Farmers’ Preference, Yield, and GGE-Biplot Analysis-Based Evaluation of Four Sweet Potato ( Ipomoea batatas L.) Varieties Grown in Multiple Environments

Abdullah Al Mahmud, Mohamed M. Hassan, Md Jahangir Alam, Md Samim Hossain Molla, Md Akkas Ali, Haridas Chandra Mohanta, Md Shahidul Alam, Md Aminul Islam, Md Alamin Hossain Talukder, Md Zannatul Ferdous, Md Ruhul Amin, Md Faruque Hossain, Md Mazharul Anwar, Md Shahidul Islam, Eldessoky S. Dessoky and Akbar Hossain
Additional contact information
Abdullah Al Mahmud: On-Farm Research Division (OFRD), Bangladesh Agricultural Research Institute (BARI), Gaibandha 5700, Bangladesh
Mohamed M. Hassan: Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Md Jahangir Alam: On-Farm Research Division (OFRD), Bangladesh Agricultural Research Institute (BARI), Gaibandha 5700, Bangladesh
Md Samim Hossain Molla: OFRD, BARI, Rangpur 5400, Bangladesh
Md Akkas Ali: OFRD, BARI, Joydebpur 1701, Bangladesh
Haridas Chandra Mohanta: Regional Horticulture Research Centre, BARI, Chapainawabganj 6300, Bangladesh
Md Shahidul Alam: OFRD, BARI, Bogra 5800, Bangladesh
Md Aminul Islam: OFRD, BARI, Bogra 5800, Bangladesh
Md Alamin Hossain Talukder: OFRD, BARI, Rangpur 5400, Bangladesh
Md Zannatul Ferdous: OFRD, BARI, Rangpur 5400, Bangladesh
Md Ruhul Amin: OFRD, BARI, Manikganj 1801, Bangladesh
Md Faruque Hossain: OFRD, BARI, Joydebpur 1701, Bangladesh
Md Mazharul Anwar: OFRD, BARI, Rajshahi 6201, Bangladesh
Md Shahidul Islam: OFRD, BARI, Bhola 8300, Bangladesh
Eldessoky S. Dessoky: Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Akbar Hossain: Department of Agronomy, Bangladesh Wheat and Maize Research Institute, Dinajpur 5200, Bangladesh

Sustainability, 2021, vol. 13, issue 7, 1-14

Abstract: The study aimed to select high-yielding, farmers-preferred quality sweet potato varieties that are suitable to grow in various environmental conditions in Bangladesh. In this context, four popular sweet potato varieties (viz., ‘BARI Mistialu-8′, ‘BARI Mistialu-12′, ‘BARI Mistialu-14′, and ‘BARI Mistialu-15′) were used in the study. These varieties were released by Bangladesh Agricultural Research Institute (BARI). In the first season (2018–2019), these varieties were evaluated at nine locations, and in the second season (2019–2020), the same varieties were tested further, but only in three locations. The trial was set up in a randomized complete block design and repeated three times. After two years of observation, it was found that the fresh root yield was varied significantly due to the environment (E), genotypes (G), and their (G × E) interaction ( p ≤ 0.01) by using genotype and genotype x environment (GGE) biplot analysis. The E and G × E interaction effects were found to the greater than the genotypes effect solely. In the first year, three varieties, namely ‘BARI Mistialu-8′, ‘BARI Mistialu-12′ and ‘BARI Mistialu-14′, were identified as balanced and comparatively higher in yield in nine locations. These three varieties also showed a similar trend with respect to root yield in tested three locations in the second year. Among the four varieties, ‘BARI Mistialu-12′ was found to be the highest root yielder, followed by ‘BARI Mistialu-8′ and ‘BARI Mistialu-14′. Across the locations, these varieties showed 57.89%, 61.50% and 44.30% higher yield than the local check cultivar. Therefore, these three varieties may be recommended as the best varieties of sweet potato throughout the country.

Keywords: sweet potato; yield; quality; smallholders; GGE biplot analysis; on-farm trial (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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