(Anderson et al., 1971)
Srmq2 (Berg et al., 1963).
2B (Anderson et al., 1971); 2BS (Williams and Maan, 1973).
Low Infection Type
1- to 1+ (Roelfs and McVey, 1979), 2C (Huerta-Espino, 1992).
Common wheat cv. Marquis. Other sources of Sr19 have not been identified.
Most collections of P. graminis f. sp tritici are virulent (Roelfs and McVey, 1979; Luig, 1983). Huerta-Espino (1992) recorded two cultures producing IT 2C on lines with Sr19. One of these was collected in the Malagasy Republic and the other in Chile.
v: Mq-B (Anderson et al., 1971). Marquis Sr7b Sr18 Sr20 (Anderson et al., 1971).
Use in Agriculture