Abstract
Potato blackleg has been known in Roumania for more than 35 years, but has become increasingly serious in recent times. The disease is mainly restricted to the central and northern regions, which have a rainy climate with moderate temperatures. In areas where the climate is warm and dry, the disease appears only sporadically, and even then, its development is slow. The principal means of transmission of the disease from one year to another is by infected tubers, the causal organ does not persist long in unsterile soil.
Published Version
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