• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2021, Volume: 14, Issue: 30, Pages: 2504-2510

Original Article

Comparative study on Synergistic effect of plant growth promoting microalgae and Panchagavya in reclaiming the wasteland and growth induction of Vigna radiata

Received Date:16 May 2021, Accepted Date:15 July 2021, Published Date:15 September 2021


Objectives: The present comparison investigation determines the synergistic effects of employing Plant Growth Promoters [Spirulina platensis and organic fertilizer (Panchagavya)] in a waste land soil bag containing Vigna radiata seeds. Method: Soil from the waste landfill were collected and stored for the experiment. The plants were cultivated in experimental pots (Control, A, B, and C groups) using waste land soil supplemented with PGP [Plant growth promoters] in volume separately. Group A was treated with Spirulina platensis. Group B was treated with Panchagavya. Group C were treated with the consortium (Spirulina platensis + Panchagavya). Control Pots were treated only with water. The crop’s growth characteristics were measured after 14 days. Biomass production [Phosphorous], and phytohormone quantification were done. The relationship between various growth and yield were determined using Pearson’s correlation coefficients. Results: Overall growth and physiology of Vigna radiata were significantly influenced by the addition of PGP in Consortium. The available phosphorus status of the soil is 40 kg / ha, after consortium treatment. Significant positive correlations of grain yield were observed with consortium (r = 0.716; p < 0.05) while non consortium showed comparatively weaker correlation, microalgae – Spirulina platensis (r = 0.448; p > 0.05) and panchagavya (r = 0.407; p > 0.05). As a result, using biofertilizer in a consortium mode will be an effective strategy for maintaining biomass production in an alkaline environment or in wasteland management.

Keywords: Spirulina platensis; Phyto hormones; Panchagavya; consortium; Vigna radiate; Auxins


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© 2021 Jagathy & Lavanya. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)


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