Relationship between soil temperature and fruit colour development of ‘Clemenpons’ Clementine mandarin (<i>Citrus clementina</i> Hort <i>ex</i>. Tan)

Mesejo, Carlos; Gambetta, Giuliana; Gravina, A.; Martínez‐Fuentes, Amparo; Reig, Carmina; Agustí, Manuel

doi:10.1002/jsfa.4600

Cited by 24 publications

(13 citation statements)

References 6 publications

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“…10 In Kinnow fruit, higher level of anthocyanins was noted at peak coloration stage at all three districts in February. Climatic factors also influenced on anthocyanins contents in peel as citrus fruit of humid sub-tropical area has lower level with faint coloration 15 and fails to develop peel coloring at tropic regions. 16 In present findings low level of anthocyanins was recorded at TTS due to humid warm conditions whereas low temperature from September till January at Sargodha produced more anthocyanins.…”

Section: Total Anthocyanins In Peelmentioning

confidence: 99%

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Impact of varying agrometeorological indices on peel color and composition of Kinnow fruit (Citrus nobilis Lour x Citrus deliciosa Tenora) grown at different ecological zones

et al. 2020

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Background Kinnow orchards were selected in different ecological zones in districts Sargodha, Toba Tek Singh (TTS) and Vehari of the Punjab province, Pakistan. Three biological replicates in block form were applied by using analysis of variance techniques to assess varying agrometeorological indices impact on fruit color‐development and peel composition. Results Fruit samples were randomly collected on each month's end starting from August up to February. Chromameter was used for measuring coloring parameters and its values a*, b*, C* and L* were increased from August till February with a rapid elevation started at color‐break stage, while hue angle (h*) rotated from 120° to 60° of portraying green to yellow shade. An increasing level of chlorophyll contents were noted in August till color‐break at the end of October and then diminished afterwards. Whereas, carotenoids increased rapidly upon yellow tinting peel of Kinnow fruits till fully attained deep orange color at the end of February. Ascorbic acid content and total phenolic content (TPC) showed a decreasing trend whereas anthocyanins and antioxidant activity were increased from August to February, with unchanged flavonoids and flavonols level. Fruit firmness was gradually reduced till color‐break with rapid reduction noted subsequently. Maturity index represented internal ripening directly increased with color‐development. Conclusion Color development has directly influenced on maturity index and both were increased rapidly after color‐break to afterwards. More color development with rapid reduction in chlorophyll, ascorbic acid and TPC level were seen in warm districts namely TTS and Vehari after color‐break stage due to accumulating more agrometeorological indices. © 2020 Society of Chemical Industry

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Section: Total Anthocyanins In Peelmentioning

confidence: 99%

“…11,12 Climatic factors unpredictability do effect color-break in citrus. 13,14 In warm regions, color-break is deferred with faded coloration 15 and citrus peel remains green in tropical regions. 16 Color development is also linked with change in peel composition, depending on external environment.…”

Section: Introductionmentioning

confidence: 99%

Impact of varying agrometeorological indices on peel color and composition of Kinnow fruit (Citrus nobilis Lour x Citrus deliciosa Tenora) grown at different ecological zones

et al. 2020

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“…from colour change to ripeness (801 to 809 BBCH, respectively), reaching the lowest value at ripeness. Iglesias et al (2001) and Gambetta et al (2012) reported similar results for N content during ripening of mandarins and oranges, respectively.…”

Section: Discussionmentioning

confidence: 52%

“…Nitrogen has been shown to elevate cytokinin levels in maize (Sakakibara et al, 1999) delaying tissue senescence, and, inversely, there have been reports of nitrogen withdrawal causing reduced gibberellin levels (Krauss, 1985) favouring tissue senescence. Based on in vitro experiments with the pericarp of oranges, Huff (1984) hypothesized that Citrus may degreen in response to a reduced nitrogen flow into the fruit, and Mesejo et al (2012) showed that low soil temperatures reduce Citrus root nitrogen uptake and translocation to the fruit, promoting its colour development. Hence, the endogenous nitrogen content is involved in the chlorophyll degradation process and thus in the fruit peel ripening.…”

Section: Discussionmentioning

confidence: 99%

Loquat fruit ripening is associated with root depletion. Nutritional and hormonal control

Reig

Mesejo

Martínez‐Fuentes

et al. 2015

Journal of Plant Physiology

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“…All these factors are positive associated to fruit colour development. Indeed, reducing soil temperature by covering soil with a white re fl ective mulch during the last 2 months before harvest, advances rind colour break and consequently harvest date of 'Clemenpons', a precocious Clementine mandarin (Mesejo et al 2011 ) .…”

Section: Environmental Factors Associated To Fruit Colour Developmentmentioning

confidence: 99%

Nutrient-Hormone Interactions in Citrus: Physiological Implications

Gravina

Gambetta

Rivas

2012

Advances in Citrus Nutrition

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Growth and development in woody perennial plants has many differences regarding to annual crops. After overcoming the juvenile stage, in which species are not able to produce fl owers, each annual cycle in perennials give rise to one or more fl ushes of vegetative and reproductive growth.Under tropical conditions, Citrus annually brings about several sprouting and blooms, whereas growing in temperate climates, only the spring fl ush is reproductive. In temperate zones, although several fl ushes of growth may occur, these are mostly vegetative. The exception is provided by lemon trees ( C . limon [L.] Burm.), which give rise to reproductive and vegetative shoots throughout the year.Vast information is available relating nutrition and water supply with fl owering and fruiting of Citrus . However, less information matching the controlling role of nutrients, carbohydrates, water and hormones during the developmental process is available. Therefore, hormonal and nutritional control of some Citrus developmental processes, with special emphasis on fl oral induction, fruit set, fruit development and maturation of Citrus has been focused in this chapter. AbstractCitrus growth and development is regulated by complex but subtly tuned nutritional and hormonal interaction in response to environmental signalling. Flower induction is stimulated by low temperatures and water stress and mediated by previous fruit load, being endogenous gibberellins (GAs) content pointed as the main inhibiting hormones. The promoting role of carbohydrates or nitrogen (N) on fl owering has not been demonstrated, but a minimum content of these compounds seems to be required for fl ower formation. Fruit set is a critical step for fruit production, being initially regulated by GAs content. Thereafter, during the onset of the source-sink competition, fruit set depends upon carbohydrates and N availability and fruitlets sink strength. During stage II of fruit development, fruit growth is promoted by auxins, carbohydrates and water accumulation. Afterwards, peel colour development, which is stimulated by low temperatures, is promoted by the decline of fl avedo's GAs content and the steady-state level of ethylene, as carbohydrates and abscisic acid (ABA) increase and N decrease during this fi nal stage.

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Relationship between soil temperature and fruit colour development of ‘Clemenpons’ Clementine mandarin (Citrus clementina Hort ex. Tan)

Abstract: Fruit colour-break does not take place at a certain ST, but after several hours at a ST of 20-23 °C. In our experiments, reducing ST during the 2 months before harvest advances the first picking date in the ‘Clemenpons’ Clementine mandarin.

Cited by 24 publications

References 6 publications

Impact of varying agrometeorological indices on peel color and composition of Kinnow fruit (Citrus nobilis Lour x Citrus deliciosa Tenora) grown at different ecological zones

Impact of varying agrometeorological indices on peel color and composition of Kinnow fruit (Citrus nobilis Lour x Citrus deliciosa Tenora) grown at different ecological zones

Loquat fruit ripening is associated with root depletion. Nutritional and hormonal control

Nutrient-Hormone Interactions in Citrus: Physiological Implications

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