Identification of sources resistant to a virulent Fusarium wilt strain (VCG 0124) infecting Cavendish bananas
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Title |
Identification of sources resistant to a virulent Fusarium wilt strain (VCG 0124) infecting Cavendish bananas
Not Available |
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Creator |
R Thangavelu, M S Saraswathi , S Uma , M Loganathan , S Backiyarani , P Durai , E Edwin Raj , N Marimuthu , G Kannan , R Swennen
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Subject |
Identification, resistant, virulent, Fusarium wilt strain, (VCG 0124) ,Cavendish bananas
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Description |
Not Available
Bananas are vital for food security in many countries, and half of banana production relies solely on 'Cavendish' (AAA), which is presently threatened by the fungal pathogen Fusarium oxysporum f. sp. cubense (Foc) tropical race 4. This particular virulent Foc strain was also found to attack other banana varieties of commercial importance. As there is no single effective management practice available so far, this study was undertaken to determine resistant sources from the genotype collection available at the ICAR-National Research Centre for Banana, Tiruchirappalli, Tamil Nadu, India for direct use by farmers and/or in breeding programmes to develop resistant hybrids. A total of 258 genotypes of different ploidies and genomic constitutions were tested against Foc race 1 (VCG 0124). In total, 19 genotypes (AA Unique-6, BB type-2, AAA Unique-1, AAA Cavendish-1, AAB Mysore-3, AAB Pome-1, AAB Plantain-4 and AAAB-1) were found to be immune; eight genotypes (AA Unique-1, BB type-3, AAA Cavendish-1, AAB Mysore-1, AAB Unique-1, AAB Plantain-1) were highly resistant; and nine genotypes (AA Unique-1, AAA Cavendish-3, AAB Silk-1, AAB Pome-4) were resistant. The genotypes that are resistant to the virulent Foc race 1 (VCG 0124) strain can be exploited directly for commercialization and/or in breeding programs to develop resistant hybrids. Not Available |
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Date |
2021-07-19T09:05:31Z
2021-07-19T09:05:31Z 2021-02-04 |
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Type |
Research Paper
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Identifier |
Raman, Thangavelu & Saraswathi, Marimuthu & Uma, S. & Loganathan, M & Suthanthiram, Backiyarani & Durai, Prabhakaran & Edwinraj, Esack & Marimuthu, N. & G., Kannan & Swennen, Rony. (2021). Identification of sources resistant to a virulent Fusarium wilt strain (VCG 0124) infecting Cavendish bananas. Scientific Reports. 11. 10.1038/s41598-021-82666-7.
2045-2322 http://krishi.icar.gov.in/jspui/handle/123456789/48795 |
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Language |
English
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Relation |
Not Available;
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Publisher |
pubmed
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