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Research Article Open access CC BY 4.0

Improving Fruit Quality and Yield in Daisy Mandarin Cultivar by Foliar Application of Manganese and Iron

Bindia, Navdeep Singh, Gurdeep Singh, M.K. Kaul

International Journal of Plant & Soil Science · pp. 598–606 · Published 7 Aug 2025

10.9734/ijpss/2025/v37i85659

Abstract

In a study at Guru Kashi University, Talwandi Sabo, Punjab, evaluated the effects of foliar-applied manganese (Mn) and iron (Fe) on the Daisy mandarin cultivar. Manganese sulphate (0.1%, 0.2%, 0.3%) and ferrous sulphate (0.1%, 0.2%, 0.3%) were applied individually and in combination, using a Randomized Block Design with sixteen treatments, four replications, and sixty-four treatment combinations. The combination of 0.3% MnSO₄ + 0.2% FeSO₄ significantly improved fruit length (138.0 mm), juice content (39.18%), vitamin C (39.97 mg/100g), and fruit firmness (14.9 kg/cm²) compared to the control. The highest TSS (12.75 °Brix) was observed with 0.2% MnSO₄, however, 0.3% MnSO₄ + 0.3% FeSO₄ maximized fruit weight (156.87 g), fruit number (480.5), and yield (75.37 kg/plant).

Manganese sulphate ferrous sulphate fruit quality yield vitamin C TSS

Cited by 1

Role of growth regulators on fruit splitting and nutritional status of Daisy Mandarin in subtropical conditions

Komalpreet Kaur, Monika Gupta, H. S. Rattanpal · Scientific Reports · 2025

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