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Pathogenicity of Fusarium species in soybean

Patogenost Fusarum vrsta na soji

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2005
320.pdf (72.38Kb)
Authors
Jasnić, Stevan
Vidić, Miloš
Bagi, Ferenc
Đorđević, Vuk
article (publishedVersion)
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Abstract
The paper describes the symptoms of the Fusarium wilt and necrosis of root and lower stem of soybean, which include leaf chlorosis, wilt of the apical portion of the plant, necrosis of the root and lower stem, and wilting of the whole plant. The pods are often poorly developed. The seeds may be smaller and lighter in the weight and infected, as well. Isolated from diseased soybean plants were the species Fusarium avenaceum, F. equiseti, F. oxysporum and F. poae. Pathogenicity tests under artificial infection conditions showed F. oxysporum (isolate S/1) to be the most pathogenic among of the four investigated species. The other species proved much less pathogenic.
Fuzariozna uvelost, nekroza korena i prizemnog dela stabla soje pojedinih godina se javlja i u našoj zemlji u većoj ili manjoj meri. Ovo oboljenje se intenzivnije javlja u godinama sa toplim i suvim letima, pogodnim za razvoj uvelosti soje, prouzrokovane vrstama iz roda Fusarium. Iz uzoraka obolelih biljaka sa simptomima oboljenja su izolovane i determinisane vrste Fusarium avenaceum, F. equiseti, F. oxysporum i F. poae. U ogledima sa veštačkom inokulacijom soje najveću patogenost ispoljavao je izolat S/1 F. oxysporum. F. oxysporum (S/1) je značajno smanjio klijavost i nicanje biljaka soje, a povećao broj trulih zrna. Ostale vrste ispoljile su znatno slabiju patogenost. Problemu fuzariozne uvelosti, nekroze korena i prizemnog dela stabla soje trebalo bi posvetiti veću pažnju zbog mogućnosti uvećanja značaja ovog oboljenja usled sve češće pojave toplih i suvih leta, povoljnih za razvoj bolesti.
Keywords:
soybean / Fusarium avenaceum / F. equiseti / F. oxysporum / F. poae / pathogenicity
Source:
Zbornik Matice srpske za prirodne nauke, 2005, 109, 113-121
Publisher:
  • Matica srpska, Novi Sad

DOI: 10.2298/ZMSPN0519113J

ISSN: 0352-4906

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URI
http://fiver.ifvcns.rs/handle/123456789/323
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