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Optimization of Sowing Time of BARI Sarisha 14 & BARI Sarisha 15 in Chittagong Region

Md. Golam Azam
Oilseed breeding division, Regional Agricultural Research Station, Bangladesh Agriculture Research Institute (BARI), Hathazari

Ruby Akter
Horticulture Division, RHRS, BARI, Narsingdi

Muhammad Shahrukh Rahman
Economics Division, BARI, Joydebpur

Sujan Mahmud
Agronomy Division, Regional Agriculture Research Centre, BARI, Hathazari

Md. Rashidul Alam
Regional Agricultural Research Station, BARI, Hathazari

Md. Omar Faruq
Commissioned Research Project, Krishi Gobeshona Foundation, Bandarban, Bangladesh

Md. Mahbubur Rahman
Agronomy Division, Regional Agriculture Research Centre, BARI, Hathazari

Abstract/ Executive Summary:

The experiment was conducted in RARS, BARI Hathazari during Robi season in 2014-2015 and 2015-2016 to find out the best variety and best sowing time of mustard under the agro ecological condition of Chittagong region. There were two varieties viz. V1=BARI Sarisha 14 and V1=BARI Sarisha 15 and six sowing date viz. S1=10 November, S2=20 November, S3= 30 November, S4=10 December, S5=20 December and S6=30 December. Significant variations due to different sowing time and varieties were observed in days to 50% flowering, days to maturity, plant height, branches plant-1, siliqua plant-1, length of siliqua, seeds siliqua-1, 1000 seeds weight (g), yield plot^-1 and yield kg ha^-1. Result showed that highest yield was 2083 kg ha^-¹ obtained from BARI Sarisha 15 on 20 November (V2S2) followed by 1667 kg ha^-¹ obtained from BARI Sarisha 14 on 20 November (V1S2). From the result it can be concluded that best variety is BARI Sarisha 15 and best sowing date is 20 November for Chittagong Region but both varieties can give satisfactory if they are sown from 10 November to 10 December.

Keywords: Mustard variety, Sowing time, Chittagong Region, BARI sarisha

Location: Regional Agricultural Research Station, Bangladesh Agriculture Research Institute, Hathazari

Start Date: 00-10-2014

End Date: 00-04-2016

Program Area: Crop-Soil-Water Management

Commodity: Mustard

Objectives:

The experiment was undertaken to find out the best variety and optimize the best sowing time for mustard for Chittagong region.

Methodology:

The experiment was conducted at Regional Agricultural Research Station, Bangladesh Agriculture Research Institute, Hathazari during Rabi season in 2014-15 and 2015-16. Geographically the experimental field was located at 22⁰30’06.1” N latitude and 91⁰47’40.0” E longitude at an average elevation of 20 m above the of sea level.The experimental site belongs to Agro Ecological Zone (AEZ-29) known as the Northern and Eastern hills. The experimental treatments were two varieties and six sowing dates. The varieties were V1=BARI Sarisha 14 and V1=BARI Sarisha 15. The sowing dates were S1=10 November, S2=20 November, S3= 30 November, S4=10 December, S5=20 December and S6=30 December. Hence there were twelve treatments in the experiment viz. T1=V1S1, T2=V1S2,T3=V1S3, T4=V1S4, T5=V1S5,T6=V1S6, T7=V2S1, T8=V2S2,T9=V2S3, T10=V2S4, T11=V2S5,T12=V2S6. The experimental design was Randomized Complete Block Design (RCBD) with 3 replications having plot size of 3m X 2m.Seeds were sown in continuous and row was 30 cm apart from each. The seedlings were thinned after few days of germination maintaining 5 cm distance from each other.Fertilizer were applied @ 120:80:60:40:4 and 1 kg/ha of N: P2O5:K2O: S: Zn and B respectively. Half of the urea and all other fertilizers were applied during final land preparation. The rest of the urea was applied at the initial stage of flowering. All intercultural operations were done timely to raise the crop uniformly. Data were recorded on days to 50% flowering, days to maturity, plant height, branches plant^-1, siliqua plant-1, length of siliqua, seeds siliqua-1, 1000 seeds weight, yield plot-1 and yield kg ha^-1. The plot yield was converted into kg/hectare.The yield contributing characters were recorded from 5 randomly selected plants of each plot. The collected data were analyzed using computer package MSTAT-C and mean differences were adjudged by using Duncan’s Multiple Range Test.

Source of Information: J. Biosci. Agric. Res. 17(02): 1431-1435

Article Link (Online Journal): https://doi.org/10.18801/jbar.170218.177

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Result revealed that best sowing time is 20 November and best variety is BARI Sarisha 15. But farmer can get satisfactory yield from both of the varieties if they sow mustard from 10 November-10 December in Chittagong region.

Knowledge Management: Journal