[Alderton G., Thompson P.A., Snell N. 1964. Heat adaptation and ion exchange in Bacillus megaterium spores. Science 143(3602): 141–143. DOI: 10.1126/science.143.3602.141.10.1126/.143.3602.141]Open DOISearch in Google Scholar
[Ash C., Priest F.G., Collins M.D. 1993. Molecular identification of rRNA group 3 bacilli (Ash, Farrow, Wallbanks and Collins) using a PCR probe test, Proposal for the creation of a new genus Paenibacillus. Antonie van Leeuwenhoek 64(3): 253–260. DOI: 10.1007/BF00873085.10.1007/BF008730858085788]Open DOISearch in Google Scholar
[Aytekin A., Acikgoz A.O. 2008. Hormone and microorganism treatments in the cultivation of saffron (Crocus sativus L.) plants. Molecules 13: 1135–1147. DOI: 10.3390/molecules13051135.10.3390/13051135]Open DOISearch in Google Scholar
[Chakraborty U., Chakraborty B., Basnet M. 2006. Plant growth promotion and induction of resistance in Camellia sinensis by Bacillus megaterium. Journal of Basic Microbiology 46: 186–195. DOI: 10.1002/jobm.200510050.10.1002/jobm.20051005016721878]Open DOISearch in Google Scholar
[Compant S., Duffy B., Nowak J., Clément C., Barka E.A. 2005. Use of plant growth-promoting bacteria for biocontrol of plant diseases: principles, mechanisms of action, and future prospects. Applied and Environmental Microbiology 71(9): 4951–4959. DOI: 10.1128/AEM.71.9.4951-4959.2005.10.1128/AEM.71.9.4951-4959.2005121460216151072]Open DOISearch in Google Scholar
[Cooley M.B., Miller W.G., Mandrell R.E. 2003. Colonization of Arabidopsis thaliana with Salmonella enterica and enterohemorrhagic Escherichia coli O157:H7 and competition by Enterobacter asburiae. Applied and Environmental Microbiology 69(8): 4915–4926. DOI: 10.1128/AEM.69.8.4915-4926.2003.10.1128/AEM.69.8.4915-4926.200316911812902287]Search in Google Scholar
[Dellaporta S.L., Wood J., Hicks J.B. 1983. A plant DNA minipreparation: version II. Plant Molecular Biology Reporter 1(4): 19–21. DOI: 10.1007/BF02712670.10.1007/BF02712670]Open DOISearch in Google Scholar
[Fiori M., Ligios V., Schiaffino A. 2011. Identification and characterization of Burkholderia isolates obtained from bacterial rot of saffron (Crocus sativus L.) grown in Italy. Phytopathologia Mediterranea 50: 450–461. DOI: 10.14601/Phytopathol_Mediterr-8730.10.14601/Phytopathol_Mediterr-8730]Open DOISearch in Google Scholar
[Govindasamy V., Senthilkumar M., Magheshwaran V., Kumar U., Bose P., Sharma V., Annapurna K. 2010. Bacillus and Paenibacillus spp.: Potential PGPR for sustainable agriculture. In: Maheshwari D.K. (Ed.), Microbiology Monographs, vol. 18. Plant Growth and Health Promoting Bacteria. Springer, pp. 333–364. DOI: 10.1007/978-3-642-13612-2_15.10.1007/978-3-642-13612-2_15]Open DOISearch in Google Scholar
[Huang J.W., Blaylock M.J., Kapulnik Y., Ensley B.D. 1998. Phytoremediation of uranium-contaminated soils: role of organic acids in triggering uranium hyperaccumulation in plants. Environmental Science and Technology 32: 2004–2008. DOI: 10.1021/es971027u.10.1021/es971027u]Open DOISearch in Google Scholar
[Ihsan S.A., Al-Mohammad M.H.S., Al-Thamir S.N.K. 2014. The influence of spermidine and biofertilizer application on the growth, yield and some active constituents of saffron plant (Crocus sativus L.). Journal of Biology, Agriculture and Healthcare 4(24): 131–135.]Search in Google Scholar
[Kafi M., Hemmati Kakhki A., Karbasi A. 2006. Historical background, economy, acreage, production, yield and uses. In: Kafi M., Koocheki A., Rashed M.H., Nassiri M. (Eds.), Saffron (Crocus sativus): Production and Processing. Science Publishers, USA, pp. 1–11.]Search in Google Scholar
[Kaymak H.C., Yarali F., Guvenc I., Figen Donmez M. 2008. The effect of inoculation with plant growth rhizobacteria (PGPR) on root formation of mint (Mentha piperita L.) cuttings. African Journal of Biotechnology 7(24): 4479–4483.]Search in Google Scholar
[Kloepper J.W., Leong J., Teintze M., Schroth M.N. 1980. Enhanced plant growth by siderophores produced by plant growth-promoting rhizobacteria. Nature 286(5776): 885–886. DOI: 10.1038/286885a0.10.1038/286885a0]Open DOISearch in Google Scholar
[Kumar A., Prakash A., Johri B.N. 2011. Bacillus as PGPR in crop ecosystem. In: Maheshwari D.K. (Ed.), Bacteria in Agrobiology: Crop Ecosystems. Springer, pp. 37–59. DOI: 10.1007/978-3-642-18357-7_2.10.1007/978-3-642-18357-7_2]Open DOISearch in Google Scholar
[Kumar N.R., Arasu V.T., Gunasekaran P. 2002. Geno-typing of antifungal compounds producing plant growth-promoting rhizobacteria, Pseudomonas fluorescens. Current Science 82(12): 1463–1466.]Search in Google Scholar
[Lin Y.S., Ha I., Maldonado E., Reinberg D., Green M.R. 1991. Binding of general transcription factor TFIIB to an acidic activating region. Nature 353(6344): 569–571. DOI: 10.1038/353569a0.10.1038/353569a01922364]Open DOISearch in Google Scholar
[van Loon L.C. 2007. Plant responses to plant growth-promoting rhizobacteria. European Journal of Plant Pathology 119: 243–254. DOI: 10.1007/s10658-007-9165-1.10.1007/s10658-007-9165-1]Open DOISearch in Google Scholar
[Lugtenberg B., Kamilova F. 2009. Plant-growth-promoting rhizobacteria. Annual Review of Microbiology 63: 541–556. DOI: 10.1146/annurev.micro.62.081307.162918.10.1146/annurev.micro.62.081307.16291819575558]Open DOISearch in Google Scholar
[Luster J., Göttlein A., Nowack B., Sarret G. 2009. Sampling, defining, characterising and modeling the rhizosphere – the soil science tool box. Plant Soil 321: 457–482. DOI: 10.1007/s11104-008-9781-3.10.1007/s11104-008-9781-3]Open DOISearch in Google Scholar
[Mandic-Mulec I., Prosser J.I. 2011. Diversity of endo-spore-forming bacteria in soil: characterization and driving mechanisms. In: Logan N.A., De Vos P. (Eds.), Soil Biology, vol. 27. Endospore-Forming Soil Bacteria. Springer, pp. 31–59. DOI: 10.1007/978-3-642-19577-8_2.10.1007/978-3-642-19577-8_2]Open DOISearch in Google Scholar
[Mayak S., Tirosh T., Glick B.R. 2004. Plant growth-promoting bacteria confer resistance in tomato plants to salt stress. Plant Physiology and Biochemistry 42: 565–572. DOI: 10.1016/j.plaphy.2004.05.009.10.1016/j.plaphy.2004.05.00915246071]Open DOISearch in Google Scholar
[Meziane H., Van der Sluis I., van Loon L.C., Höfte M., Bakker P.A.H.M. 2005. Determinants of Pseudomonas putida WCS358 involved in inducing systemic resistance in plants. Molecular Plant Pathology 6(2): 177–185. DOI: 10.1111/j.1364-3703.2005.00276.x.10.1111/j.1364-3703.2005.00276.x20565648]Open DOISearch in Google Scholar
[Naghdi Badi, H., Omidi H., Golzad A., Torabi H., Fotookian M.H. 2011. Change in crocin, safranal and picrocrocin content and agronomical characters of saffron (Crocus sativus L.) under biological and chemical of phosphorous fertilizers. Iranian Journal of Medicinal Plants. 4(40): 58-68. [in Persian with English Summary].]Search in Google Scholar
[Nakamura L.K. 1989. Taxonomic relationship of black-pigmented Bacillus subtilis strains and a proposal for Bacillus atrophaeus sp. nov. International Journal of Systematic Bacteriology 39(3): 295–300. DOI: 10.1099/00207713-39-3-295.10.1099/00207713-39-3-295]Open DOISearch in Google Scholar
[Niu D.D., Liu H.X., Jiang C.H., Wang Y.P., Wang Q.Y., Jin H.L., Guo J.H. 2011. The plant growth-promoting rhizobacterium Bacillus cereus AR156 induces systemic resistance in Arabidopsis thaliana by simultaneously activating salicylate- and jasmonate/ethylene-dependent signaling pathways. Molecular Plant-Microbe Interactions 24(5): 533–542. DOI: 10.1094/MPMI-09-10-0213.10.1094/MPMI-09-10-021321198361]Open DOISearch in Google Scholar
[Omidi H., Naghdi Badi H., Golzad A., Torabi H., Footoukian M.H. 2009. The effect of chemical and bio-fertilizer source of nitrogen on qualitative and quantitative yield of saffron (Crocus sativus L.). Journal of Medicinal Plants 2(30): 98–109. [in Persian with English abstract]]Search in Google Scholar
[Rai M.K. 2006. Handbook of Microbial Biofertilizers. CRC Press, 579 p.10.1201/9781482277760]Search in Google Scholar
[Rasouli Z., Maleki Farahani S., Besharati H. 2013. Some vegetative characteristics of saffron (Crocus sativus L.) as affected by various fertilizers. Iranian Journal of Soil Research 27(1): 35–46. [in Persian with English abstract]]Search in Google Scholar
[Schaad N.W., Jones J. B., Chun W. 2001. Laboratory Guide for Identification of Plant Pathogenic Bacteria, 3rd ed. American Phytopathological Society Press, St Paul, USA.]Search in Google Scholar
[Shanmugam V., Thakur H., Gupta S. 2013. Use of chitinolytic Bacillus atrophaeus strain S2BC-2 antag-onistic to Fusarium spp. for control of rhizome rot of ginger. Annals of Microbiology 63(3): 989–996. DOI: 10.1007/s13213-012-0552-2.10.1007/s13213-012-0552-2]Open DOISearch in Google Scholar
[Sharaf-Eldin M., Elkholy S., Fernández J.A., Junge H., Cheetham R., Guardiola J., Weathers P. 2008. Bacillus subtilis FZB24® affects flowers quantity and quality of saffron (Crocus sativus). Planta Medica 74(10): 1316–1320. DOI: 10.1055/s-2008-1081293.10.1055/s-2008-1081293394740318622904]Search in Google Scholar
[Sharma T., Kaul S., Dhar M.K. 2015. Diversity of culturable bacterial endophytes of saffron in Kashmir, India. SpringerPlus 4; article 661, 13 p. DOI: 10.1186/s40064-015-1435-3.10.1186/s40064-015-1435-3463031626558164]Open DOISearch in Google Scholar
[Singh S., Kapoor K.K. 1999. Inoculation with phosphate-solubilizing microorganisms and a vesicular-arbus-cular mycorrhizal fungus improves dry matter yield and nutrient uptake by wheat grown in a sandy soil. Biology and Fertility of Soils 28: 139–144. DOI: 10.1007/s003740050475.10.1007/s003740050475]Open DOISearch in Google Scholar
[Sofi J.A., Kirmani N.A., Ansar-ul Haq S. 2008. Effect of integrated nutrient management on saffron yield and soil fertility. Asian Journal of Soil Science 3: 117–119.]Search in Google Scholar
[Somasegaran P., Hoben H.J. 1994. Handbook for Rhizobia. Methods in Legume-Rhizobium Technology. Springer-Verlag, 450 p. DOI: 10.1007/978-1-4613-8375-8.10.1007/978-1-4613-8375-8]Open DOISearch in Google Scholar
[Tamura K., Stecher G., Peterson D., Filipski A., Kumar S. 2013. MEGA6: molecular evolutionary genetics analysis version 6.0. Molecular Biology and Evolution 30(12): 2725–2729. DOI: 10.1093/molbev/mst197.10.1093/molbev/mst197384031224132122]Search in Google Scholar
[Tilak K.V.B.R., Ranganayaki N., Pal K.K., De R., Saxena A.K., Nautiyal C.S. et al. 2005. Diversity of plant growth and soil health supporting bacteria. Current Science 89: 136–150.]Search in Google Scholar