Latvian growers detect new potato parasite

The pale potato cyst nematode (Globoder pallida) has been identified in a Zemgale potato farm. Potato cyst nematodes can cause significant damage to potatoes in warm, moderate, and cold climate regions. High concentrations of nematodes in the soil can lead to a decrease in yields of up to 80%. The main pathways of spreading nematodes are contaminated seed potatoes and soil stuck to agricultural vehicles and tools when operating in the infected field. Natural distribution is minimal.

Phytosanitary measures have been established for the infected field: a ban on the cultivation of seed potatoes for six years, the cleaning of agricultural tools every time after use, and in those areas where it is possible to eliminate the risk of spreading, the cultivation of plants resistant to pale cyst nematodes.

In Latvia, another species of nematode, the golden nematode (Globoder rostochiensis), was identified previously. Both nematodes have been distributed worldwide and have also been identified in Europe (Germany, the Netherlands, Estonia and elsewhere).


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