Plant Protect. Sci., 2002, 38(11):542-544 | DOI: 10.17221/10550-PPS

Maize resistance to Sugarcane mosaic virus

R. Pokorný, M. Porubová
1 Research Institute for Fodder Crops, Ltd., 664 41 Troubsko, Czech Republic
2 CEZEA - Breeding Station, JSC., 696 14 Čejč, Czech Republic

Under greenhouse conditions 12 maize hybrids derived from crosses of four resistant lines with several lines of different level of susceptibility were evaluated for resistance to Czech isolate of Sugarcane mosaic virus (SCMV). These hybrids were not fully resistant to isolate of SCMV, but the symptoms on their newly growing leaves usually developed 1 to 3 weeks later in comparison with particular susceptible line, the course of infection was significantly slower and rate of infection lower. As for mechanisms of resistance, the presence of SCMV was detected by ELISA in inoculated leaves both of resistant and susceptible lines, but virus was detected 7 days later in resistant line. Systemic infection developed only in susceptible lines. These results indicate restriction of viral long distance movement in the resistant line.

Keywords: Sugarcane mosaic virus; Zea mays L.; resistance; mechanisms

Published: December 31, 2002  Show citation

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Pokorný R, Porubová M. Maize resistance to Sugarcane mosaic virus. Plant Protect. Sci. 2002;38(SI 2 - 6th Conf EFPP):542-544. doi: 10.17221/10550-PPS.
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