Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
The field experiment was conducted in The Plant Breeding and Acclimatization Institute – National Research Institute, Bydgoszcz Division. in three seasons in 2021/2022, 2022/2023 and 2023/2024. The aim of the experiment was to evaluate in the field the impact of potato pest of 9 edible and 7 starch potato cultivars to infection by the potato rot nematode (Ditylenchus destructor Thorne). Seed potatoes were infected with nematodes and grown conventionally in field conditions. The control consisted of seed potatoes not infected with nematodes. After harvesting, the following assessments were carried out: quantitative assessment of the yield and two external infections of the daughter tubers by the potato rot nematode (in autumn and spring). Tubers of all tested cultivars were infected and had worse quantitative parameters compared to the control. After winter storage of tubers, the extent of infection increased for all tested cultivars. Edible cultivars were more susceptible to nematode infection than starch cultivars. Among the edible cultivars, the least susceptible to the potato rot was the Lavender cultivar, and among the starch cultivars – Pokusa. The most infected cultivars were Otolia (edible) and Zuzanna (starch).
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