Caracterização de frutos de cultivares de pessegueiro na Zona da Mata Mineira

Matias, Rosana Gonçalves Pires; Silva, Danielle F. P. da; Silva, José O. da C. e; Oliveira, Silvia Paula De; Ribeiro, Mariana Rodrigues; Bruckner, Cláudio Horst

doi:10.5039/agraria.v8i3a2494

Cited by 4 publications

(4 citation statements)

References 13 publications

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“…Entretanto, Matias et al (2012), trabalhando com caracterização física e química de três cultivares de nectarina na zona da mata de Minas Gerais, observaram valores entre 15,25 e 21,75 mg.100 g -1 , ressaltando que, quando comparado com outras frutíferas, os frutos de ciriguela apresentam altos teores de vitamina C, sendo inferiores apenas quando comparados com frutos de aceroleira.…”

Section: Resultsunclassified

Caracterização De Frutos De Ciriguelas Em Diferentes Estádios De Amadurecimento

Souza

Valle

Pereira

et al. 2019

Reveng

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Por apresentar qualidade organoléptica, a ciriguela tornou-se bastante apreciada, despertando interesse para seu cultivo comercial. Todavia, ainda são incipientes os estudos com essa fruteira. Dessa forma, objetivou-se com este trabalho caracterizar frutos de ciriguela em três estádios de amadurecimento em Jataí-GO. Os frutos foram coletados de plantas com 12 anos de idade e, como critério de colheita, dividiu-se imaginariamente a área circular situada sob a copa da planta em quatro quadrantes e, de cada quadrante, foram coletados 25 frutos, perfazendo um total de 100 frutos por planta. Os tratamentos foram compostos por frutos em diferentes estádios de amadurecimento, sendo tratamento 1: frutos com quebra da coloração verde – Breaker (T1), tratamento 2: frutos com início da pigmentação amarela (T2) e tratamento 3: fruto com predominância do vermelho (T3); com 5 repetições por tratamento e 10 frutos por parcela experimental. Estes foram avaliados quanto a comprimento, diâmetro, peso, atributos de cor do pericarpo e da polpa, teor de sólidos solúveis (SS) e acidez titulável da polpa, relação do teor de sólidos solúveis e acidez e teor de vitamina C da polpa. Os resultados foram submetidos à análise de variância e as médias comparadas pelo teste Tukey a 5% de probabilidade. Os frutos com quebra da coloração verde apresentaram menores dimensões. Os frutos com início da pigmentação amarela apresentaram altos teores de vitamina C. Maiores teores de SS foram obtidos para frutos com predominância do vermelho.

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Section: Resultsunclassified

Caracterização De Frutos De Ciriguelas Em Diferentes Estádios De Amadurecimento

Souza

Valle

Pereira

et al. 2019

Reveng

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“…As shown in Table 2 of the distribution and frequencies by thermal level until the end of the production cycle, in step 87. That is, any of the above intensities can be used as a harvest indicator, and is important in industry because pulp with intense yellow coloration does not require the addition of colorants for the production of processed beverages (MATIAS et al, 2013).…”

Section: Resultsmentioning

confidence: 99%

Quality of peach fruits Jarillo cv. (Prunus persica L.) in Pamplona, Colombia

2018

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The aim of this study was to characterize the quality of peach fruits Jarillo cv., produced under the conditions of altitude tropical climate in three locations: Pamplona, Chitagá and Pamplonita, in Northern Santander, Colombia. Ten trees were sampled by the conditioned latin hypercube method and eight growing fruits with physiological state of maturity were selected. By means of a profile analysis, the hypotheses of parallelism, coincidence and horizontality of quality variables in the complete measurement interval were tested, and in some segments of the interval, some patterns from the graphic point of view were found. A radial diagram was made to study the development of fruit color at each thermal level. When the quotient between longitudinal diameter and equatorial diameter tends to 1 to the left, the highest weight values are reached, highlighting the lowest elevation level, with weights around 150 g. The profile analysis showed, regarding quality variables, that there was a significant interaction between evaluation time and altitude level. The results show that the prevailing climatic conditions affect the physicochemical characteristics of fruits during the growth process until maturation.

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“…This is because of the concentration of the harvest occurred on days with less rainfall, leading to improvements in the soluble solids content and in the maturation index, in addition to the phytossanitary aspects. Producers often emphasize fruit quality characteristics that provide high yield, large fruit size, disease resistance and ease of harvest in minimum picking intervals (Palmer, 2011;Matias et al, 2013;Raseira et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

“…The yield of well-cultivated trees depends on the total light interception by each part of the canopy structure (Palmer, 2011;Matias et al, 2013). This important effect arises because photosynthetic carbon fixation is a function of the sunlight captured by a tree or orchard.…”

Section: Discussionmentioning

confidence: 99%

Tree performance and peach fruits yield and quality under compounds sprays to induce sprouting

Rafael¹,

Leonel²,

Jackson³

et al. 2022

Afr. J. Agric. Res.

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The sprouting induction is a fundamental cultural practice in peach orchards grown in subtropical regions around the world. The evaluation of alternatives compounds to induce sprouting is necessary mainly considering its effects on fruit quality. Two alternative compounds such as 2.5% nitrogen fertilizer (NF) + 4% calcium nitrate (CN) and 4% calcium nitrate (CN), besides the control were compared with 0.6% hydrogen cyanamide (HC), the most effectiveness chemical to induce budburst in peach crops grown in subtropical regions of Brazil. The field experiment was undertaken in São Paulo state, southeast Brazil, in two crop seasons. The hydrogen cyanamide increased crop performance of the 'Douradão' peach. Regardless, nitrogen fertilizer + calcium nitrate promoted an intermediate yield performance. Both treatments enhanced total phenolic compounds in fruits and their antioxidant activity. The efficacy of hydrogen cyanamide in a region with low chill accumulation was confirmed. Furthermore, nitrogen fertilizer + calcium nitrate are promising sprouting inducing and may be an alternative to replace hydrogen cyanamide, because of improved crop performance and peaches quality and considering the need for new products with less toxicity and characteristics of reducing environmental risk profiles and for the consumer market.

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Caracterização de frutos de cultivares de pessegueiro na Zona da Mata Mineira

Cited by 4 publications

References 13 publications

Caracterização De Frutos De Ciriguelas Em Diferentes Estádios De Amadurecimento

Caracterização De Frutos De Ciriguelas Em Diferentes Estádios De Amadurecimento

Quality of peach fruits Jarillo cv. (Prunus persica L.) in Pamplona, Colombia

Tree performance and peach fruits yield and quality under compounds sprays to induce sprouting

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