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Variation in Reaction of Faba Bean Lines to Different Accessions of Orobanche crenata Forsk. |
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| Authors: | M S Radwan M M F Abdalla G Fischbeck A A Metwally D S Darwish |
| Institution: | Prof. Dr. M. S. Radwan;, Prof. Dr. M. M. F. Abdalla, Dr. A. A. Metwally, Dr. D. S. Darwish, Agronomy Dept., Fac. Agric., Cairo Univ. Giza (Egypt) Prof. Dr, Dr. h. c. G. Fischbeck;, Lehrstuhl für Pflanzenbau und Pflanzenzüchtung, T.U. München, D-8050 Freising-Weihenstephan (Germany, F.R.) |
| Abstract: | Three pot experiments were earned our to investigate the variation among geographic accessions of Orobanche crenata Forsk. in their ability to attack different stocks of Vicia faba L. Orobanche accessions were quite different in their influence on the performance of genetic lines of the host. However, host parasite relationships appeared to be dependent upon environmental conditions. The usefulness or host genotypes for differentiating between parasite accessions was rather limited. The number of Orobanche shoots per host plant does not appear 10 be a precise indicator of host tolerance although it has been frequently used for this purpose. |
| Keywords: | Vicia faba Orobanche crenata geographic accessions of broomrape relative parasitism index (RPI) tolerance reactions |