Comparison of Fruit Color and Quality Changes During Fruit Development in ‘Kinnow’ and ‘W. Murcott’ Mandarins

Singh, Jaspreet; Chahal, Tanjeet Singh; Gill, P. P. S.; Jawandha, S. K.

doi:10.1007/s10341-022-00818-z

Cited by 5 publications

(2 citation statements)

References 27 publications

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“…Also, it had an earlier external fruit maturation than the internal maturation necessary for harvesting. This behavior is observed in several citrus species (JULHIA et al, 2019;SINGH et al, 2023). Varieties with this behavior should not be harvested based on external color even in subtropical conditions (SINGH et al, 2023).…”

Section: Phenological Cycle and Thermal Accumulation In The Genotypes...mentioning

confidence: 86%

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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Section: Phenological Cycle and Thermal Accumulation In The Genotypes...mentioning

confidence: 86%

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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show abstract

“…For fruit color development, two to four months should usually elapse between the previous GA 3 application and the planned harvest [ 37 ]. This may be due to the extended impact of GA 3 on the rind’s physiology, as discussed by Singh et al [ 47 ]. Similar to the preharvest data, fruit brix did not vary significantly among treatments.…”

Section: Discussionmentioning

confidence: 99%

Preharvest Mandarin Rind Disorder: Insights into Varietal Differences and Preharvest Treatments Effects on Postharvest Quality

Rezk,

Pervaiz,

Douhan

et al. 2024

Plants

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The citrus industry loses a significant amount of mandarin fruits either before or shortly after harvesting due to rind disorder. Different citrus cultivars are impacted by a physiological rind disorder that lowers fruit quality and marketability. Although the primary etiology of this condition is unknown, changes in relative humidity (RH) and rind water status can make it worse. The damage is initiated in the fall, especially following rain. It begins with irregular water-soaked areas that develop into dark-brown, necrotic lesions covering large portions of the fruit’s surface. The damage is evident in some citrus types such as Satsuma Owari mandarins and other cultivars. In this study, we attempted to understand and control the occurrence of this kind of rind disorder in Satsuma Owari mandarins growing under California conditions. Our data showed that fruit located in the outer part of the canopy suffer more than fruit in the interior canopy. We were able to reduce this damage in Satsuma Owari mandarins by applying 2,4-dichlorophenoxyacetic acid (2,4-D) at 16 milligrams/Liter (mg/L), gibberellic acid (GA3) at 20 mg/L, or Vapor Gard® at 0.5 percent (v/v) at the color break stage. However, GA3 caused a delay in color development by approximately four weeks. GA3-treated fruit changed their color completely four weeks after the control, and the rind damage was at a very low percentage. Delaying rind senescence could be a good strategy to reduce the damage in mandarin orchards. Data showed that in addition to the benefits of the different treatments on preventing rind disorder at harvest, they have some beneficial effects during storage for four weeks either at 0.5 or 7.5 °C.

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Phytochemical Compounds of Citrus Fruits: Analytical Approach and Effect of Processing

Ozdemirli,

Kamiloglu

2024

Citrus Fruits and Juice

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Comparison of Fruit Color and Quality Changes During Fruit Development in ‘Kinnow’ and ‘W. Murcott’ Mandarins

Cited by 5 publications

References 27 publications

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

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

Preharvest Mandarin Rind Disorder: Insights into Varietal Differences and Preharvest Treatments Effects on Postharvest Quality

Phytochemical Compounds of Citrus Fruits: Analytical Approach and Effect of Processing

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