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Genetics of host plant resistance to barley yellow dwarf virus

By: Contributor(s): Material type: TextLanguage: En Publication details: 1990ISBN:
  • 968-6127-39
Subject(s): DDC classification:
  • 91-013878
 In: Burnett, P.A. (ed.). World perspectives on barley yellow dwarf. Mexico, DF (Mexico). CIMMYT. 1990. p. 368-38291-013878Summary: Host plant resistance (HPR) to barley yellow dwarf virus (BYDV), in various degrees, has been observed in barley (Hordeum vulgare L.), wheat (Triticum aestivum), triticale (X Triticosecale), oats (Avena sativa L.), rice (Oriza sativa), rye (Secale cereale), and maize (Zea mays L.). A major gene (Yd2) and a minor gene (yd1) were found in barley. Additional genes with minor HPR effects are suspected in barley. Major HPR genes have not been identified in wheat, triticale, or oats. We hypothesize that such genes exist, but detection is difficult because of the following factors: 1) polyploid species have homoeologous loci that may obscure single HPR gene effects; 2)
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Host plant resistance (HPR) to barley yellow dwarf virus (BYDV), in various degrees, has been observed in barley (Hordeum vulgare L.), wheat (Triticum aestivum), triticale (X Triticosecale), oats (Avena sativa L.), rice (Oriza sativa), rye (Secale cereale), and maize (Zea mays L.). A major gene (Yd2) and a minor gene (yd1) were found in barley. Additional genes with minor HPR effects are suspected in barley. Major HPR genes have not been identified in wheat, triticale, or oats. We hypothesize that such genes exist, but detection is difficult because of the following factors: 1) polyploid species have homoeologous loci that may obscure single HPR gene effects; 2)

English

World Perspectives on Barley Yellow Dwarf International Workshop. Udine (Italy). 6-11 Jul 1987 CIMMYT, Ap. 6-641, 06600 Mexico, D.F. - Mexico|COMOD

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