Ocena przydatności drożdży i fungicydów do ograniczenia rozwoju grzybów zasiedlających siewki sosny zwyczajnej

• Autorzy: Wachowska U. , Popielarczyk C. , Duba A. , Goriewa K. , Kucharska K.

Warianty tytułu

EN

Evaluation of the usefulness of yeast and chemical fungicides to reduce development of fungi colonizing Scots pine seedlings

• Języki publikacji: PL

Abstrakty

EN

In the nurseries, Scots pine seedlings that show symptoms of the damping−off usually die. Rhizoctonia solani, a rapidly growing fungus, is one of the pathogens that infect the roots of plants. The aims of this study were: (1) to evaluate the susceptibility of R. solani and saprotrophic fungi Mortierella elongata, Trichoderma hamatum and T. rossicum to fungicides, (2) to determine whether yeast isolates can be used as effective inhibitors of the pathogen's growth, and (3) to analyze phylogenetic relationships between filamentous fungi. The Switch 62.5 WG fungicide, containing cyprodinil and fludioxonil, most effectively suppressed the growth of the tested R. solani isolates, but also exerted ecotoxic effects on the analyzed saprotrophs. The R. solani RS 1 isolate did not respond to the presence of azoxystrobin in PDA. Most of the 13 yeast isolates tested in the study inhibited the growth of pathogen colonies, but only one isolate was characterized by inhibitory activity of 59.03% and exerted a strong antagonistic influence on the pathogen. A phylogenetic analysis revealed that the tested isolates represented three clades: 1) T. hamatum, 2) T. rossicum, and 3) R. solani. The phylogenetic tree of M. hamatum and T. rossicum showing their divergence due to mutations did not reflect their speciation.

Słowa kluczowe

PL

lesnictwo; szkolki lesne; sosna zwyczajna; Pinus sylvestris; siewki; grzyby mikroskopowe; Rhizoctonia solani; grzyby strzepkowe; Mortierella elongata; Trichoderma hamatum; Trichoderma rossicum; pokrewienstwo filogenetyczne; zwalczanie grzybow; drozdze; fungicydy; kolonie grzybow; ograniczanie wzrostu

• Wydawca: -
• Czasopismo: Sylwan
• Rocznik: 2016
• Tom: 160
• Numer: 07
• Opis fizyczny: s.556-563,rys.,tab.,bibliogr.

Twórcy

autor

Wachowska U.

• Katedra Entomologii, Fitopatologii i Diagnostyki Molekularnej, Uniwersytet Warmińsko-Mazurski, ul.Prawocheńskiego 17, 10-720 Olsztyn

autor

Popielarczyk C.

• Katedra Entomologii, Fitopatologii i Diagnostyki Molekularnej, Uniwersytet Warmińsko-Mazurski, ul.Prawocheńskiego 17, 10-720 Olsztyn

autor

Duba A.

• Katedra Entomologii, Fitopatologii i Diagnostyki Molekularnej, Uniwersytet Warmińsko-Mazurski, ul.Prawocheńskiego 17, 10-720 Olsztyn

autor

Goriewa K.

• Katedra Hodowli Roślin i Nasiennictwa, Uniwersytet Warmińsko-Mazurski, Plac Łódzki 3, 10-724 Olsztyn

autor

Kucharska K.

• Katedra Entomologii, Fitopatologii i Diagnostyki Molekularnej, Uniwersytet Warmińsko-Mazurski, ul.Prawocheńskiego 17, 10-720 Olsztyn

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