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Economic benefits of blast-resistant biofortified wheat in Bangladesh: The case of BARI Gom 33

孟加拉国抗爆生物强化小麦的经济效益:以BARI Gom 33为例

关键词:
来源:
Elsevier
全文链接1:
http://agri.ckcest.cn/topic/downloadFile/c601d403-2c59-4845-a564-5232726c93ba
全文链接2:
https://doi.org/10.1016/j.cropro.2019.05.013
类型:
学术文献
语种:
英语
原文发布日期:
2019-05-18
摘要:
The first occurrence of wheat blast in 2016 threatened Bangladesh’s already precarious food security situation. The Bangladesh Agricultural Research Institute (BARI), together with the International Maize and Wheat Improvement Center (CIMMYT) developed and released the wheat variety BARI Gom 33 that is resistant to wheat blast and other common diseases. The new variety provides a 5–8% yield gain over the available popular varieties, as well as being zinc enriched. This study examines the potential economic benefits of BARI Gom 33 in Bangladesh. First, applying a climate analogue model, this study identified that more than 55% of the total wheat-growing area in Bangladesh (across 45 districts) is vulnerable to wheat blast. Second, applying an ex-ante impact assessment framework, this study shows that with an assumed cumulative adoption starting from 2019–20 and increasing to 30% by 2027–28, the potential economic benefits of the newly developed wheat variety far exceeds its dissemination cost by 2029–30. Even if dissemination of the new wheat variety is limited to only the ten currently blast-affected districts, the yearly average net benefits could amount to USD 0.23–1.6 million. Based on the findings, international funder agencies are urged to support the national system in scaling out the new wheat variety and wheat research in general to ensure overall food security in Bangladesh and South Asia.
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