Araújo F, Sérgio A, Obike AI, Figueiredo MVB (2009) Role of plant growth-promoting bacteria in sustainable agriculture. In: Salazar A, Rios I (eds) In Sustainable Agriculture: Technology, Planning, vol 96. vol (2-3). Nova Science Publishers: Hauppauge, pp 455–465
Bailly A, Groenhagen U, Schulz S, Geisler M, Eberl L, Weisskopf L (2014) The inter-kingdom volatile signal indole promotes root development by interfering with auxin signalling. Plant J 80:758–771
Bashir K, Ali S, Umair A (2011) Effect of different phosphorus levels on xylem sap components and their correlation with growth variables of mash bean. Sarhad J Agric 27:595–601
Boby V, Balakrishna A, Bagyaraj D (2008) Interaction between Glomus mosseae and soil yeasts on growth and nutrition of cowpea. Microbiol Res 163:693–700
Bremner JM, Mulvaney CS (1982) Nitrogen-Total. In: Methods of soil analysis. Part 2. Chemical and microbiological properties, Page, A.L., Miller, R.H. and Keeney, D.R. Eds., American Society of Agronomy, Soil Science Society of America, Madison, Wisconsin, 595–624.
Daniel R (2000) Future challenges in food grain production in India. Curr Sci 79:1051–1053
d'Arcy Lameta A, Jay M (1987) Study of soybean and lentil root exudates. III: Influence of soybean isoflavonoids on the growth of rhizobia and some rhizospheric microorganisms. Plant Soil 101:267–272
De Meyer ES, Beuf D, Vekeman K, Bram Willems A (2015) A large diversity of non-rhizobial endophytes found in legume root nodules in Flanders (Belgium). Soil Biol Biochem 83:1–11
Delauney AJ, Verma DPS (1993) Proline biosynthesis and osmoregulation in plants. Plant J 4:215–223
Dudeja S, Giri R, Saini R, Suneja-Madan P, Kothe E (2012) Interaction of endophytic microbes with legumes. J Basic Microbiol 52:248–260
Fatima Z, Muhammad Z, Fayyaz C (2006) Effects of Rhizobium strains and phosphorus on growth of soy bean (Glycin max) and survival of Rhizobium and P solubilizing bacteria. Pak J Bot 38:459–464
Gaur Y (1993) Microbiology, physiology and agronomy of nitrogen fixation: legume-Rhizobium symbiosis. PNAS 59:333–358
Gomaa A, Moawad S, Ebadah I, Salim H (2005) Application of bio-organic farming and its influence on certain pests infestation, growth and productivity of potato plants. J Appl Sci Res 1:205–211
Gutiérrez-Luna et al (2010) Plant growth-promoting rhizobacteria modulate root-system architecture in Arabidopsis thaliana through volatile organic compound emission. Symbiosis 51:75–83
Hartwig UA, Joseph CM, Phillips DA (1991) Flavonoids released naturally from alfalfa seeds enhance growth rate of Rhizobium meliloti. Plant Physiol 95:797–803
Ibañez F, Arroyo ME, Angelini J, Tonelli ML, Muñoz V, Ludueña L, Valetti L, Fabra A (2014) Non-rhizobial peanut nodule bacteria promote maize (Zea mays L.) and peanut (Arachis hypogaea L.) growth in a simulated crop rotation system. Appl Soil Ecol 84:208–212
Khandual S (2007) Flavonoids as signaling molecules and regulators of root nodule development dynamic soil. Dynamic Plant 1:83–94
Korir H, Mungai NW, Thuita M, Hamba Y, Masso C (2017) Co-inoculation effect of rhizobia and plant growth promoting rhizobacteria on common bean growth in a low phosphorus soil. Front Plant Sci 8:141
Kumar LE, Allaway S, Bourdes D, Prell A, Priefer J, Ursula Poole P (2004) Regulation of L-alanine dehydrogenase in Rhizobium leguminosarum bv. viciae and its role in pea nodules. J Bacteriol 186:842–849
Lindsay W, Norvell W (1978) Development of a DTPA soil test for zinc, iron, manganese, and copper. Soil Sci Soc Am 42:421–428
Lomascolo A, Asther M, Navarro D, Antona C, Delattre M, Lesage-Meessen L (2001) Shifting the biotransformation pathways of l-phenylalanine into benzaldehyde by Trametes suaveolens CBS 334.85 using HP20 resin. Lett Appl Microbiol 32:262–267
Lutts SBP, Wojtyla L, Szymon Kubala S, Pace R, Lechowska K, Quinet M, Garnczarska M (2016) Seed priming: new comprehensive approaches for an old empirical technique. New Chall Seed Biol - Basic Translat Res Driv Seed Technol Intech Open. https://doi.org/10.5772/64420.10.5772/64420
Maâtallah J et al (2002) 1920901. Phenotypic characterization of rhizobia isolated from chickpea (Cicer arietinum) growing in Moroccan soils. Agron Sustain Dev 22:321–329
Mahadevam A (1984) Growth regulators, microorganisms and diseased plants. Oxford and IBH publishing Co., New Delhi
Martínez-Hidalgo PO, Delgado J, Bedmar A, Eulogio Martínez-Molina E (2014) Endophytic Micromonospora from Medicago sativa are apparently not able to fix atmospheric nitrogen. Soil Biol Biochem 74:201–203
Mehlich A (1984) Mehlich 3 soil test extractant: a modification of Mehlich 2 extractant. Commun Soil Sci Plant Anal 15:1409–1416
Mekki B, Ahmed AG (2005) Growth, yield and seed quality of soybean (Glycine max L.) as affected by organic, biofertilizer and yeast application. Res J Agric Biol Sci 1:320–324
Mishra PK, Mishra S, Selvakumar G, Kundu S, Shankar Gupta H (2009) Enhanced soybean (Glycine max L.) plant growth and nodulation by Bradyrhizobium japonicum-SB1 in presence of Bacillus thuringiensis-KRI. Acta Agric Scandinavica Sect B — Soil Plant Sci 59:189–196
Mohamed H, Metwally A (2014) Effect of combined inoculation of Rhizobium with soil yeasts on nodulation, growth and yield of common bean (Phaseolus vulgaris L.) under field condition. Ameri J Plant Nutri Fertili Technol 4:1–10
Okalebo J, Gathua K, Woomer P (2002) Laboratory methods of plant and soil analysis: a working manual. TSBF-UNESCO, Nairobi
Oldroyd GE, Murray JD, Poole PS, Downie JA (2011) The rules of engagement in the legume-rhizobial symbiosis. Annu Rev Genet 45:119–144
Pal SS (1998) Interactions of an acid tolerant strain of phosphate solubilizing bacteria with a few acid tolerant crops. Plant Soil 198:169–177
Palaniappan P, Chauhan PS, Saravanan VS, Anandham R, Sa T (2010) Isolation and characterization of plant growth promoting endophytic bacterial isolates from root nodule of Lespedeza sp. Biol Fertil Soils 46:807–816
Pandya M, Naresh Kumar G, Rajkumar S (2013) Invasion of rhizobial infection thread by non-rhizobia for colonization of Vigna radiata root nodules. FEMS Microbiol Lett 348:58–65
Peña T, Fedorova E, Pueyo J, Lucas M (2018) The symbiosome: legume and rhizobia co-evolution toward a nitrogen-fixing organelle? Front Plant Sci 8:2229
Reed G, Nagodawithana T (1991) General classification of yeasts. In: Yeast Technol. Springer, Dordrecht pp. 7–36. https://doi.org/10.1007/978-94-011-9771-7_2
Roessner LA, Brust D, Fiehn O, Linke T, Willmitzer L, Fernie AR (2001) Metabolic profiling allows comprehensive phenotyping of genetically or environmentally modified plant systems. Plant Cell 13:11–29
Sampedro I, Aranda E, Scervino J, Fracchia S, García-Romera I, Ocampo J, Godeas A (2004) Improvement by soil yeasts of arbuscular mycorrhizal symbiosis of soybean (Glycine max) colonized by Glomus mosseae. Mycorrhiza 14:229–234
Selvakumar G, Bhatt RM, Upreti KK, Bindu GH, Shweta K (2015) Citricoccus zhacaiensis B-4 (MTCC 12119) a novel osmotolerant plant growth promoting actinobacterium enhances onion (Allium cepa L.) seed germination under osmotic stress conditions. World J Microbiol Biotechnol 31:833–839
Singh BD (2001) Organisation for Crop Improvement in India. In: Plant Breeding: Principles and Methods. Kalyani Publishers, Ludhiana
Stagnari F, Maggio A, Galieni A, Pisante M (2017) Multiple benefits of legumes for agriculture sustainability: an overview. Chemi Biol Technol Agric 4:2
Tariq M, Sameed S, Yasmeen T, Zahid M, Zafar M (2014) Molecular characterization and identification of plant growth promoting endophytic bacteria isolated from the root nodules of pea (Pisum sativum L.). World J Microbiol Biotechnol 30:719–725
R Core Team (2013) R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna. http://www.R-project.org/
Thanuja G, Brundha A, Thankappan S, Uthandi S (2017) Non - Rhizobial endophytic yeast C. tropicalis VYW1 associated with rot ndules of blackgram - endowed with plant growth promoting attributes. AMI conference, Lucknow
Thanuja G, Brundha A, Thankappan S, Uthandi S (2020) Non-rhizobial endophytic (NRE) yeasts assist nodulation of Rhizobium in root nodules of blackgram (Vigna mungo L.). Arch Microbiol. https://doi.org/10.1007/s00203-020-01983-z
Tiwari S, Chauhan R, Singh R, Shukla R, Gaur R (2017) Integrated effect of Rhizobium and Azotobacter cultures on the leguminous crop black gram (Vigna mungo). AdvanCrop Sci Technol 5:1–9
Tsai AYL, Oota M, Sawa S (2020) Chemotactic Host-FindingStrategies of Plant Endoparasites and Endophytes. Front Plant Sci:1167. https://doi.org/10.3389/fpls.2020.01167
Tuladhar K, Rao NS (1985) Interaction of yeasts and some nitrogen fixing bacteria on nodulation of legumes. Plant Soil 84:287–291
Walker SA, Downie JA (2000) Entry of Rhizobium leguminosarum bv. viciae into root hairs requires minimal nod factor specificity, but subsequent infection thread growth requires nodO or nodE. Molec Plant-Microb Int 13:754–762
Walkley A, Black IA (1934) An examination of the Degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method. Soil Sci 37:29–38
Woomer PL, Karanja N, Kisamuli SM, Murwira M, Bala A (2011) A revised manual for rhizobium methods and standard protocols available retrieved from: http://www.N2Africa.org. Accessed 22 Oct 2020
Zgadzaj R et al (2015) A legume genetic framework controls infection of nodules by symbiotic and endophytic bacteria. PLoS Genet 11:100–280