Abstract
Two hundred and seventy cereal species and cultivars (wheat, barley, oats, rye, and Triticales), were field tested for resistance to the cereal cyst nematode (Heterodera avenae Woll.) in Victoria. Tests were made in the Wimmera District at Natimuk (1952-1954) and in the Mallee District at Walpeup (1953), and Sea Lake (1966-1969). Some species and cultivars were tested at all sites, but most were tested at one site only. All wheats tested were susceptible or very susceptible, and all Triticales were susceptible. Two barley cultivars, Morocco and Marocaine 079 were resistant, and two others were moderately resistant. The oat species, Avena sterilis and A. strigosa were resistant and fifteen cultivars of A. sativa were moderately resistant. Rye, CV. South Australian, possesses a high degree of resistance in contrast to European ryes.
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