Formerly International Journal of Basic and Applied Agricultural Research

Impact of Glomalin-Related Soil Proteins on in vitro Finger Millet (Eleusine coracana (L.) Gaertn.) seed germination

AMIT SINGH RANA, SUGANDHA PANT ASHOK KUMAR VERMA and ASHUTOSH DUBEY
Pantnagar Journal of Research, Volume - 22, Issue - 2 ( May-August 2024)

Published: 2024-08-31

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Abstract


Arbuscular mycorrhizal fungi (AMF) form symbiotic relationships with approximately 80% of terrestrial plants, enhancing root surface area and interacts with the rhizosphere. Glomalin-related soil protein (GRSP), a glycoprotein secreted by AMF, influences soil quality and promotes plant growth. This study investigates the effects of exogenously applied GRSP on finger millet seed germination in vitro. Two concentrations of GRSP were administered to observe it effect on root length, shoot length, and biomass production. Results showed that half-strength GRSP significantly enhances seedling growth, while full-strength exhibited zero to inhibitory effects. The root growth, shoot growth, biomass and seedling vigour index increased in GRSP treated MS media compared to control by nearly 70%, 81%, 43% and 75 % respectively. Comparative studies suggested a parallel perspective on the growth-promoting role of GRSP. The positive impact of EE-GRSP on finger millet seeds aligns with its humic acid-like properties, yet higher concentrations may contain impurities hindering growth. Hence, this study exhibits that GRSP is a potential growth promoter for finger millet.


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