Characterization of Phenotypic Diversity of Feijoa Fruits of Germplasm Accessions in Brazil

Sánchez-Mora, Fernando David; Saifert, Luciano; Ciotta, Marlise Nara; Ribeiro, Humberto Nunes; Petry, Vanessa Samara; Rojas-Molina, Anyela Mayerly; Lopes, Morgana Elis; Lombardi, Gregório Giampiccolo; Santos, Karine Louise dos; Ducroquet, Jean Pierre Henri Joseph; Nodari, Rubens Onofre

doi:10.2134/age2019.01.0005

Cited by 10 publications

(16 citation statements)

References 33 publications

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“…A correlação entre o rendimento de polpa e a espessura de casca já foi avaliada anteriormente em outros estudos (DEGENHARDT et al, 2003;DONAZZOLO et al, 2017). No estudo em que foram utilizados frutos de 229 acessos do BAG, as características peso total de fruto, diâmetro do fruto e espessura da casca estão fortemente relacionadas ao rendimento da polpa (SÁNCHEZ-MORA et al, 2019). Assim, nem todos os acessos com maior peso do fruto produzirão o maior rendimento de polpa, pois quanto maior o peso de fruto, também poderá ser maior o peso da casca, o comprimento e o diâmetro do fruto (DEGENHARDT et al, 2003), a depender das condições climáticas e do manejo.…”

Section: Discussionunclassified

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Avaliação de frutos de goiabeira-serrana cultivados no meio oeste de Santa Catarina, Brasil

Sánchez-Mora¹,

Saifert²,

Petry³

et al. 2020

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O objetivo do presente estudo foi determinar o comportamento das características físico-químicas dos frutos de sete genótipos de goiabeira-serrana cultivados em dois locais em Santa Catarina. A avaliação foi realizada nas safras 2011/12, 2014/15 e 2015/16 nos genótipos 85, 101, 223, 458 e 509, na localidade de Fraiburgo (comunidade Papuã), e nas safras 2014/15 e 2015/16, nos genótipos 28.12 e 527, na localidade de Água Doce (comunidade Vista Alegre). Foram avaliados diâmetro (cm), comprimento (cm) e peso do fruto (g), peso de casca e polpa (g), espessura de casca (mm) e sólidos solúveis totais (grau Brix). Foram realizadas análise de variância, comparação entre médias pelo teste Tukey (p < 0,05) e correlações de Pearson (p < 0,05) entre as características dos frutos. Em Água Doce, o genótipo 527 registrou o maior diâmetro e peso do fruto (88,7 g). Em Fraiburgo, destacou-se o genótipo 85, que registrou o maior peso de fruto (94,9 g) e 509 com maior rendimento de polpa (37,5%). Foi constatado que nem todos os genótipos com maior peso do fruto foram os que obtiveram maior rendimento de polpa, confirmando que as variáveis espessura da casca e tamanho do fruto estão diretamente relacionadas com o rendimento. A variação nos valores de sólidos solúveis totais foi afetada pela influência do ambiente e do genótipo.

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Section: Discussionunclassified

“…De cada genótipo avaliado foi coletada uma amostra de 10 frutos (DEGENHARDT et al, 2002;SÁNCHEZ-MORA et al, 2019), no ponto de colheita comercial (quando se desprendem facilmente da planta). As amostras foram transportadas para o Laboratório de Fisiologia do Desenvolvimento e Genética Vegetal (LFDGV) da UFSC, onde foram realizadas as avaliações.…”

Section: Methodsunclassified

Avaliação de frutos de goiabeira-serrana cultivados no meio oeste de Santa Catarina, Brasil

Sánchez-Mora¹,

Saifert²,

Petry³

et al. 2020

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“…Other studies detected lower genetic (Donazzolo et al, 2020) and phenotypic diversity (Borsuk et al, 2017;Sánchez-Mora et al, 2019) in the Uruguay type compared with the Brazil type. Furthermore, the genetic distances amongst the Uruguay type accessions are smaller compared with the Brazil type accessions, as documented in the present study and by previous studies (Borsuk, 2018;Donazzolo, 2012;Donazzolo et al, 2020).…”

Section: Missing In Agb-feijoamentioning

confidence: 76%

“…In addition, the 12 accessions identified as “Exterior” in this study originated from four countries (Supplemental Table S1) and are genotypes of Uruguay type, with a narrow genetic base, as previously reported (Dettori & Palombi, 2000; Ducroquet et al., 2000; Nodari et al., 1997; Thorp & Bieleski, 2002). Other studies detected lower genetic (Donazzolo et al., 2020) and phenotypic diversity (Borsuk et al., 2017; Sánchez‐Mora et al., 2019) in the Uruguay type compared with the Brazil type. Furthermore, the genetic distances amongst the Uruguay type accessions are smaller compared with the Brazil type accessions, as documented in the present study and by previous studies (Borsuk, 2018; Donazzolo, 2012; Donazzolo et al., 2020).…”

Section: Discussionmentioning

confidence: 87%

“…To improve the scientific basis for the utilization of feijoa, it is necessary to have genotypic characterization in addition to the anatomical and morphological characterization of the fruit (Esemann‐Quadros et al., 2008). Previously, studies characterized the fruit physicochemical traits for 229 accessions of the AGB‐Feijoa (Sánchez‐Mora et al., 2019). The feijoa accessions exhibit high variability in fruit traits, and years caused the greatest effect to all fruit trait phenotypes in southern Brazil.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of the genetic diversity in the feijoa accessions maintained at Santa Catarina, Brazil

et al. 2020

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Feijoa [Acca sellowaiana (O. Berg) Burret], also known as pineapple guava or goiabeira‐serrana, is a species of the Myrtaceae family native to southern Brazil and Uruguay. The genetic diversity of feijoa's natural populations has been studied and is relatively well‐documented; however, the genetic diversity of feijoa accessions in the largest active germplasm bank (AGB) in Brazil, and is still poorly documented. Characterizing and conserving pineapple guava accessions present in the AGB is essential for developing breeding programs and conserving the diversity of the species. Thus, the objective of this study was to characterize the genetic diversity of all accessions using eight microsatellite markers. The AGB collection includes accessions from 26 municipalities in Brazil, New Zealand, the United States, Israel, and Uruguay; selected clones, and selections of directed crossings, totaling 313 accessions. Genotyping 309 of these accessions with eight microsatellite markers revealed 119 alleles. Polymorphism information content (PIC) values varied between .466 (ASE40) and .890 (ASE34) with an overall mean of .718. This genotyping confirms the existence of two main types or biotypes in the species, denoted as the Uruguay type and Brazil type. Also, a significant proportion of the feijoa diversity, which is absent from the AGB‐Feijoa collection, is present in germplasm maintained by indigenous people, quilombola communities, federal conservation units, participatory genetic breeding, and areas of natural occurrence, thus reinforcing the need to introduce new accessions into São Joaquim's AGB‐Feijoa.

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Feijoa [Acca sellowiana (Berg) Burret] accessions characterization and discrimination by chemometrics

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BACKGROUND: Feijoa [Acca sellowiana (Berg) Burret] is a Brazilian native fruit with few commercial-level plantations and high agroindustrial potential. A genotype evaluation experiment was conducted from 1996 onward, aiming to obtain fruits based on the agronomical parameters; however, the selection based on chemical composition had not been evaluated with respect to developing a new cultivar. Accordingly, the present study aimed to discriminate seven accessions of feijoa in terms of nutritional composition, phenolic compounds and antioxidant activity using multivariate analysis (principal component analysis and multivariate contrast), targeting the potential production of a new cultivar with better nutritional value and high antioxidant capacity. RESULTS: Feijoa husk presented high content of ashes, lipids, proteins, carbohydrates, phenolic compounds and antioxidant activity compared to feijoa pulp. However, only feijoa pulp was selected to multivariate analysis because it is the fruit edible part. Data variability was explained in 78% and the feijoa pulp accessions were discriminated into four groups related to their characteristics. The accession 5 discrimination can be explained by the high content of ashes, carbohydrates, soluble solids, phenolic compounds and antioxidant activity. Accession 6 was also discriminated by the high content of total acidity, pH and proteins, as well as a low content of soluble solids. CONCLUSION: Feijoa accessions may be indicated for increasing plant selection via hybridization with the other accessions, aiming to produce new cultivars with better nutritional composition and antioxidant capacity. For example, accession 5 is the most suited fruit for human consumption and is a potential plant with respect to becoming a new cultivar.

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Characterization of Phenotypic Diversity of Feijoa Fruits of Germplasm Accessions in Brazil

Cited by 10 publications

References 33 publications

Avaliação de frutos de goiabeira-serrana cultivados no meio oeste de Santa Catarina, Brasil

Avaliação de frutos de goiabeira-serrana cultivados no meio oeste de Santa Catarina, Brasil

Evaluation of the genetic diversity in the feijoa accessions maintained at Santa Catarina, Brazil

Feijoa [Acca sellowiana (Berg) Burret] accessions characterization and discrimination by chemometrics

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