Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methods
IntroductionIn the Asian tropics, unpredictable weather increases the risk of abiotic stresses in sorghum areas, making it harder to meet predicted demand. Genotype-by environment interaction (GEI) and the lack of an effective multi-trait-based selection approach make it challenging to breed climate...
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Frontiers Media S.A.
2024-03-01
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| Series: | Frontiers in Plant Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpls.2024.1248663/full |
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| author | Partha Pratim Behera Avinash Singode B. Venkatesh Bhat Venkateswarlu Ronda Nayanmoni Borah Harendra Verma Labhya Rani Gogoi Jyoti Lekha Borah Prasanta Kumar Majhi Niharika Saharia Ramendra Nath Sarma |
| author_facet | Partha Pratim Behera Avinash Singode B. Venkatesh Bhat Venkateswarlu Ronda Nayanmoni Borah Harendra Verma Labhya Rani Gogoi Jyoti Lekha Borah Prasanta Kumar Majhi Niharika Saharia Ramendra Nath Sarma |
| author_sort | Partha Pratim Behera |
| collection | DOAJ |
| description | IntroductionIn the Asian tropics, unpredictable weather increases the risk of abiotic stresses in sorghum areas, making it harder to meet predicted demand. Genotype-by environment interaction (GEI) and the lack of an effective multi-trait-based selection approach make it challenging to breed climateresilient forage sorghum that adapts to nonconventional areas.MethodsThe present investigation carried out to estimate genetic parameters, inter trait associations, genetic gain under selection (SGs) of 95 diverse forage sorghum genotypes. Fourteen forage yield and other secondary traits were evaluated at five different growing seasons at two locations. Negative and positive genetic gains under selection were estimated across different growing seasons including Kharif, Rabi and Summer in the year 2020 and 2021.Results and discussionThe GEI effects were significant (P < 0.001) for all the studied traits. The multi trait based stability indices have been said to assist breeders in ensuring sustained progress in primary traits likeforage yield without sacrificing genetic advancement in secondary traits. Fourteen genotypes were selected through each evaluation methods including genotype – ideotype distance index (MGIDI), multi-trait stability index (MTSI), multi-trait stability and mean performance (MTMPS) and multi-trait index based on factor analysis and genotype-ideotype distance (FAIBLUP Index), assuming 15% selection intensity. According to MGIDI, the selected genotypes exhibited desired positive genetic gains for dry forage yield per plant, inter-nodal length, green forage yield per plant, and plant height and negative genetic gains for days to 50% flowering. The strength and weakness plot is a potential graphical tool as portrayed by MGIDI, to identify and develop desirable genotype for particular environment. Two genotypes, G36 (302B) and G89 (348B) were found to be common across all four evaluation methods based on all the studied traits.BackgroundMulti-trait stability evaluation approaches are reliable and accessible for selecting multiple traits under varied testing environments with low multicollinearity issues. These tools proved effective in enhancing selection strategies and optimising breeding schemes for the development of climate-resilient forage sorghum genotypes. The aforementioned genotypes were found to be the most reliable, high-yielding, and earlymaturing and could be suggested for variety and hybrid development and ideotype breeding programmes to ensure the food and nutritional security. |
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| spelling | doaj.art-8b3af34392564b2d9139acc1da74a5b82024-03-11T11:13:27ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2024-03-011510.3389/fpls.2024.12486631248663Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methodsPartha Pratim Behera0Avinash Singode1B. Venkatesh Bhat2Venkateswarlu Ronda3Nayanmoni Borah4Harendra Verma5Labhya Rani Gogoi6Jyoti Lekha Borah7Prasanta Kumar Majhi8Niharika Saharia9Ramendra Nath Sarma10Department of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, Assam, IndiaDepartment of Plant Breeding, Indian Council of Agricultural Research (ICAR) - Indian Institute of Millets Research, Hyderabad, Telangana, IndiaDepartment of Plant Breeding, Indian Council of Agricultural Research (ICAR) - Indian Institute of Millets Research, Hyderabad, Telangana, IndiaDepartment of Bio-chemistry, Indian Council of Agricultural Research (ICAR) - Indian Institute of Millets Research, Hyderabad, Telangana, IndiaAssam Don Bosco University, Guwahati, Assam, IndiaNagaland Centre, ICAR Research Complex for North Eastern Hill (NEH) Region, Dimapur, Nagaland, IndiaDepartment of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, Assam, IndiaDepartment of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, Assam, IndiaDepartment of Plant Breeding and Genetics, Regional Research and Technology Transfer Station, Odisha University of Agriculture and Technology, Odisha, IndiaDepartment of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, Assam, IndiaDepartment of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, Assam, IndiaIntroductionIn the Asian tropics, unpredictable weather increases the risk of abiotic stresses in sorghum areas, making it harder to meet predicted demand. Genotype-by environment interaction (GEI) and the lack of an effective multi-trait-based selection approach make it challenging to breed climateresilient forage sorghum that adapts to nonconventional areas.MethodsThe present investigation carried out to estimate genetic parameters, inter trait associations, genetic gain under selection (SGs) of 95 diverse forage sorghum genotypes. Fourteen forage yield and other secondary traits were evaluated at five different growing seasons at two locations. Negative and positive genetic gains under selection were estimated across different growing seasons including Kharif, Rabi and Summer in the year 2020 and 2021.Results and discussionThe GEI effects were significant (P < 0.001) for all the studied traits. The multi trait based stability indices have been said to assist breeders in ensuring sustained progress in primary traits likeforage yield without sacrificing genetic advancement in secondary traits. Fourteen genotypes were selected through each evaluation methods including genotype – ideotype distance index (MGIDI), multi-trait stability index (MTSI), multi-trait stability and mean performance (MTMPS) and multi-trait index based on factor analysis and genotype-ideotype distance (FAIBLUP Index), assuming 15% selection intensity. According to MGIDI, the selected genotypes exhibited desired positive genetic gains for dry forage yield per plant, inter-nodal length, green forage yield per plant, and plant height and negative genetic gains for days to 50% flowering. The strength and weakness plot is a potential graphical tool as portrayed by MGIDI, to identify and develop desirable genotype for particular environment. Two genotypes, G36 (302B) and G89 (348B) were found to be common across all four evaluation methods based on all the studied traits.BackgroundMulti-trait stability evaluation approaches are reliable and accessible for selecting multiple traits under varied testing environments with low multicollinearity issues. These tools proved effective in enhancing selection strategies and optimising breeding schemes for the development of climate-resilient forage sorghum genotypes. The aforementioned genotypes were found to be the most reliable, high-yielding, and earlymaturing and could be suggested for variety and hybrid development and ideotype breeding programmes to ensure the food and nutritional security.https://www.frontiersin.org/articles/10.3389/fpls.2024.1248663/fullforage sorghumgenotype-by-environment interaction (GEI)genetic gain under selectionmulti trait based stability indicesvariety development |
| spellingShingle | Partha Pratim Behera Avinash Singode B. Venkatesh Bhat Venkateswarlu Ronda Nayanmoni Borah Harendra Verma Labhya Rani Gogoi Jyoti Lekha Borah Prasanta Kumar Majhi Niharika Saharia Ramendra Nath Sarma Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methods Frontiers in Plant Science forage sorghum genotype-by-environment interaction (GEI) genetic gain under selection multi trait based stability indices variety development |
| title | Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methods |
| title_full | Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methods |
| title_fullStr | Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methods |
| title_full_unstemmed | Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methods |
| title_short | Genetic gains in forage sorghum for adaptive traits for non - conventional area through multi-trait-based stability selection methods |
| title_sort | genetic gains in forage sorghum for adaptive traits for non conventional area through multi trait based stability selection methods |
| topic | forage sorghum genotype-by-environment interaction (GEI) genetic gain under selection multi trait based stability indices variety development |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2024.1248663/full |
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