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Tag: Rind disorder

25 Jul 2024
Citrus Rot
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Effect of storage temperature on rind pitting and fruit rot in Satsuma ‘Okitsu’

Rind disorders on satsuma mandarin have caused serious crop losses in Uruguay. The causes of these disorders are not well understood and their incidence is erratic, showing high variability from year to year and among orchards. Satsuma fruit suffers chilling injury during cold storage, and rind pitting is a common symptom. The objective of this study was to analyze fruit response to different storage temperatures evaluating pitting development and the incidence of different drench treatments on fruit rot and pitting development. Satsuma ‘Okitsu’ fruits were harvested from two different farms, one with high pitting history (Q102) and the other with low pitting history (Q100).

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15 Feb 2016
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Fruit Splitting in Citrus

Paul J. R. Cronje
Citrus Research International | Department of Horticultural Science, Stellenbosch University

Ockert P. J. Stander and Karen I. Theron
Department of Horticultural Science, Stellenbosch University

Various citrus cultivars of ‘Navel’ and ‘Valencia’ orange [Citrus sinensis (L.) Osbeck], as well as mandarin and mandarin hybrids (Citrus reticulata Blanco) are prone to a preharvest physiological rind disorder, known as fruit splitting.

Similar disorders occur as fruit cracking and/or splitting in other commercially important horticultural crops, most notably in apple, apricot, cherry, grape, nectarine, prune, and tomato. Fruit splitting in citrus differs from other crops due to the unique morphology of a citrus fruit, consisting of the pulp and rind, which is made up of the spongy white internal layer, the albedo (mesocarp), and the external layer, the flavedo (exocarp).

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