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Expert Elicitation for Estimating Varietal Adoption of Lentil in Bangladesh

M. A. RASHID
Principal Scientific Officer
, Agricultural Economics Division, BARI, Gazipur.

TANVIR M. B. HOSSAIN
Senior Scientific Officer
, Agricultural Economics Division, BARI, Gazipur.

Abstract/ Executive Summary:

The study was undertaken to find out variety wise adoption rate of lentil in Bangladesh through expert elicitation procedure. Many varieties have been developed by BARI and BINA but in details of varietal information and adoption information database was not developed which is very important and valuable for the scientist and policy planner. This study through expert elicitation for constructing detail varietal development and adoption database is timely and necessary for the research institute. From all over the Bangladesh 12 experts was invited to share their valuable knowledge and experience on lentil cultivation and adoption in the country. The average age of the experts were 51 yrs and average experience on lentil adoption was 21 yrs. The lentil expert informed that 16 major varieties are adopted by the farmers in the recent year (2013-14). Among those varieties, Barimasur-6 covered highest cultivated area (54,642 ha) which shared 30.04% of total lentil cultivated area. Barimasur-4, Barimasur-3 and Barimasur-5 ranked 2^nd, 3^rd and 4^th position according to the share of cultivated area covered. The seed production information showed that BADC the only lentil seed producer supplied 2151 mt of lentil seed in the year 2009-2013. The trend of seed production by different lentil variety revealed that over the period 2009-13, the seed production of Barimasur-3 increased sharply but Barimasur-4 gradually decreased. The adoption of variety Barimasur-6 increased due to its high yield attribute. The another variety Barimasur-4 and Barimasur-3 adoption increased due to its high yield, resistant to rust disease attributes which showed increasing adoption path among the expert. Satisfying higher demand for lentil consumption and ensuring food security through providing alternative to winter crops are the major concerning issue of the policy planner and the scientist.

Keywords: Expert elicitation, Varital adoption, Lentil

Location: Rajshahi, Jessore, Barisal zone of Bangladesh

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Knowledge Management

Commodity: Lentil

Objectives:

To assemble, document, process and clean data collected on varietal release and varietal adoption at the national level for lentil in Bangladesh

Methodology:

The main approach is to assemble the relevant data for the most recent years from multiple sources such as national data sources (BBS, DAE), Annual Report of pulse research center of BARI, BARI annual report, Books of BARI developed crop varieties, consultation with related scientists and EE workshop.Lentil is grown in most of the areas of Bangladesh. As per the statistics of DAE, the total area under lentil cultivation is 0.18 million hectare with the production of 2.16 million tons during 2013-14. The adoption study of lentil variety has been taken-up top four zones of Rajshahi, Jessore, Barisal zone of Bangladesh because they were the top producer’s zones of lentil occupying an area 92.36% and production of about 94% during 2013-14.

Source of Information: Annual Research Report, 2014-15, AGRICULTURAL ECONOMICS DIVISION, Bangladesh Agricultural Research Institute Joydebpur, Gazipur-1701, August, 2015

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The adoption rate information provided by experts revealed that 12 different varieties were cultivated on highest percentage of cultivation area. Among those cultivated varieties, finding of the EE workshop revealed that the farmers adopted lentil varieties such as Barimasur-6, Barimasur-4 and Barimasur-3 etc.. Barimasur-6 was highly adopted variety (30.04%) followed by Barimasur-4 (23.41%), Barimasur-3 (13.1%), Barimasur-5 (7.4%), Barimasur-7 (4.79%), Binamasur-5 (1.94%), Barimasur-2 (1.87%), and Barimasur-1 (1.7%). Others varieties such as Binamasur-1, Binamasur-2 and Binamasur-3 etc. occupied rest of the total lentil areas in Bangladesh A difference was found between the percentage of adoption area mentioned by the experts and percentage found in secondary source. The difference in adoption percentage might be due to different study year and also difference in study area location. Seed production information is not publicly available. In spite of that, the breeder seed information from BADC showed that Barimasur-3 increased sharply but Barimasur-4 gradually decreased.The adoption of variety Barimasur-6 increased due to its high yield attribute. The another variety Barimasur-4 and Barimasur-3 adoption increased due to its high yield, resistant to rust disease attributes. Variety developed by NARS with the support of ICARDA has a small share in adoption status. This indicated that there is a very wide scope to give more emphasis on varietal improvement of lentil by NARS. To ensure food security in the country, it is very important to encourage and support the farmers to grow more lentil through providing improved cultivation technology to the farmers.

Knowledge Management: Report/Proceedings