Seleção de genótipos de mirtileiro obtidos a partir de polinização aberta

Fischer, Doralice Lobato de Oliveira; Fachinello, José Carlos; Piana, Clause Fátima de Brum; Bianchi, Valmor João; Machado, Nicácia Portella

doi:10.1590/0100-2945-299/13

Cited by 2 publications

(3 citation statements)

References 7 publications

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“…Regarding the content of soluble solids, there were differences among cultivars. The averages were higher than 10.51 ° Brix found by Sousa et al (2006), and were within the range from 12.4 to 14.5 ° Brix found by Fischer et al (2014) in the selection of blueberry genotypes with higher SS levels and were similar to values observed by Antunes et al (2008) in the evaluation of eight blueberry cultivars in the region of Pelotas-RS.…”

Section: Figure 1 -supporting

confidence: 87%

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Phenology, production and quality of blueberry produced in humid subtropical climate

et al. 2018

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Studies on adaptation to the cultivation site are necessary for the recommendation of new cultivars. The aim of this study was to evaluate the phenological development, productivity and fruit quality of eight blueberry cultivars from the rabbiteye group (Aliceblue, Bluebelle, Bluegem, Briteblue, Climax, Delite, Powderblue and Woodard) and two from the highbush group (Georgiagem and O'Neal) under humid subtropical conditions in the 2012/2013, 2013/2014 and 2014/2015 cycles. Beginning and end of flowering, beginning and end of harvesting, fruit set, production, mass, diameter, pH, content of soluble solids, titratable acidity, ratio and coloring were evaluated. The evaluated cultivars presented flowering in the period from July to September, concentrating harvest in the months of November and December. The highest fruit set was observed in Delite, Climax, Briteblue and Powderblue cultivars. There were differences among cultivars regarding fruit mass, size, pH, content of soluble solids and acidity. The results showed that the cultivars exhibited blue color with few variations over the evaluation years. Cultivars with the best productive performance under humid subtropical climate conditions are Bluegem, Delite, Climax and Powderblue. Index terms: Vaccinium sp., small fruits, fruit set. Fenologia, produção e qualidade de mirtilos produzidos em clima subtropical úmidoResumo -Para a recomendação de novas cultivares, são necessários estudos quanto à adaptação no local de cultivo. Logo, objetivou-se avaliar o desenvolvimento fenológico, a produtividade e a qualidade de frutos de oito cultivares de mirtileiro do grupo rabbiteye (Aliceblue, Bluebelle, Bluegem, Briteblue, Climax, Delite, Powderblue e Woodard) e duas do grupo highbush (Georgiagem e O'Neal) em condições de clima subtropical úmido, nos ciclos de . Foram avaliadas as datas do início e do final de floração, início e final de colheita, frutificação efetiva, produção, massa, diâmetro, pH, teor de sólidos solúveis, acidez titulável, ratio e coloração. As cultivares avaliadas apresentaram floração no período de julho a setembro, concentrando a colheita nos meses de novembro e dezembro. As maiores frutificações efetivas foram observadas nas cultivares Delite, Climax, Briteblue e Powderblue. Houve diferenças entre as cultivares quanto à massa do fruto, tamanho, pH, teor de sólidos solúveis e acidez. Os resultados demonstraram que as cultivares exibiram coloração azul, com poucas variações ao longo dos anos de avaliação. As cultivares com melhor desempenho produtivo, em condições de clima subtropical úmido, são Bluegem, Delite, Climax e Powderblue. Termos para indexação: Vaccinium sp., pequenas frutas, frutificação efetiva. 2 J. G. S. Medeiros et al. Rev. Bras. Frutic., Jaboticabal, 2018, v. 40, n. 3: (e-520)

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confidence: 87%

“…The cultivars introduced in Brazil require studies on their adaptation in the different regions, which present different climate and soil conditions. There are no national cultivars adapted to our climate and soil conditions, and studies on the improvement of this species are recent (FISCHER et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Phenology, production and quality of blueberry produced in humid subtropical climate

et al. 2018

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“…These cultivars are selected from other countries with different edaphoclimatic conditions displaying limitations for its cultivation, which drives the need for superior plants that are able to adapt to Brazil's particularities [3]. When searching for genetic variability and the development of new cultivars, the propagation of blueberry seeds becomes important [2].…”

Section: Introductionmentioning

confidence: 99%

Behavior and Viability of Blueberry Seeds through Germination and Tetrazolium Test

Pasqualini¹,

Santos²,

Ayub³

2016

ABB

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Knowing the physiology of seeds and the elements that influence their germination is fundamental aspects in seminiferous propagation; important techniques are used to obtain genetic variability and development of new cultivars of blueberry. The aim of this study is to evaluate the germination behavior, as well as viability levels, through germination tests and tetrazolium, of Vaccinium ashei Reade seed cultivars Briteblue and Climax. Seeds treated or not with 5 M potassium hydroxide (KOH) were submitted to the germination test, on substrates, filter paper (SP) or solid culture medium with half of the salt concentration (MS/2), at temperatures of 10˚C ± 2˚C or 25˚C ± 2˚C. The maximum germination percentage of blueberry seeds was 40%. Both temperatures and substrates caused seed germination in the tested cultivars, and pretreatment with 5 M KOH for 5 minutes inhibited germination. Yet, the tetrazolium test, based on coloration of tissue, allowed the establishment of different levels of viability.

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Seleção de genótipos de mirtileiro obtidos a partir de polinização aberta

Cited by 2 publications

References 7 publications

Phenology, production and quality of blueberry produced in humid subtropical climate

Phenology, production and quality of blueberry produced in humid subtropical climate

Behavior and Viability of Blueberry Seeds through Germination and Tetrazolium Test

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