___

• Dobrev, D., 1970 Opportunities to create resistant
• varieties of barley brown loose smut
• (Ustilago nuda (Jens) Rostr.) By studying
• the specialization of parasites, Agricultural Science, 4, 46-49
• Dobrev, D., 1972, resistance to brown loose smut (Ustilago productivity of some barley varieties, Plannt Sciences, 9, 1, 119-125 And
• Dobrev, D. St.Navushtanov, 1974 Resistance of some barley varieties to three races established in our brown smut Ustilago nuda (Jens) Rostr., Scientific papers, p.4, Agricultural Academy; with. 167- 170
• Dobrev, D. St.Navushtanov, 1975 Resistance of some varieties of winter barley to established country physiological races of the brown smut, SAA, Plant Science, god.12, №1, str.129- 132.
• Dobrev, D., St.Navushtanov, 1976 New research on the racial composition of the cause of the brown loose smut in barley in Bulgaria, Plant Protection, 3 str.38- 43;
• Dobrev D., E.Gospodinova, St.Navushtanov, 1986 Resistance of some barley varieties to economically important diseases, Soil Science, Protection, god.XXІ, №5, 112- 118;
• Dobrev, D. 1987. Studies on the causes of economically important fungal diseases of barley in Bulgaria, Dissertation, C.
• Dobrev, D., S.. Navushtanov.1989. Composition and dynamics of physiological races of the cause of the brown loose smut in barley during the period 1968-1984, in Bulgaria, "Scientific Works of VSI" t.XXXV.
• Garkavyi P.F. Kirdoglo E.K., 1980, Guidelines for the study of immunity to barley loose smut and the selection of resistant varieties. Odessa, 28 p.
• Garkavyi, P.F., 1983, Objectives and methods of barley breeding for complex disease resistance. Breeding and semenovodstvo-. №12, s.2-5 Geshele, E.E., 1978, Fundamentals of phytopathological evaluation in plant breeding, Moscow, Kolos.
• Ishkova T.I., Berestetskaya L.I., Gasich E.L., Levitin M.M., Vlasov D.Yu. 2000. Diagnostic of the main diseases of cereals. Saint Petersburg: VIZR. 76 p. (In Russian)
• Krivchenko, VI, 1967, A new method for differentiating races of smut, Chisinau.
• Kadyrov, AM, 2002, Genetiko- phytopatological
• ASPECTS barley to improve productivity
• and sustainability to a complex of fungal diseases. Author's abstract dis.kand.s. agricultural Nauk.- Zhodino, p.22.
• Krivchenko VI 1984 Stability of grain to the agents of smut diseases, Moscow, Kolos.
• Kavanagh T., 1961, Temperature in relation to loose smut in barley and wheat.- Phytopath., v.51, К 3, p.175-177.
• Mitov, N., (1972). Specialization prahovita Chief of wheat and vzmozhnosti for szdavane on sustainable varietal, Abstract, Sofia.
• Mitov, N., D Dobrev, 1972, Physiologically Rasi on the causer on kafyavata prahovita Chief of echemika in Bulgaria, Plant science, №6, p. 117-123.
• Moseman J.G., Metcalfe D.R., 1969, Identification of resistance genes in barley by reactions to Ustilago nuda.- Can.J.Plant Sci., v.49, N4,p.447-451 Navuschanov, Art., 1989, iztochnitsi on sustainable km kafyava prahovita chief administrative / Ustilago nuda / when echemika. VSI- Plovdiv, scientific labor, t.HHHІV, kn.1.
• Navuschanov, Art., St.Zapryanov, 1990, Results from selektsiyata on sustainable km kafyava prahovita chief administrative / Ustilago nuda / when Zimen forage echemik, Rastenievdni Science, 9, 9-13.
• Navuschanov, Art., Hr.Gorastev, 1990, Results from selektsiyata on sustainable km kafyava prahovita chief administrative / Ustilago nuda / Winter at dvureden echemik, scientific trudove- IE-Karnobat, 82-86.
• Navuschanov, Art., 1991, Prouchvaniya vrhu Immunity km on three main Bolesta echemika. Methods and means for Borba, Habilitatsionen work Karnobat.
• Navuschanov, S., D. Valcheva, D. Valchev, 1997, is biological and stopanski Especially on winter dvureden echemik grade Perun, Rastenievdni Science, 1, 38-39.
• Poehlman J.M., 1945, A simple method of inoculating barley with loose smut.- Phytopath., v.35, И 8, p.640-644.
• Popova T.,D.Dimova, 2009. Reaction of some introduction winter barley lines to true loose smut (Ustilago nuda). Plant Science, 46, 140-143.
• Popova T., D.Valcheva, Dr.Vulchev, D.Dimova, Irfan Ozturk, 2010. Resistance of some two rowed barley varieties and lines to Loose smut Studies,vol.VІ, №1,p.133-138. Crops
• Popova T., D.Valcheva, 2012. Evaluation of barley samples from the introduction resistanse to Loose smut (Ustilago nuda), Scientific works of Institite of Agriculture-Karnobat, vol.1, №1, 61-69.
• Popova T., R.Todorova, 2007, Towards true Loose smut ( Ustilago nuda ) resistant Barley for Organic Farming, 9 Wissenschaftstagung Okologischer http://orgprints.org/ 9881 Landbau,
• Stepanovskikh, AS, 1990, Golovnivye disease of barley, 396 p.
• Shirokov A.Y, Paderin EV Virulence of pathogens and smut of barley breeding for resistance to them. In .: Variability of pathogenic microorganisms. - M ": Ear, 1983, s.113- 117.
• Tapke Y.P. Physiologic races of U.nuda and technique for their study.- Phytopath., 1955, v.45, И 2, p.73-79. Valcheva D., Dr.Vulchev, 2005. T.Popova, perspectives in winter malting barley breeding. conference,Breeding and Cultural practices of the crops, І, p.75-79. and scientific Zapryanov, ST., Todorov, St.Navushtanov,
• P.Atanasov, 1990. Exploring new genetic
• sources of barley introduction, Scientific
• papers of the Institute of barley, p. VII, 37- 41.