Studies on the Rust-Resistance of cereals. V Susceptibility of various species of Triticum and its related genera to the yellow rust of wheat Puccinia glumarum 31

Abstract

Seedlings of 51 varieties or strains of 16 species of Triticum, 41 strains of 19 species of Aegilaps and 2 selec:tions of interspecific hybrids, 33 varie ties oir strains of 9 species of Hordeum, 12 varie ties or strains of 10 species of Agropyran' 6 varie ties or straihS of 5 species of, Elymus, one strainof Avena sativa, one strain of Haynaldia villosa, one strain of Lolium relnotum, 5 selections of Aegilolricum, 2 selections of Agro.tricum and 16 strains of 16 species of Bromus with Puccinia glun'carwa ERIKS. et HENN. 31 (Race 31). The ex, per, imental results are summarized as fcllows :