Genetic diversity of macaúba fruits from 35 municipalities of the state of Goiás, Brazil

Reis, Edésio Fialho dos; Pinto, Jefferson Fernando Naves; Assunção, Hildeu Ferreira da; Silva, Danielle Fabíola Pereira da

doi:10.1590/s0100-204x2017000400008

Cited by 11 publications

(15 citation statements)

References 15 publications

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“…The groups were mostly constituted by accessions from geographically close municipalities, but presenting some accessions from geographically distant municipalities (Table 3). This result reinforces the consistency of the results obtained by Manfio et al, (2012), which reports a certain tendency of grouping macaw palm accessions according to their geographical origin, which is also observed by Reis et al (2017). (Figure 3).…”

Section: Resultssupporting

confidence: 89%

Characteristics of 137 macaw palm (Acrocomia aculeata) fruit accessions from Goias, Brazil

Reis

Pinto²,

Assunção

et al. 2019

Com. Sci.

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Accessions of macaw palm fruits from the State of Goias, Brazil were characterized aiming the identification of groups with similar characteristics and indicate groups with higher agronomic potential, using multivariate tools. Fruit were harvested with completed yellow fruit bunches without whitish scores. The evaluated variables were fruit and almond length, fruit and almond diameters, fruit and dehydrated almond weight, average number of almonds, oil percentage of almond and dried fruit. The genetic diversity of populations was evaluated by Ward’s clustering method and Person´s correlation was obtained to evaluate the relative importance of each characteristic and variance analysis associated with Tukey´s test to verify the group’s effects. The studied population demonstrated great variability. The characteristics that most contributed to the variability were fruit weight and diameter and the almond´s oil percentage. Ward´s group analysis revealed six groups of similarity, being significant for all evaluated characteristics. Group VI stood out for all evaluated characteristics and group III presented the best averages for the almond´s weight and almonds and dried fruit oil percentage.

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Section: Resultssupporting

confidence: 89%

Characteristics of 137 macaw palm (Acrocomia aculeata) fruit accessions from Goias, Brazil

Reis

Pinto²,

Assunção

et al. 2019

Com. Sci.

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“…The species grow in the savannas and open forests of tropical America, which are distributed from Central America to southern South America. It is probably found naturally in almost all the Brazilian territory, especially across the Southeast and Central West regions (Pimentel et al, 2015;dos Reis, Pinto, da Assunção, & da Silva, 2017). This species has an annual flowering season in Brazil from September through February and with peak flowering from November through December (Berton, 2013), which coincides with the season of highest rainfall in the areas in which it grows (Colombo, Berton, Diaz, & Ferrari, 2017).…”

Section: Introductionmentioning

confidence: 99%

Morphological, Physiological and Nutritional Effects of Irrigation Frequency on Macaúba Palm Seedlings

Hernández¹,

Imbuzeiro²,

Pimentel³

et al. 2018

JAS

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The commercial nurseries of macaúba palm (Acrocomia aculeata) have experienced excessive seedling mortality, which is possibly due to the lack of information about the proper growing practices. The goal of this study was to investigate the response of macaúba seedlings to water stress using different irrigation frequencies during the early seedling stage. The experiment was carried out in a macaúba palm nursery located in João Pinheiro, Minas Gerais, Brazil. The treatments started 30 days after sowing. At 90 days after sowing, the morphological (number of leaves, stem diameter, shoot length, root weight and the fresh and dry matter content of leaves, stem and roots), physiological (allocation of photosynthates) and chemical (nutrient content in the shoot) characteristics were evaluated. The results indicated that shoot height and stem diameter became smaller as the frequency of irrigation was reduced. However, the accumulation of fresh biomass in leaves and stems, and the leaf and root dry biomass became higher under the same condition. When water stress was induced in younger seedlings, the allocation of photosynthates occured more proportionally across all organs of the plants. The highest accumulation of K, S and Fe in the shoot were observed in plants that were exposed to water stress. N accumulation was higher in the aerial part of the seedlings as the irrigation frequency increased. However, the opposite behavior was observed for P, which accumulation was lowest in the control treatments.

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“…The use of univariate analysis of variance among the means of groups obtained after multivariate analysis has been widely used (ALVES; REIS; PINTO, 2012;PROTÁSIO et al, 2017;REIS et al, 2017;REIS et al, 2019) in order to facilitate the selection of promising materials, by comparing means between groups by the Tukey test.…”

Section: Resultsmentioning

confidence: 99%

Genetic Dissimilarity for Resistance to Foliar Diseases Associated With the Agronomic Potential in Maize

et al. 2020

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In the present study the objective was to evaluate the genetic diversity among families of maize siblings for resistance to foliar diseases associated with their agronomic potential, identifying groups of families that can be used as sources of resistance in maize crop. The experiments were conducted in the experimental area of the Federal University of Goiás at the Jataí Regional Unit, in Jataí, GO, Brazil, constituted by 182 half-sibling families of maize and two commercial hybrids as a control. The 182 half-sibling families were divided into three experiments with 60, 60 and 62 families, respectively. The experimental design used was randomized blocks, with three replicates. Eight quantitative characters and 4 foliar diseases were evaluated. The multivariate analysis technique was used to measure the genetic divergence for the four foliar diseases represented by the generalized Mahalanobis distance. Based on the genetic dissimilarity matrix, the dendrogram was constructed using the clustering method of the average distance between groups (Unweighted Pair Group Method with Arithmetic Mean - UPGMA). After defining the groups, univariate analysis of variance was performed in order to evaluate the effects of the groups on each character studied. Comparisons were made between the means of the groups, using the Tukey test (p <0.05). White spot (32.53%) was the disease that most contributed to the total divergence between families. Group 10 stood out among the others as a source of resistance to the disease complex associated with yield. The genetic variability of families for foliar disease complex reveals potential for future studies facing pyramiding genes.

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Genetic diversity of macaúba fruits from 35 municipalities of the state of Goiás, Brazil

Cited by 11 publications

References 15 publications

Characteristics of 137 macaw palm (Acrocomia aculeata) fruit accessions from Goias, Brazil

Characteristics of 137 macaw palm (Acrocomia aculeata) fruit accessions from Goias, Brazil

Morphological, Physiological and Nutritional Effects of Irrigation Frequency on Macaúba Palm Seedlings

Genetic Dissimilarity for Resistance to Foliar Diseases Associated With the Agronomic Potential in Maize

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