Reacția unor linii de tomate la izolatele fungului Alternaria alternata

The paper presents the results of the appreciation of some tomato lines based on the resistance to the fungal pathogen Alternaria alternata. Culture filtrates (CF) of pathogen in the most cases did not significantly influence for the seed germination. A more obvious impact was manifested in the case of the root and the stem, the deviations from the control constituting -38.2…. -69.6% for the root and -40.7… -72.6% - for the stem. It was found that the greatest importance in the reaction to A. alternata isolates for seed germination had the genotypic factor, and for root and stem growth - the isolation factor - 95.7-91.0%.