1980•Canadian Journal of Plant ScienceRequires access

SCREENING RYE CULTIVARS AND BREEDING LINES FOR RESISTANCE TO THE ROOT-LESION NEMATODE PRATYLENCHUS PENETRANS

Th. H. A. Olthof

Abstract

In greenhouse pot tests, 66 cultivars and breeding lines of rye (Secale cereale L.) were screened for resistance to the root-lesion nematode (Pratylenchus penetrans Cobb). Ten cultivars and breeding lines supported less reproduction of the nematode than did Tetra Petkus, the standard cultivar used in rotation with flue-cured tobacco in southwestern Ontario.

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Key concepts: Cultivar, Pratylenchus penetrans, Biology, Nematode, Agronomy, Secale, Pratylenchus, Nematology