INFLUENCES OF NUTRIENTS ON PHYSIOLOGICAL AND BIOCHEMICAL CHANGES IN MULBERRY (Morus alba L.)

A. NAZAR¹*, M.K. KALARANI², P. JEYAKUMAR³, T. KALAISELVI⁴, K. ARULMOZHISELVAN⁵, S. MANIMEKALAI^6
1Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
²Tapioca and Castor Research Station, Yethapur, 636 119, Salem, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
³Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
⁴Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
⁵Department of Soil Science and Agricultural Chemistry, Anbil Dharmalingam Agricultural College and Research Institute, Trichy, 620009, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
⁶Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
* Corresponding Author : agrinazar@gmail.com

Received : 27-02-2019     Accepted : 12-03-2019     Published : 15-03-2019
Volume : 11     Issue : 5       Pages : 7959 - 7962
Int J Agr Sci 11.5 (2019):7959-7962

Keywords : Mulberry, Micronutrients, Biofertilizers, Physiological parameters
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
Author Contribution : All authors equally contributed

A field experiment was conducted to study the influence of combined application of biofertilizers and micronutrients on physiological and biochemical parameters of mulberry variety Victory 1 (V1). Biofertilizers were given as soil application and micronutrients either by soil or foliar application depending upon the treatments. Among the treatments, 100 % RDF + Soil application of ZnSO4, FeSO4, MnSO4 and MgSO4 @ 25 kg ha-1 each + Recommended dose of Biofertilizers (Azos: Azospirillum lipoferum, Phospho: Bacillus megaterium var. Phosphaticum and Potash mobilizer: Frateuria aurantia @1500 ml/ha each) has significantly influenced the physiological and biochemical parameters of mulberry as compared to other combinations of nutrients and application methods. This treatment recorded the highest values for physiological parameters viz., chlorophyll content, photosynthetic rate and the lowest in transpiration rate. Similarly, soluble protein, carbohydrates, total phenolics and nitrate reductase (NR) activity were found to be higher in this treatment compared to other treatments.

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