INFLUENCE OF FOLIAR APPLICATION OF MICRONUTRIENTS ON YIELD AND QUALITY OF MANDARIN ORANGE (Citrus reticulata Blanco.) UNDER LOWER PULNEY HILLS

C.J. NITHIN KUMAR¹*, J. RAJANGAM², K. BALAKRISHNAN³, P.M. SAMPATH^4
1Department of Fruit Science, University of Horticultural Science, Bagalakot, Karnataka, 587104
²Department of Fruit Crops, Horticultural College and Research Institute, Periyakulam, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu
³Department of Crop physiology, Agricultural College and Research Institute, Maduri, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu
⁴Department of Fruit Science, Collage of Horticulture, Bangeluru, University of Horticultural Sciences, Bagalkot, Karnataka 587104
* Corresponding Author : kumarcjnithin@gmail.com

Received : 17-03-2017     Accepted : 25-03-2017     Published : 12-04-2017
Volume : 9     Issue : 17       Pages : 4151 - 4153
Int J Agr Sci 9.17 (2017):4151-4153

Keywords : Mandarin orange, Micronutrients, Foliar spray, Physio-chemical attributes
Academic Editor : Ramchet, Thokchom Rocky
Conflict of Interest : None declared
Acknowledgements/Funding : It gives me an immense pleasure in placing on record sincere expression of thanks to Mr T.V.S.N. Veeraarasu, TVSN Veeranna estate, Kaanalkadu, who rendered me the experimental unit and provided all the facilities to successfully implement the research programme
Author Contribution : J Rajangam, Professor and Head, Department of Fruit Crops, Horticultural Collage and Research Institute – Periyakulam, Tamil Nadu Agricultural University, Tamil Nadu. K Balakrishnan, Professor of Crop physiology, Department of Crop physiology, Agricul

The experiment was carried out on mandarin orange (Citrus reticulata Blanco.) to investigate the effects of spraying micronutrients on yield and quality parameters. Fifteen treatment comprising of ZnSO4 (0.2%), FeSO4 (0.2%), H3BO4 (0.2%), MnSO4 (0.3%) and CuSO4 (0.4%) alone or in combination with control (water spray) were used as foliar spray solution at vegetative, flowering and fruitset stage. The experiment was laid out in randomized block design(RBD) with three replication and two trees under each replication. Data were recorded on fruit set per cent, number of fruits per tree, yield and quality attributes. The obtained data were statistically evaluated by using standard procedure. The result revealed that foliar application of micronutrients found very effective for increased yield and physio- chemical attributes. Maximum fruit yield and improved quality parameters were observed in combination of all the micronutrients (T15).

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