INOCULUM LEVELS of PERONOSCLEROSPORA SORGHI in RELATION TO MAIZE DOWNY MILDEW DISESE OUTBREAK. | ||
| Journal of Plant Production | ||
| Article 3, Volume 26, Issue 11, November 2001, Pages 6825-6833 PDF (453.68 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jpp.2001.257992 | ||
| Authors | ||
| M. R. Rasmy,; M. M. Saleh; A. M. Abdel-Monem; Mona M. S. Nour El- Din | ||
| Plant Pathology Res.Inst.,ARC,Giza, Egypt. | ||
| Abstract | ||
| Recently, downy mildew of maize caused by Peronosclerospora sorghi causes serious losses in maize seed production in Egypt. The downy mildew incitant was detected in seed samples in a various range of infection levels. The obtained results suggest that approxemitely 60% of the infected maize seeds will give rise to infected plants when mature. The correlation of seed infection level /disease development was eight / five. Seed dressing decreased disease seed transmission by about 75%. Fungicidal seed treatment when applied by the solvent infusion method resulted in satisfactory control and reduced disease to about 10% . | ||
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