INFLUENCE OF SILKWORM PUPAL RESIDUE BIOCOMPOST (SPRB) ON GROWTH AND YIELD PARAMETERS OF MULBERRY

D.S. MAHESH¹*, T.K. NARAYANASWAMY², R. MUTHURAJU³, D.N. VIDYASHREE⁴, C.T. SUBBARAYAPPA^5
1Central Muga Eri Research & Training Institute, Central Silk Board, Govt of India, Lahdoigarh, 785700, Jorhat, Assam, India
²Department of Sericulture, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
³Department of Agricultural Microbiology, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
⁴Department of Agricultural Microbiology, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
⁵Department of Soil Science & Agricultural Chemistry, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India
* Corresponding Author : maheshdnpura@gmail.com

Received : 05-01-2020     Accepted : 27-01-2020     Published : 30-01-2020
Volume : 12     Issue : 2       Pages : 9464 - 9466
Int J Agr Sci 12.2 (2020):9464-9466

Keywords : Mulberry, Pupal residue biocompost, Growth parameters, Yield parameters
Academic Editor : Deivasigamani Manivelu, Dr Manjunath R N, Sagar Anand Pandey
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to DBT, New Delhi and Department of Sericulture, University of Agricultural Sciences, GKVK, Bengaluru, 560065, India for financial support.
Author Contribution : All authors equally contributed

A field experiment was conducted to study the effect of soil application of silkworm pupal residue biocompost (SPRB) on growth and yield parameters of V1 mulberry at Department of Sericulture, UAS, GKVK, Bengaluru. The experiment was conducted with seven treatments and four replications in randomized block design. The results of the study indicated that V1 mulberry raised with 50% N through Silkworm pupal residue bio compost (SPRB)+ 50% N through chemical fertilizer+ Recommended dose of P& K /ha/year through chemical fertilizer(T6) significantly increased the growth parameters viz., Plant height (70.60, 123.41 and 163.72 cm)and number of leaves per plant (123.33, 211.91 and 229.00)at 30th,45th and 60th days after pruning compared to control. Significant improvement in leaf area (185.25dm2), leaf yield per plant (1005.37g) and leaf yield per hectare (62.05 tonnes) was recorded in T6 compared to all the other treatments. Results of the present investigation indicated that, application of 50% N through SPRB+50% N through chemical fertilizer+ Recommended dose of P&K/ha/year through chemical fertilizer significantly increased both growth and yield parameters of V1 mulberry.

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