![]() ![]() 1989 Rotem 1994 Firman and Allen 1995 Loria 2001 Meyer et al. Several complex studies on the biology of pathogens and the influence of environmental factors on soil-borne diseases have previously been published (e.g. 2009) and causes annual losses exceeding one billion EUR in the European Union and several billion US dollars worldwide (Haverkort et al. 2001) together with late blight ( Phytophthora infestans (Mont.) de Bary), which is the most important pathogen of potatoes worldwide (Haas et al. They have primarily a negative influence on the market quality of tubers (Errampalli et al. Frank) Donk) are soil-borne diseases of potato. The application of any safe fungicide is important, especially in years similar to 2015, which was the most devastating recent year for potato production in terms of structural changes in yield of tubers.Ĭommon scab ( Streptomyces scabiei Thaxter), silver scurf ( Helminthosporium solani Durieu and Mont.) and black scurf ( Rhizoctonia solani Khün (teleomorph Thanatephorus cucumeris (A. All fungicides were ineffective on black scurf yet had a positive influence on the potato yield and quality, with the choice of fungicide having a great impact on the quality of tubers. c.), while it was suppressed by Revus Top and Revus (85% of n. The occurrence of silver scurf was significantly enhanced by Curzate Gold and Consento (105% of n. was observed with the use of Acrobat MZ WG, Curzate Gold and Consento. ![]() under the effect of copper oxychloride, while an average reduction by 19% of n. The incidence of common scab increased by 65% of n. c.), the application of Infinito, Ranman Top and Revus Top reduced the quantity of tubers infected by late blight by 72% on average. ![]() In comparison to the negative control (n. Significant differences were found among the fungicides used. Eight tuber disease indicators and eight yield characteristics were then evaluated in harvested tuber samples. In the period of 2013 to 2017, the fungicides were equally applied six times in registered doses during the growing seasons. Deriving from this hypothesis, an experiment was designed to evaluate the efficacy of foliar application of twelve fungicides on late blight in tubers, common scab, black scurf and silver scurf. Adequate integrated management of potato leaf diseases can have an influence on pathogens which are challenging to control and cause main potato tuber diseases. ![]()
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