0 kg of digestive system of poultry, 1.0 kg molasses and 5.0 L H₂O decomposed solution) and Decomposed Neem Cake were tested to control rice stem borer of BINA Dhan-7 at three locations. Gonabum was used 1:10 ratio with fresh water for spray and Decomposed Neem cake solution was sprayed with 7 days’ intervals according to insect infestation. Experimental design- The experiment was laid out in a randomized complete block design (RCBD). Each plot was 4m² in size. Pre-germinated seeds were sown in the wet nursery bed on 1^st July. One days old healthy seedlings were transplanted at as spacing of Plant to plant distance was 15 cm and line to line distance was 20 cm in the experimental plots on 20 July 2015. Land preparation and intercultural operations Urea: 180 kg/ha i.e. 728g/decimal. Was applied in 3 equal splits (1^st split 10 days after transplanting (DAT) + 2^nd split 25 days DAT and 3^rd split at the panicle initiation stage. TSP: 75 kg/ha i. e. 303g/decimal. Application was done before final land preparation. MOP: 90-112.3 Kg/ha i.e. 454g- 495g/decimal (½ at the basal + ½ with the 2^nd top dress of urea). Weeding was done manually. The first weeding was done at 15 DAT, the second and third weeding were done at 30 and 45 DAT, respectively. Experimental plots were irrigated as and when necessary. The crop was harvested at full maturity. Five hills (excluding border hills) were randomly selected from each plot and tagged for recording necessary data. Data analysis- The collected data was analyzed statistically by using two applications, SPSS Statistics V22 and Microsoft office Excel 2010.

Source of Information: International Journal of Agronomy and Agricultural Research, Vol. 10, No. 1, p. 60-64, 2017

Article Link (Online Journal): http://www.innspub.net

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Finally it was observed that rice yield increased with the decreased of insect infestation. Neem cake was suitable practiced management option to control rice yellow stem borer.

Knowledge Management: Journal