| Authors | ,Mehdi Jahani,Mohammad Hassan Sayyari Zohan,Mehdi Khayyat,Mohammad Reza MIRZAEE |
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| Journal | Agriculturae Conspectus Scientificus |
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| Page number | 339-355 |
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| Serial number | 90 |
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| Volume number | 4 |
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| Paper Type | Full Paper |
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| Published At | 2025 |
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| Journal Type | Typographic |
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| Journal Country | Iran, Islamic Republic Of |
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| Journal Index | Scopus |
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| Keywords | kaolin, Punica granatum, anthocyanin, fruit quality |
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Abstract
A two-year field experiment (2021–2022) was conducted in Birjand, Iran, using a
randomized block design with three pomegranate cultivars (‘Shisheh-Kab’, ‘Malas Saveh’,
and ‘Malas Yazdi’) and three kaolin concentrations (0, 3, and 5%). Foliar application of
kaolin particle film (KPF) significantly influenced fruit yield and quality traits. While kaolin
increased fruit weight in ‘Shisheh--Kab’ and ‘Malas Saveh’ in the first year, a reduction was
observed in the second year, reflecting cultivar × treatment interactions rather than a uniform
main effect. The anthocyanin content improved under the kaolin treatments, with 5% KPF
increasing the total anthocyanin concentration by approximately 25% compared with that
of the control. The highest anthocyanin values were recorded in Malas Yazdi (228.6 mg L-1)
and Malas Saveh (208.9 mg L-1), whereas Shisheh-Kab presented the lowest value (97 mg
L-1) and a relatively high degree of aril paleness. Kaolin treatment also reduced peel weight
and enhanced taste attributes, with titratable acidity (TA) being lowest in ‘Shisheh-Kab’
and highest in ‘Malas Yazdi’. Overall, kaolin particle film application improved fruit quality
characteristics, although cultivar-specific responses were evident.
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