Comparison of two wheat powdery mildew differential sets in seedling tests

Autor: G. Vida, L. Szunics, M. Gál, O. Veisz, Z. Bedő
Jazyk: angličtina
Rok vydání: 2002
Předmět:
Zdroj: Plant Protection Science, Vol 38, Iss SI 2 - 6th Conf EFPP, Pp 417-420 (2002)
Druh dokumentu: article
ISSN: 1212-2580
1805-9341
DOI: 10.17221/10510-PPS
Popis: Two wheat powdery mildew differential sets were tested in the seedling stage in the 2001/2002 season using 192 monoisolates. The data of genotypes carrying the same Pm gene in different genetic backgrounds were compared. Both varieties with gene Pm8 (Salzmünde14/44 and Disponent) were infected by all the isolates. Less than 10% of the isolates gave different responses on varieties with genes Pm2 and Pm3c (6 and 16, respectively). It is doubtful whether the degree of infection of genotypes carrying genes Pm1, Pm4b, Pm5, Pm6 or Pm7 can be compared, while it is completely impossible to compare the data for varieties from the old and new sets carrying genes Pm3a, Pm3b and Pm4a.
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