The Effect of Selenium Sources and Rates on Cowpea Seed Quality
Selenium (Se) is a beneficial element for plants and is essential for human nutrition. In plants, it plays an important role in the formation of selenocysteine and selenomethionine and in the activation of hydrolytic enzymes, which can aid in seed germination and reduce abiotic stress during germina...
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MDPI AG
2024-12-01
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| author | Rhayra Zanol Pereira Luiz Eduardo de Morais Fernandes Fontes Vinícius Martins Silva Alan Mario Zuffo Ceci Castilho Custódio Francisco Vanies da Silva Sá André Rodrigues dos Reis Charline Zaratin Alves |
| author_facet | Rhayra Zanol Pereira Luiz Eduardo de Morais Fernandes Fontes Vinícius Martins Silva Alan Mario Zuffo Ceci Castilho Custódio Francisco Vanies da Silva Sá André Rodrigues dos Reis Charline Zaratin Alves |
| author_sort | Rhayra Zanol Pereira |
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| description | Selenium (Se) is a beneficial element for plants and is essential for human nutrition. In plants, it plays an important role in the formation of selenocysteine and selenomethionine and in the activation of hydrolytic enzymes, which can aid in seed germination and reduce abiotic stress during germination. The objective of this study was to evaluate the effects of the application of selenium sources and rates to the soil on the physiological quality of cowpea seeds. The experimental design was a randomized block with four replications and a factorial scheme (7 × 2). Two sources of Se (sodium selenate and sodium selenite) and seven rates (0, 2.5, 5, 10, 20, 40 and 60 g ha<sup>−1</sup>) were used. Physiological characterization was carried out by first counting of germination, germination, emergence, accelerated aging, cold testing, electrical conductivity, length and dry biomass of shoots and roots. Germination after accelerated aging increased with selenate, even at higher rates, whereas selenite provided benefits at lower rates. Selenation linearly increased germination after the cold test and linearly reduced electrolyte leakage as the Se rate increased. The soil application of Se is beneficial for cowpea seed quality. Compared with those treated with sodium selenite, cowpea plants treated with sodium selenate through the soil produce more vigorous seeds. The application of 10 g ha<sup>−1</sup> Se in the form of sodium selenate provides seedlings with faster germination and root development and is an alternative for rapid stand establishment. |
| format | Article |
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| institution | Kabale University |
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| language | English |
| publishDate | 2024-12-01 |
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| series | Agronomy |
| spelling | doaj-art-db91816f92f8440ea830d931bd0431f72024-12-27T14:04:16ZengMDPI AGAgronomy2073-43952024-12-011412288210.3390/agronomy14122882The Effect of Selenium Sources and Rates on Cowpea Seed QualityRhayra Zanol Pereira0Luiz Eduardo de Morais Fernandes Fontes1Vinícius Martins Silva2Alan Mario Zuffo3Ceci Castilho Custódio4Francisco Vanies da Silva Sá5André Rodrigues dos Reis6Charline Zaratin Alves7Department of Agronomy, Federal University of Mato Grosso do Sul (UFMS), Chapadão do Sul 79560-000, BrazilDepartment of Agronomy, Federal University of Mato Grosso do Sul (UFMS), Chapadão do Sul 79560-000, BrazilDepartment of Agronomy, University Center of Ourinhos Integrated Colleges (UNIFIO), Ourinhos 19909-100, BrazilDepartment of Agronomy, State University of Maranhão (UEMA), Balsas 65800-000, BrazilDepartment of Agronomy, University of Oeste Paulista (UNOESTE), Presidente Prudente 19050-680, BrazilDepartment of Agronomic and Forest Science, Federal Rural University of the Semi-Arid (UFERSA), Mossoró 59625-900, BrazilDepartment of Biosystems Engineering, São Paulo State University (UNESP), Rua Domingos da Costa Lopes 780, Jd. Itaipu, Tupã 17602-496, BrazilDepartment of Agronomy, Federal University of Mato Grosso do Sul (UFMS), Chapadão do Sul 79560-000, BrazilSelenium (Se) is a beneficial element for plants and is essential for human nutrition. In plants, it plays an important role in the formation of selenocysteine and selenomethionine and in the activation of hydrolytic enzymes, which can aid in seed germination and reduce abiotic stress during germination. The objective of this study was to evaluate the effects of the application of selenium sources and rates to the soil on the physiological quality of cowpea seeds. The experimental design was a randomized block with four replications and a factorial scheme (7 × 2). Two sources of Se (sodium selenate and sodium selenite) and seven rates (0, 2.5, 5, 10, 20, 40 and 60 g ha<sup>−1</sup>) were used. Physiological characterization was carried out by first counting of germination, germination, emergence, accelerated aging, cold testing, electrical conductivity, length and dry biomass of shoots and roots. Germination after accelerated aging increased with selenate, even at higher rates, whereas selenite provided benefits at lower rates. Selenation linearly increased germination after the cold test and linearly reduced electrolyte leakage as the Se rate increased. The soil application of Se is beneficial for cowpea seed quality. Compared with those treated with sodium selenite, cowpea plants treated with sodium selenate through the soil produce more vigorous seeds. The application of 10 g ha<sup>−1</sup> Se in the form of sodium selenate provides seedlings with faster germination and root development and is an alternative for rapid stand establishment.https://www.mdpi.com/2073-4395/14/12/2882sodium selenate and sodium selenitesoil application<i>Vigna unguiculata</i> L. Walp.seed vigorseed physiological potential |
| spellingShingle | Rhayra Zanol Pereira Luiz Eduardo de Morais Fernandes Fontes Vinícius Martins Silva Alan Mario Zuffo Ceci Castilho Custódio Francisco Vanies da Silva Sá André Rodrigues dos Reis Charline Zaratin Alves The Effect of Selenium Sources and Rates on Cowpea Seed Quality Agronomy sodium selenate and sodium selenite soil application <i>Vigna unguiculata</i> L. Walp. seed vigor seed physiological potential |
| title | The Effect of Selenium Sources and Rates on Cowpea Seed Quality |
| title_full | The Effect of Selenium Sources and Rates on Cowpea Seed Quality |
| title_fullStr | The Effect of Selenium Sources and Rates on Cowpea Seed Quality |
| title_full_unstemmed | The Effect of Selenium Sources and Rates on Cowpea Seed Quality |
| title_short | The Effect of Selenium Sources and Rates on Cowpea Seed Quality |
| title_sort | effect of selenium sources and rates on cowpea seed quality |
| topic | sodium selenate and sodium selenite soil application <i>Vigna unguiculata</i> L. Walp. seed vigor seed physiological potential |
| url | https://www.mdpi.com/2073-4395/14/12/2882 |
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