SUGAR BEET ROOT ROTS DURING VEGETATION PERIOD IN UKRAINE - Ecological Consequences of Increasing Crop Productivity - page 205

FIGURE 20.1 Sugar beet root damaged with Actinomices cretaceus Krassil.

In recent years, Actinomices cretaceus Krassil often appears on new roots as early
as in the middle of June, and later on under favourable condition progresses inten-
sively in July-August. Apart from Actinomices, damaged roots become settled with
different fungi (Figure 20.2).

FIGURE 20.2 Mycological analysis of roots with Actinomices cretaceus Krassil, %.

In the composition of detected fungi, the dominant were varieties of Fusarium
and Pythium , which under inevitable succession open the door for saccharolytic fungi
invasion that directly causes the decomposition of tissue.