Heterosis and genetic parameters for grain quality in oat segregating populations

Silveira, Solange Ferreira da Silveira; Hawerroth, Maraisa Crestani; Oliveira, Danyela de Cássia da Silva; Woyann, Leomar Guilherme; Almeida, Helaine Claire Ferreira de; Luz, Viviane Köpp da; Thurow, Liamara Bahr; Silva, Raíssa Martins da; Gutkoski, Luiz Carlos; Maia, Luciano Carlos da; Oliveira, Antônio Costa de

doi:10.1590/0103-9016-2015-0129

Cited by 4 publications

(7 citation statements)

References 28 publications

(60 reference statements)

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“…Between PROT and FT, there was a positive phenotypic correlation, which is an association by genetic causes, which would present greater magnitude with the reduction of environmental interference. Similar result has already been found in experiments with segregating oat genotypes (Crestani et al 2012, Hawerroth et al 2015, Silveira et al 2016a. It is a correlation of interest for the oat's destination for human consumption, enabling the selection of genotypes with high protein content and dietary fiber.…”

Section: Resultssupporting

confidence: 83%

“…Although significant, it presented low magnitude. Our previous work evaluating different Brazilian white oat genotypes, also did not confirm this correlation (Silveira et al 2016a). Between PROT and FT, there was a positive phenotypic correlation, which is an association by genetic causes, which would present greater magnitude with the reduction of environmental interference.…”

Section: Resultsmentioning

confidence: 73%

“…The correlation between PROT and BG was significant, but of low magnitude. This correlation would be of interest to breeders, however there is no consensus in the literature, some reports of correlation (Cervantes-Martinez et al 2002, Hang et al 2007, Sari and Ünay 2017 and others showing the lack of correlation (Hawerroth et al 2015, Silveira et al 2016a, Yan et al 2016. These studies evaluated different genotypes and the contrasting results express the variability for these characters.…”

Section: Resultsmentioning

confidence: 99%

“…Nutritional and industrial quality have also become important attributes in the selection of oat genotypes (Frey and Holland 1999, Cervantes-Martinez et al 2001, Chernyshova et al 2007, Crestani et al 2012, Sikora et al 2013, Hawerroth et al 2015, Silveira et al 2016a,b, Verdi et al 2019. The proper constitution of this cereal meets the growing demand for functional foods.…”

Section: Introductionmentioning

confidence: 99%

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Associations between agronomic performance and grain chemical traits in oat

Silveira¹,

Oliveira²,

Maltzhan³

et al. 2020

Commun. Plant Sci.

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Great progress has already been achieved in breeding white oats (Avena sativa L.). However, breeders of this species need to make available to the market higher yielding and higher grain quality cultivars. Therefore, it is necessary to optimize the strategies of selection of superior genotypes. The present work aimed to estimate the correlation between traits related to agronomic performance and traits related to chemical composition of white oat grains, seeking to add understanding for the selection of higher yielding genotypes with high nutritional quality. Thirty families from the cross between the cultivars Albasul and UPF 15 were used, and 31 families from the cross between the cultivars IAC 7 and UFRGS 19. Six traits related to agronomic performance and five traits corresponding to the chemical composition of the grains were evaluated. To assess the relationship between the different traits evaluated, simple correlation and canonical correlation analyzes were performed. The results demonstrate the existence of simple correlations between grain chemical constituents and traits related to agronomic performance. The pair-by-pair relationship between traits of these two groups was also observed, but the environmental action strongly interfered with these correlations. The canonical correlation analysis allowed the verification of dependence between the evaluated trait groups where genotypes with higher number of grains per panicle, high mass of one thousand grains, with lower stature and lower number of spikelets, will have lower lipid and total fiber content, but with higher protein contents. Highlighted Conclusions 1. There is a relationship of dependence between the agronomic performance trait group and the oat grain chemical constituent group. 2. Indirect selection of grains with higher nutritional quality and high agronomic performance will be feasible providing there is a strict control of environmental conditions. 3. Selections that seek superiority in all traits studied will not be possible, given the presence of negative correlations.

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Section: Resultssupporting

confidence: 83%

Section: Resultsmentioning

confidence: 73%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Associations between agronomic performance and grain chemical traits in oat

Silveira¹,

Oliveira²,

Maltzhan³

et al. 2020

Commun. Plant Sci.

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show abstract

“…White oat (Avena sativa) is a cereal of excellent nutritional value, used in the processing of numerous food products (Weber et al, 2002;Silveira et al, 2016). It has high protein grain and adequate levels of carbohydrate and lipid content, with a high proportion of dietary fiber, especially β-glucan, related to cholesterol reduction, which is helpful to prevent diabetes, obesity and cancer (Crestani et al, 2012;Silveira et al, 2016). These qualities have attracted the interest of food industries in this cereal due to its various benefits for human health (Daou and Zhang, 2012;Redaelli et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Research Article Nitrogen levels in oat grains and its relation to productivity

Mantai¹,

Silva²,

Scremin³

et al. 2020

Genet. Mol. Res.

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Analysis of the relationship of oat grain chemical components with productivity can yield information that determines crop production strategies. The market values high protein grain, but production and other nutritional components may be affected in the effort to increase protein levels. The objective of this study was to determine how the dynamics of the components of oat grain chemical composition relate to productivity when adding nitrogen to the soil, in order to develop nutrient management strategies that can combine productivity with grain quality. The study was conducted from 2011 to 2016 in Augusto Pestana, Brazil, in a randomized block design with four replications in a 4x2 factorial design for nitrogen rates (0, 30, 60 and 120 kg.ha-1) and standard biotype oat cultivars used on a commercial scale (Barbarasul and Brisasul) in two succession systems soybean/oat and corn/oat, totaling 64 experimental units. The nitrogen doses were applied at the phenological stage of expanded fourth leaf using urea. The increase of nitrogen fertilization for topdressing promoted increase of the total protein of oat grains and reduction of the total fiber in both soybean/oat and corn/oat systems. Higher levels of grain protein due to nitrogen fertilization reduced grain production, regardless of the cropping system.

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Technical and agronomic efficiency of nitrogen use on the yield and quality of oat grains

Mantai

Silva

Carbonera

et al. 2021

Rev. bras. eng. agríc. ambient.

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The efficiency of nitrogen use by oats in association with climatic conditions is fundamental to the development of more sustainable managements with yield and quality. The objectives of this study were to define the agronomic efficiency of nitrogen by the ratio of the dose provided and product obtained, estimate the maximum technical efficiency of the nutrient on grain yield; and for the optimum dose, simulate the expression of the straw and industry yields, protein and total fiber in different conditions of the agricultural year in a soybean/oat system. The study was conducted from 2011 to 2016, in Augusto Pestana, RS, Brazil, in a randomized block design with four repetitions in a 4 x 2 factorial referring to nitrogen doses (0, 30, 60 and 120 kg ha-1) and oat cultivars (Barbarasul and Brisasul) in a soybean/oat system. Nitrogen increased grain, straw, and industry yields and total grain protein, with agronomic efficiency of 7.8, 19.7 and 3.3 kg ha-1 and 0.10 g kg-1, respectively, with reduction of the total fiber in 0.05 g kg-1 per kg of N supplied. The dose of maximum technical efficiency in the expression of grain yield is dependent on the weather conditions during cultivation. In general, the maximum efficiency of grain productivity was obtained with 86 kg ha-1 of N, with linear equations showing increased productivity of straw and industry yield, total protein, and reduction of the fiber content of oat grains by nitrogen use.

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Heterosis and genetic parameters for grain quality in oat segregating populations

Cited by 4 publications

References 28 publications

Associations between agronomic performance and grain chemical traits in oat

Associations between agronomic performance and grain chemical traits in oat

Research Article Nitrogen levels in oat grains and its relation to productivity

Technical and agronomic efficiency of nitrogen use on the yield and quality of oat grains

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