Desempenho horticultural de laranjeiras doces de meia-estação sobre tangerineira 'Sunki'

Ramos, Yuri Caires

doi:10.11606/t.11.2015.tde-05112015-155811

Cited by 2 publications

(3 citation statements)

References 35 publications

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“…According to the Figure 1, that illustrates the soluble solids: acidity ratio evolution from August to October 2004, those clones presented later maturation season, contrasting with the Pera IAC and Pera Olímpia standard clones that presented lower acid levels in August, when the fruits were analyzed in the other years, and reached the minimum index 12 yet in the first of the four ratio evaluations. Ramos (2015) reported that Pera IAC accumulated 3375 o C day to reach the maturation point (ratio=12) contrarily to Milton Teixeira that needed 4068 o C day, and Alexandre Maróstica with the highest ΣDD (4553 o C day) to reach the harvest point, indicating that those material might reach ratio 12 in November and December, respectively, in Iaras, São Paulo state, conditions.…”

Section: Resultsmentioning

confidence: 99%

Performance of field-selected clones of Pera sweet orange in Northern São Paulo state, Brazil

Stuchi¹,

Girardi²,

Silva³

et al. 2020

Citrus Res. Technol.

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Brazil is the world's largest sweet orange producer, with Pera sweet orange [Citrus sinensis (L.) Osbeck] as the main cultivar and Pera IAC as the most planted clone, due to its good overall horticultural performance and because the plants are preimmunized with the attenuated and protective PIAC isolate of the citrus tristeza virus (CTV). Field-selected elite Pera sweet orange trees selected in Bebedouro, on Northern São Paulo state, were previously submitted to shoot tip grafting and preimmunized against CTV. Thirteen of these clones were evaluated in the present study comparatively with the Pera IAC and the Pera Olímpia clones in a trial set up in 1998 under rain-fed conditions in Bebedouro. All the scions were grafted onto Rangpur lime (C. limonia Osbeck) rootstock. The experiment was conducted following a completely randomized design, with 15 treatments (clones), six replications and one plant in the plot. Stem pitting severity, plant growth, fruit yield and quality were evaluated. As Pera IAC and Pera Olímpia, the thirteen pre-immunized clones did not develop stem pitting symptoms characteristics of Pera reaction to CTV. The Pera clones Milton Teixeira, Fazenda União-35 Anos and Alexandre Maróstica-1949 had similar fruit yield, production efficiency and total soluble solids content in the juice than the Pera IAC standard variety, yet they showed remarkably later fruit maturation. Index terms: Citrus sinensis, fruit yield and quality, CTV, cross protection. Desempenho de clones selecionados em campo de laranjaPera no norte do Estado São Paulo, Brasil RESUMO O Brasil é o principal produtor de laranjas do mundo. A laranja Pera [Citrus sinensis (L.) Osbeck] é a principal variedade de laranja cultivada no Brasil, sendo o clone IAC o mais importante, por ser pré-imunizado com a estirpe fraca e protetiva PIAC do vírus da tristeza dos citros, entre outras boas características. Plantas elite de laranja Pera selecionadas em campo na região de Stuchi et al.

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Section: Resultsmentioning

confidence: 99%

Performance of field-selected clones of Pera sweet orange in Northern São Paulo state, Brazil

Stuchi¹,

Girardi²,

Silva³

et al. 2020

Citrus Res. Technol.

View full text Add to dashboard Cite

show abstract

“…The regional evaluation of cultivars is essential to identify the phenological behavior and indicate the recommendation for cultivation (RAMOS, 2015;BERGAMASCHI, 2017). Moreover, some pests and diseases cause greater damage in certain stages of development, especially when the tissues are young, and preventive actions can be taken in these phases (LEITE JR, 1990).…”

Section: Introductionmentioning

confidence: 99%

“…Citrus in subtropical conditions, has air temperature as the main meteorological element of influence (MANERA et al, 2012), since the effects of the photoperiod seem to be null (GRAVINA, 2014). Taking this into account, even climate changes tend to alter the phenological behavior of plant species (RAMOS;JONES, 2019;WU et al, 2019;).…”

Section: Introductionmentioning

confidence: 99%

Phenological cycle and thermal accumulation in the genotypes of sweet orange in Southern Brazil

Schneider,

Gonzatto,

Boettcher

et al. 2024

Rev. Bras. Frutic.

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The aim of this work was to study the phenology of several sweet orange cultivars and their relationship with the accumulated degree-day (ADD), under the conditions of the Depressão Central of Rio Grande do Sul, in Southern Brazil. For this, 25 genotypes were evaluated for three consecutive growing seasons between 2015 and 2018. The experiment was carried out in a Citrus Collection located in municipality of Eldorado do Sul, RS, Brazil. The ADD was calculated for each interval between the phenological stages, as well as for the entire cycle. The first one, swelling of the buds, was concentrated between mid-July and early August. Sprouting in winter increased the risk of frost damage. Full bloom occurred between August 28 and September 22, when the orange trees ‘Cabula’, ‘Rubi’, ‘Lima Verde’ and ‘Folha Murcha’ were the first to bloom and ‘Sanguinea’, ‘Salustiana’, ‘Midknight’ and ‘Jaffa’ the last. The last stage evaluated, the skin color change of the fruits, occurred between the beginning of April and the end of May, with 2,306.4 to 2,619.4 ADD, since the beginning of sprouting. The orange trees showed different behavior when compared between genotypes and between years. Two groups of cultivars were defined: early and late.

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Desempenho horticultural de laranjeiras doces de meia-estação sobre tangerineira 'Sunki'

Cited by 2 publications

References 35 publications

Performance of field-selected clones of Pera sweet orange in Northern São Paulo state, Brazil

Performance of field-selected clones of Pera sweet orange in Northern São Paulo state, Brazil

Phenological cycle and thermal accumulation in the genotypes of sweet orange in Southern Brazil

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