TY - JA AU - Parlevliet,J.E. AU - Kuiper,H.J. TI - Partial resistance of barley to leaf rust, Puccinia hordei, 4: effect of cultivar and development stage on infection frequency U1 - 77-215207 PY - 1977/// KW - Barley hordeum spp KW - Plant diseases KW - AGROVOC N1 - 10 ref.; Summary (En) T2 - Euphytica (Netherlands). (Jun 1977). v. 26(2) p. 249-255 ER -