Comportamento da maturação de mamão Tainung 1 cultivado em Brasília-DF

Yamanishi, Osvaldo Kiyoshi; Fagundes, Geni Rodrigues; Filho, José Altino Machado; Falcão, J. V.; Miranda, Simone de Paula

doi:10.1590/s0100-29452005000200032

Cited by 3 publications

(3 citation statements)

References 2 publications

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“…According to Yamanishi et al (2005), changes in this parameter are common due to maturation processes. Almeida et al (2006) found a varied titratable acidity in papaya fruits of the Golden cultivar during the storage period.…”

Section: Resultsmentioning

confidence: 99%

Alternative control of post-harvest diseases in Tainung 1 papaya

Dantas

Nascimento

Cruz

et al. 2018

Pesqui. Agropecu. Trop.

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Controlling post-harvest papaya diseases without using agrochemicals is a challenge for producers. This study aimed at evaluating the effect of clove essential oil, biological fungicide (Trichodermil®), resistance inducer (Cob Sistem®) and chemical fungicide (Imazacure®) on the in vitro control of phytopathogenic fungi isolates from papaya as well as on the post-harvest quality of Tainung 1 papaya. The in vitro experiment was conducted in a complete randomized design, with five fungal species x five treatments and five replications. The in vivo experiment was conducted in a complete randomized design, with five treatments x five storage times, five replications and three fruits per replication. The fruits were stored under refrigeration at 10 ± 2 ºC and 90 ± 5 % of relative humidity and evaluated at 0, 7, 14, 21 and 28 days of storage, plus two shelf life days at 25 ± 2 ºC, to simulate marketing conditions. The inhibition of mycelial growth was evaluated in the in vitro experiment, while the diseases occurrence and post-harvest quality of the fruits were evaluated in the in vivo experiment. The clove essential oil and Trichodermil® were as efficient as Imazacure® in inhibiting the mycelial growth of Alternaria sp., Colletotrichum gloeosporioides and Rhizopus sp. The treatments with clove essential oil, Trichodermil® and Imazacure® were similar in controlling the pathogens up to 21 days of storage. The treatments had no effect on the fruits soluble solid contents.

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Section: Resultsmentioning

confidence: 99%

Alternative control of post-harvest diseases in Tainung 1 papaya

Dantas

Nascimento

Cruz

et al. 2018

Pesqui. Agropecu. Trop.

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“…Porém, a partir deste estádio, podem ser observadas as esperadas tendências de decréscimo nos teores de clorofila e da relação entre clorofila e carotenóides totais na casca, e elevação dos teores de carotenóides na polpa e na casca. Yamanishi et al (2005) verificaram haver correlação entre os valores médios de clorofilas a e b, que decresceram ao longo do desenvolvimento do mamão Tainung 1. Os autores constataram aumento médio do teor de clorofila a, entre 84 e 126 dias após a frutificação efetiva (DAFE), e pico de teor de clorofila b no 126 º DAFE, momento que consideraram adequado para a colheita dessa cultivar.…”

Section: Resultsunclassified

Evolução dos pigmentos durante o amadurecimento de mamão 'Sunrise Solo' e 'Golden'

et al. 2007

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O objetivo deste estudo foi explicar as diferenças na coloração da polpa e da casca entre os frutos dos mamoeiros 'Sunrise Solo' e 'Golden', e desenvolver escalas de maturação visual. Os frutos foram colhidos em sete estádios de maturação, baseando-se no percentual de coloração amarela na casca, em pomar comercial localizado em Linhares-ES. O mamão 'Golden' mostrou-se difícil de classificar por meio de escala visual, devido a sua coloração mais clara. O mamão 'Sunrise Solo' possui teores mais elevados de clorofila total, a e b, e reduzido teor de carotenóides totais, no primeiro estádio e em outros dois estádios (4º e 6º estádios de maturação). A mudança de cor foi mais evidente nesta cultivar. A relação entre clorofilas totais e carotenóides totais foi superior na cultivar Sunrise Solo até o sexto estádio. Por isso, recomenda-se cuidado no manuseio pós-colheita do mutante Golden, principalmente quanto ao ponto de colheita, por causa da dificuldade de distinção entre os estádios de maturação.

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“…Planting took place in May 2016 and fruits were harvested on 03/17/2017, when they showed streaks or bands with 50% yellow color, usually four to six months after flowering, which is the appropriate time for harvest. According to Yamanishi et al (2005), the most appropriate harvest point is from the 126 th day after effective fruiting, when fruits have low chlorophyll content and physical and chemical characteristics with average values suitable for marketing. After harvesting at CEMO, fruits were transported to the "Epamig Norte" Postharvest Laboratory, at Gorutuba Experimental Field (CEGR), Nova Porteirinha -MG, where they were evaluated at harvest point (50% green peel) and when ripe (all yellow peel).…”

Section: Methodsmentioning

confidence: 99%

Quality of ‘Tainung 1’ papaya produced by partial root zone drying

Castricini¹,

Oliveira²,

Martineli

et al. 2019

Rev. Bras. Frutic.

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Resumo A significant portion of papaya production in the state of Minas Gerais originates from irrigated crops, and irrigation management using the partial root zone drying technique (PRD) is a fundamental alternative to reduce water waste. This study aimed to evaluate the quality of ‘Tainung 1’ papaya produced under PRD in semi-arid conditions of northern state of Minas Gerais. PRD treatments were composed of reduction of the calculated irrigation water (CIW) by 50%, applied on one side of the irrigation line, with alternation of 7, 14 and 21 days or without alternation and full irrigation, applying 100 % CIW in both lateral plant rows. Each experimental plot consisted of ten plants, and from six plants, fruits were harvested for evaluations at harvest point and when ripe. At harvest point, fruits had peel color, titratable acidity, ratio, pulp size and thickness similar to those produced without water deficit. Firmness, soluble solids content, fresh mass and central cavity diameter are distinct as a function of PRD condition. When ripe, only firmness varied according to PRD treatments. The quality of ‘Tainung 1’ papaya produced by partial root zone drying in semi-arid conditions was not compromised.

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Comportamento da maturação de mamão Tainung 1 cultivado em Brasília-DF

Cited by 3 publications

References 2 publications

Alternative control of post-harvest diseases in Tainung 1 papaya

Alternative control of post-harvest diseases in Tainung 1 papaya

Evolução dos pigmentos durante o amadurecimento de mamão 'Sunrise Solo' e 'Golden'

Quality of ‘Tainung 1’ papaya produced by partial root zone drying

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