Inter retrotransposon based genetic diversity and phylogenetic analysis among the Musa germplasm accessions

Saraswathi, Marimuthu Somasundaram; Uma, S.; Sathasivam, Ramaraj; Durai, P.; Mustaffa, M. M.; Kalaimughilan, Kalaiponmani; Chandrasekar, A.

doi:10.1007/s13562-019-00519-x

Cited by 8 publications

(9 citation statements)

References 39 publications

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“…AAB plantains such as Nendran (296 and 615), which were immune in the present study, clustered together (Fig. 4 ) in the IRAP-based diversity study 29 . Their morpho-molecular characterization 29 suggested the possibility of common ancestors to plantains.…”

Section: Discussionsupporting

confidence: 53%

“…Wild AA diploids such as Balukpong and M. acuminata -Assam, which were immune in the present study, were grouped in the same clade in the IRAP diversity studies (Fig. 4 ) 29 . Among the wild genotypes (seeded) with an immune reaction to Foc race 1, M. acuminata ssp.…”

Section: Discussionsupporting

confidence: 53%

“…Among the 23 AB diploid genotypes (Kunnan-14 and NeyPoovan-9), none were found to exhibit Foc resistance. Their morpho-molecular characterization 29 suggested that they might have evolved from the same ancestors (Fig. 4 ), which lacked Foc race 1 resistance.…”

Section: Discussionmentioning

confidence: 99%

“…4 ) in the IRAP-based diversity study 29 . Their morpho-molecular characterization 29 suggested the possibility of common ancestors to plantains. The resistant plantains are being grown commercially and have replaced Grand Naine in the Foc race 1 endemic area of Tamil Nadu in India.…”

Section: Discussionmentioning

confidence: 99%

“…Its residual female fertility offers scope for improvement through breeding. Among the AAB Pome types, Ladies Finger and Pacha were found to be resistant and clustered together in one microcluster sharing > 80% similarity based on the IRAP diversity analysis 29 . None of the AAB Unique genotypes exhibited resistance against Foc race 1, except Popoulu, an introduced banana genotype.…”

Section: Discussionmentioning

confidence: 99%

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Identification of sources resistant to a virulent Fusarium wilt strain (VCG 0124) infecting Cavendish bananas

Thangavelu

Saraswathi

Uma

et al. 2021

Sci Rep

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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.

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Section: Discussionsupporting

confidence: 53%

Section: Discussionsupporting

confidence: 53%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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