Seed-Borne Probiotic Yeasts Foster Plant Growth and Elicit Health Protection in Black Gram ( Vigna mungo L.)

Jeberlin Prabina Bright, Kumutha Karunanadham, Hemant S. Maheshwari, Eraivan Arutkani Aiyanathan Karuppiah, Sugitha Thankappan, Rajinimala Nataraj, Durga Pandian, Fuad Ameen, Peter Poczai and Riyaz Z. Sayyed
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Jeberlin Prabina Bright: Department of Soil Science and Agricultural Chemistry, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Killikulam 628 252, India
Kumutha Karunanadham: Department of Agricultural Microbiology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai 625 104, India
Hemant S. Maheshwari: ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore 452001, India
Eraivan Arutkani Aiyanathan Karuppiah: Department of Plant Pathology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Killikulam 628 252, India
Sugitha Thankappan: School of Agriculture and Biosciences, Karunya Institute of Technology and Sciences, Karunya Nagar, Coimbatore 641 114, India
Rajinimala Nataraj: Department of Plant Pathology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Killikulam 628 252, India
Durga Pandian: Department of Agricultural Microbiology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai 625 104, India
Fuad Ameen: Department of Botany & Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
Peter Poczai: Finnish Museum of Natural History, University of Helsinki, FI-00014 Helsinki, Finland
Riyaz Z. Sayyed: Department of Microbiology, PSGVP Mandal’s S I Patil Arts, G.B. Patel Science and STKVS Commerce College, Shahada 425 409, India

Sustainability, 2022, vol. 14, issue 8, 1-18

Abstract: Black gram is one of the most indispensable components of the world food basket and the growth and health of the crop get influenced by biotic and abiotic factors. Beneficial phyto-microbes are one among them that influence the crop growth, more particularly the seed borne microbes are comparatively beneficial, that they pass from generation to generation and are associated with the plants from establishment to development. In the present study, twenty seed-borne yeasts were characterized and tested for growth promotion of black gram and their antagonism against black gram phytopathogens. Two yeasts, Pichia kudriavzevii POY5 and Issatchenkia terricola GRY4, produced indole acetic acid (IAA), siderophore, 1-amino cyclopropane-1-carboxylic acid deaminase (ACCD), and plant defense enzymes. They solubilized phosphate and zinc and fixed atmospheric nitrogen. Inoculation of these two yeast isolates and Rhizobium BMBS1 improved the seed germination, physiological parameters and yield of black gram. Inoculation of Rhizoctonia solani -challenged plants with plant growth-promoting yeasts, resulted in the synthesis of defense-related enzymes such as peroxidases (POD), chitinases, catalase (CAT), and polyphenol oxidases (PPO). Thus, the seed-borne yeasts, Pichia kudriavzevii POY5 and Issatchenkia terricola GRY4, could be used as plant probiotics for black gram.

Keywords: defense enzymes; plant growth promotion; multi-functional yeast; pathogen challenging; plant probiotics; seed-borne yeast; siderophores (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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