Effectiveness of some means using against root rot on parsley seedling root

The results of a two-year study concern the effectiveness of 4 substances--biopreparate Chitosol (beta-1,4 D-glucosamine polymer) and fungicides: Rovral Flo 255 SC (BAS iprodione 255 g/dm3), Sportak Alpha 380 EC (BAS prochloraz 0,300 dm3/dm3 and carbendazim 80 g/dm3) and Zaprawa Funaben T (carbendazim 20% + tiuram 45%)--used against root rot and plant rot was described. These experiments were conducted in glasshouse and field conditions. Root of parsley cultivar Berlińska were treated one of tested substances autumn before storage period in clamp or spring immediately before planting seedling roots. The results showed that autumn dressing was ineffective, indices of root infestation were similar in each combination including control in both years of observation. Spring dressing was better, but not only in controls were many parsley plants decaying in the fields. Among substances used for spring dressing of seedling roots, the best efficacy exhibited Zaprawa Funaben T and Sportak Alpha 380 EC.