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1

Zdrowotność podstawy źdźbła pszenicy ozimej w zależności od sposobu nawożenia azotem i chemicznej regulacji zachwaszczenia

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Damszel M. M., Czajka W., Kosewska A., Laszczak-Dawid A.
Progress in Plant Protection
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2010
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tom 50
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nr 2
Integration of herbicide and fertilization treatments as well as search for effective fungicide preparations are of a particular importance in plant disease control. The aim of this three-year experiment w to assess the effect of herbicide treatments and methods of nitrogen application on the occurrence of root and foot rot caused by Gaeumannomyces graminis, Fusarium spp., Oculimacula spp., Rhizoctonia spp., and to determine frequency of fungi infesting the stem base. The results have demonstrated that soil nitrogen fertilization limited symptoms of take-all but favoured more intensive presentation of sharp eyespot. The symptoms of cereal and grass eyespot as well as those of take-all became more visible when nitrogen was applied to the soil than on leaves. A mixture of the herbicides Chwastox 300 SL and Starane 250 EC was the most effective in controlling sharp eyespot, while soil and foliar application were the most effective in controlling take-all. Granstar 75 WG, applied separately or in combination with the herbicides Starane 250 EC and Chwastox 300 SL, resulted in more pronounced symptoms of sharp eyespot and take-all.
2

Interakcje patogen (Fusarium) - antagonista (Trichoderma) w warunkach stresu herbicydowego

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Damszel M. M., Wachowska U., Kowalska E.
Progress in Plant Protection
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2009
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tom 49
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nr 2
3
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The effect of biological and chemical control agents on the health status of the very early potato cultivar Rosara

100%
Cwalina-Ambroziak B., Damszel M. M., Glosek-Sobieraj M.
Journal of Plant Protection Research
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2015
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tom 55
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nr 4
The external appearance and quality of table potatoes are determined, among other factors, by the health status of the plants during the growing season. Chemical control methods are often combined with biocontrol agents to effectively fight potato pathogens. Potatoes of the very early cultivar Rosara were grown in experimental plots. The plots were located in Tomaszkowo (NE Poland, 2007–2009). The experiment involved the following treatments: 1) biological control − mycorrhizal Glomus spp. inoculum was applied to the roots, − tubers were dressed and plants were sprayed with Polyversum three times during the growing season, 2) chemical control – at two-week intervals, plants were sprayed with the following fungicides: Infinito 687.5 SC and Tanos 50 WG, Valbon 72 WG and Tanos 50 WG. In the control treatment, potato plants were not protected against pathogens. During the growing season, the severity of late blight and early blight was evaluated on a nine-point scale. The composition of fungal communities colonising potato stems was analysed. The fungistatic properties of the fungicides used in the field experiment were evaluated in an in vitro test. The symptoms of infections caused by Phytophthora infestans and Alternaria spp. were significantly reduced in the treatment which used the integrated chemical and biological control. The least diverse fungal community was isolated from fungicide-treated plants. In the in vitro test, fungicides at all analysed concentrations inhibited the linear mycelial growth of selected pathogens.
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