Septorioza pomidora. IV. Zimowanie grzyba Septoria lycopersici Speg. i ?ywotno?? jego zarodników [Septoria leaf spot of tomato. IV. Wintering of Septoria lycopersici Speg. and vitality of its pycnospores]

摘要

The experiment has showed that Septoria lycopersici is able to overwinter as pycnospores being only in pycnidia on diseased leaves and stems of tomato. The fungus can remain alive on plant debris left on surface of soil as well as on covered plant debris. The period of pycnospores vitality in plant debris was also studied.