Effects of Foliar Application of Micronutrients On Growth, Yield and Quality of Sweet Orange (Citrus Sinensis (L.) Osbeck)

Calcareous and alkaline nature of soil hinders smooth up take micronutrient from soil. Hence, the impact foliar feeding micronutrients (Zn, Fe, B, Cu) in different combinations on growth, yield quality sweet orange cv. Mosambi a non-conventional citrus growing area was evaluated. Results revealed that treatment combination Zn @ 0.5% + Fe 0.2% B 0.3% Cu 0.1% (T9) followed by (T6) (T7) most effective for improving growth plants terms shoot length, leaf number, as well photosynthetic efficiency plant. The per plant also obtained maximum T9 (14.94 kg). Further, fruit attributes TSS, total sugar, flavonoids, ascorbic acid content antioxidant capacity were recorded with at par result T6. Therefore, three spray May-July can be recommended to get better mosambi orchard under track having calcareous Bangladesh J. Bot. 51(1): 57-63, 2022 (March)