[Further investigations on the resistance ofMedicago species toPseudopeziza medicaginis (Lib.) Sacc].
Experimental infections of 44 species and varieties ofMedicago with the f. sp.medicaginis sativae andmedicaginis lupulinae fromPseudopeziza medicaginis and withP. meliloti have broadened the knowledge on resistance behavior of the genusMedicago and confirmed earlier results.
Institut für Phytopathologie Aschersleben der Deutschen Akademie der Landwirtschaftswissenschaften, Berlin, Deutschland.
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