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OKON, Y. Azospirillum: Physiological properties, mode of association with roots and its application for the benefit of cereal and forage grass crops. Isr. J. Bot., v.31, n.1, p.214-220, 1982.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y. Azospirillum as a potential inoculant for agriculture. Trends Biotechnol., v.3, n.9, p.223-228, 1985.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Trigo.

OKON, Y. Recent progress in research on biological nitrogen fixation with nonleguminous crops. Phosphorus Agric., v., n.82, p.3-10, 1982.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y. Response of cereal and forage grasses to inoculation with N2-fixing bacteria. In: C. Veeger & W.E. Newton, eds. In: Advances in Nitrogen Fixation Research.. Martinus Nijhoff. Hague., 1984. p.303-309.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y. (ed.). Azospirillum/plant associations. Boca Raton: CRC Press, 1994. 175 p.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Trigo.

ZAADY, E.; OKON, Y. Cultural conditions affecting Azospirillum brasilense cell aggregation and adsorption to maize roots. Soil Biol. Biochem., v.22, n.8, p.1103-1107, 1990.
Biblioteca(s): Embrapa Agrobiologia.

MORGENSTERN, E.; OKON, Y. The effect of azospirillun brasilense and auxin on root morphology in seedings of sorghum bicolor x sorghum sudanense. Arid Soil Research Rehabilitarion., v.1, n., p.115-117, 1987.
Biblioteca(s): Embrapa Soja.

OKON, Y.; KAPULNIK, Y. Development and function of Azospirillum-inoculated roots. Plant Soil, v.90, p.3-16, 1986.
Biblioteca(s): Embrapa Agrobiologia.

FALLIK, E.; OKON, Y. Growth response of maize roots to Azospirillum inoculation: Effect of soil organic matter content, number of rhizosphere bacteria and timing of inoculation. Soil Biol. Biochem., v. 20, n. 1, p. 45-49, 1988.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y.; HADAR, Y. Microbial inoculants as crop-yield enhancers. CRC Crit. Rev. Biotechnol., v.6, n.1, p.61-85, 1987.
Biblioteca(s): Embrapa Agrobiologia.

TAL, S.; OKON, Y. Production of the reserve material poly-B-hydroxybutyrate and its function in Azospirillum brasilence Cd. Canadian Journal of Microbiology, Ottawa, v. 31, p. 608-613, 1985.
Biblioteca(s): Embrapa Trigo.

MORGENSTERN, E.; OKON, Y. Promotion of plant growth and NO3- and Rb+ uptake in Sorghum bicolor x Sorghum sudanense inoculated with Azospirillum brasilense Cd. Soil Sci. Soc. Am. J., v.52, n.5, p.1343-1346, 1988. p.211-217.
Biblioteca(s): Embrapa Agrobiologia.

YAHALOM, E.; OKON, Y.; DOVRAT, A. Azospirillum effects on susceptibility to Rhizobium nodulation and on nitrogen fixation of several forage legumes. Canadian Journal of Microgiology, 33:510-514, 1987.
Biblioteca(s): Embrapa Soja.

YAHALOM, E.; OKON, Y.; DOVRAT, A. Azospirillum effects on suseptibility to Rhizobium nodulation and on nitrogen fixation of several forage legumes. Can. J. Microbiol., v.33, p.510-514, 1987.
Biblioteca(s): Embrapa Agrobiologia.

ZAADY, E.; OKON, Y.; PERVOLOTSKY, A. Azospirillum inoculation effects on the productivity of natural pasture in temperate and semi-arid regions of Israel. , v., p.-, 19.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; OKON, Y.; HENIS, Y. Changes in root morphology of wheat caused by Azospirillum inoculation. Can. J. Microbiol., v. 31, n. 10, p. 881-887, 1985.
Biblioteca(s): Embrapa Agrobiologia.

NUR, I.; OKON, Y.; HENIS, Y. Comparative studies of nitrogen-fixing bacteria associated with grasses in Israel with Azospirillum brasilense. Can. J. Microbiol., v.26, n.6, p.714-718, 1980.
Biblioteca(s): Embrapa Agrobiologia.

FALLIK, E.; OKON, Y.; FISCHER, M. The effect of Azospirillum brasilense inoculation on metabolic enzyme activity in maize root seedlings. Symbiosis, v.6, p.17-28, 1988.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; GAFNY, R.; OKON, Y. Effect of Azospirillum spp. inoculation on root development and NO3 uptake in wheat (Triticum aestevum cv. Miriam) in hydroponic systems. Can. J. Bot., v. 63, p. 627-631, 1985.
Biblioteca(s): Embrapa Agrobiologia.

BARAK, R.; NUR, I.; OKON, Y. Detection of chemotaxis in Azospirillum brasilense. J. Appl. Bacteriol., v. 54, p. 399-403, 1983.
Biblioteca(s): Embrapa Agrobiologia.

NUR, I.; OKON, Y.; HENIS, Y. An increase in nitrogen content of Setaria italica and Zea mays inoculated with Azospirillum. Can. J. Microbiol., v.26, p.482-485, 1980.
Biblioteca(s): Embrapa Agrobiologia.

SARIG, S.; BLUM, A.; OKON, Y. Improvement of the water status and yield of field-grown grain sorghum (Sorghum bicolor) by inoculation with Azospirillum brasilense. J. Agric. Sci., v.110, n.2, p.271-277, 1988.
Biblioteca(s): Embrapa Agrobiologia.

ZAADY, E.; OKON, Y.; PEREVOLOTSKY, A. Growth response of mediterranean herbaceous swards to inoculation with Azospirillum brasilense. J. Range Manag., v.47, n.1, p.12-15, 1994.
Biblioteca(s): Embrapa Agrobiologia.

TAL, S.; SMIRNOFF, P.; OKON, Y. The regulation of poly-B-hydroxybutyrate metabolism in Azospirillum brasilense during balanced growth and starvation. J. Gen. Microbiol., v. 136, n. 7, p. 1191-1196, 1990.
Biblioteca(s): Embrapa Agrobiologia.

NUR, I.; OKON, Y.; HENIS, Y. The role of oxygen concentration in the synthesis of carotenoids, poly-B-hydroxybutyrate and succinate oxidase in continuous culture of Azospirillum. Isr. J. Bot., v.31, n.1, p.221-227, 1982.
Biblioteca(s): Embrapa Agrobiologia.

YAHALOM, E.; OKON, Y.; DOVRAT, A. Possible mode of action of Azospirillum brasilense strain Cd on the root morphology and nodule formation in burr medic (Medicago polymorpha). Can. J. Microbiol., v. 36, n. 1, p. 10-14, 1990.
Biblioteca(s): Embrapa Agrobiologia.

TAL, S.; SMIRNOFF, P.; OKON, Y. Purification and characterization of D(-)-B-hydroxybutyrate dehydrogenase from Azospirillum brasilense Cd. J. Gen. Microbiol., v. 136, n. 4, p. 645-649, 1990.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; OKON, Y.; HENIS, Y. Yield response of spring wheat cultivars (Triticum aestivum and T. turgidum) to inoculation with Azospirillum brasilense under field conditions. Biol. Fertil. Soils, v. 4, n. 1, p. 27-35, 1987.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; OKON, Y.; HENIS, Y. Yield response of spring wheat cultivars (Triticum aestivum and T. turgidum) to inoculation with Azospirillum brasilense under field conditions. Biology and Fertility of Soils, v. 4, n. 1/2, p. 27-35, 1987.
Biblioteca(s): Embrapa Trigo.

KAPULNIK, Y.; OKON, Y.; HENIS, Y. Yield response of spring wheat cultivars (Triticum aestivum and T. turgidum) to inoculation with Azospirilum brasilense under field conditions. Biology and Fertility of Soils, v.4, n.1/2, p.27-35, 1987.
Biblioteca(s): Embrapa Pantanal.

BARAK, R.; NUR, I.; OKON, Y.; HENIS, Y. Aerotactic response of Azospirillum brasilense. J. Bacteriol., v.152, n.2, p.643-649, 1982.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y.; CAKMAKCI, L.; NUR, I.; CHET, I. Aerotaxis and chemotaxis of Azospirillum brasilense. Microb. Ecol., v.6, p.277-280, 1980.
Biblioteca(s): Embrapa Agrobiologia.

GAFNY, R.; OKON, Y.; KAPULNIK, Y.; FISCHER, M. Adsorption of Azospirillum brasilense to corn roots. Soil Biol. Biochem., v. 18, n. 1, p. 69-75, 1986.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; FELDMAN, M.; OKON, Y.; HENIS, Y. Contribution of nitrogen fixed by Azospirillum to the N nutrition of spring wheat in Israel. Soil Biol. Biochem., v. 17, n. 4, p. 509-515, 1985.
Biblioteca(s): Embrapa Agrobiologia.

FALLIK, E.; EPSTEIN, E.; GOLDMAN, A.; FISCHER, M.; OKON, Y. Identification and quantification of IAA and IBA in Azospirillum brasilense-inoculated maize roots. Soil Biol. Biochem., v. 21, n. 1, p. 147-153, 1989.
Biblioteca(s): Embrapa Agrobiologia.

CASSÁN, F. D.; OKON, Y.; CREUS, C. M. (ed.). Handbook of Azospirillum: technical issues and protocols. Heidelberg:Springer, 2015 514 p.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y.; ALBRECHT, S. L.; BURRIS, R. H. Factors affecting growth and nitrogen fixation of Spirillum lipoferum. J. Bacteriol., v.127, n.3, p.1248-1254, 1976.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y.; ALBRECHT, S. L.; BURRIS, R. H. Carbon and ammonia metabolism of Spirillum lipoferum. J. Bacteriol., v.128, n.2, p.592-597, 1976.
Biblioteca(s): Embrapa Agrobiologia.

NUR, I.; STEINITZ, Y. L.; OKON, Y.; HENIS, Y. Carotenoid composition and function in nitrogen-fixing bacteria of the genus Azospirillum. J. Gen. Microbiol., v.122, p.27-32, 1981.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; SARIG, S.; NUR, I.; OKON, Y. The effect of Azospirillum inoculation on growth and yield of corn. Isr. J. Bot., v.31, n.1, p.247-255, 1982.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; KIGEL, J.; OKON, Y.; NUR, I.; HENIS, Y. Effect of Azospirillum inoculation on some growth parameters and N-content of wheat, Sorghum and Panicum. Plant Soil, v.61, n.1, p.65-70, 1981.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; OKON, Y.; KIGEL, J.; NUR, I.; HENIS, Y. Effects of temperature, nitrogen fertilization, and plant age on nitrogen fixation by Setaria italica inoculated with Azospirillum brasilense (strain cd). Plant Physiol., v.68, n.2, p.340-343, 1981.
Biblioteca(s): Embrapa Agrobiologia.

ALBRECHT, S. L.; OKON, Y.; BURRIS, R. H. Effects of light and temperature on the association between Zea mays and Spirillum lipoferum. Plant Physiol., v.60, p.528-531, 1977.
Biblioteca(s): Embrapa Agrobiologia.

LIN, W.; OKON, Y.; HARDY, R. W. F. Enhanced mineral uptake by Zea mays and Sorghum bicolor roots inoculated with Azospirillum brasilense. Appl. Environ. Microbiol., v.45, n.6, p.1775-1779, 1983.
Biblioteca(s): Embrapa Agrobiologia.

COHEN, E.; OKON, Y.; KIGEL, J.; NUR, I.; HENIS, Y. Increase in dry weight and total nitrogen content in Zea mays and Setaria italica associated with nitrogen-fixing Azospirillum spp. Plant Physiol., v.66, p.746-749, 1980.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y.; HEYTLER, P. G.; HARDY, R. W. F. N2 fixation by Azospirillum brasilense and its incorporation into host Setaria italica. Appl. Environ. Microbiol., v. 46, n. 3, p. 694-697, 1983.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y.; ALBRECHT, S. L.; BURRIS, R. H. Methods for growing Spirillum lipoferum and for counting it in pure culture and in association with plants. Appl. Environ. Microbiol., v.33, n.1, p.85-88, 1977.
Biblioteca(s): Embrapa Agrobiologia.

ALBRECHT, S. L.; OKON, Y.; LONNQUIS, J.; BURRIS, R. H. Nitrogen-fixation by corn Azospirillum associations in a temeprate climate. Crop Sci., v.21, n.2, p.301-306, 1981.
Biblioteca(s): Embrapa Agrobiologia.

LUDDEN, P. W.; OKON, Y.; BURRIS, R. H. The nitrogenase system of Spirillum lipoferum. Biochem. J., v.173, n.3, p.1001-1003, 1978.
Biblioteca(s): Embrapa Agrobiologia.

SARIG, S.; KAPULNIK, Y.; NUR, I.; OKON, Y. Response of non-irrigated Sorghum bicolor to Azospirillum inoculation. Exp. Agric., v.20, p.59-66, 1984.
Biblioteca(s): Embrapa Agrobiologia.

BURRIS, R. H.; OKON, Y.; ALBRECHT, S. L. Properties and reactions of Spirillum lipoferum. Ecological Bulletin, v.26, p.353-363, 1978.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Pantanal.

BARAK, R.; NUR, I.; OKON, Y.; HENIS, Y. Tactic responses of Azospirillum brasilense towards oxygen and organic compounds. Isr. J. Bot., v.31, n.1, p.229-236, 1982.
Biblioteca(s): Embrapa Agrobiologia.

OKON, Y.; HOUCHINS, J. P.; ALBRECHT, S. L.; BURRIS, R. H. Growth of Spirillum lipoferum at constant partial pressures of oxygen, and the properties of its nitrogenase in cell free extracts. J. Gen. Microbiol., v. 98, p. 87-93, 1977.
Biblioteca(s): Embrapa Agrobiologia.

KAPULNIK, Y.; SARIG, S.; NUR, I.; OKON, Y.; KIGEL, J.; HENIS, Y. Yield increases in summer cereal crops in Israeli fields inoculated with Azospirillum. Expl. Agric., v.17, p.179-187, 1981.
Biblioteca(s): Embrapa Agrobiologia.