Abstract
Seedlings of winter rye collected from yellowing patches during October to November 1985—1987 showed oospores of Pythium species in apparently healthy as well as in discolored roots. Examination of 1550 root pieces of rye on CMA yielded fungi belonging to 35 genera. The most commonly isolated ones were Fusarium spp, Penicillium spp, Mucor spp, Mortierella spp. and Cladosporium spp. Pythium spp. were isolated from 35 root pieces on CMA. Identified species were P. splendens, P. irregulare, P. dissimile, a species resembling P. aristosporum and a species resembling P. ultimum. In in vitro and in vivo, tests on the cereals winter rye, spring wheat, oats and barley the pathogenicity of some Pythium isolates varied from high (P. splendens, P. irregulare) to moderate (P. irregulare, P. dissimile) and low (a species resembling P. ultimum).
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Claims 8
Claim · model-written summary
Oospores of Pythium species were found in apparently healthy as well as discolored roots of winter rye seedlings from yellowing patches.
- Taxon
- winter rye
Secale cerealee1 - Outcome
- oospores of Pythium species in apparently healthy as well as in discolored rootse1
.jpg?width=60){kind=small}
PythiumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e1“Seedlings of winter rye collected from yellowing patches during October to November 1985—1987 showed oospores of Pythium species in apparently healthy as well as in discolored roots”
Claim · model-written summary
Examination of 1550 rye root pieces on CMA yielded fungi belonging to 35 genera.
- Taxon
- ryeSecale cerealee1
- Outcome
- fungi belonging to 35 generae1
- Value
- 35 generae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Examination of 1550 root pieces of rye on CMA yielded fungi belonging to 35 genera”
Claim · model-written summary
The most commonly isolated fungi were Fusarium, Penicillium, Mucor, Mortierella and Cladosporium species.
- Outcome
- most commonly isolatede1
Not reportedTaxon
Verbatim
e1“The most commonly isolated ones were Fusarium spp, Penicillium spp, Mucor spp, Mortierella spp. and Cladosporium spp.”
Claim · model-written summary
Pythium species were isolated from 35 root pieces on CMA.
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Pythium spp. were isolated from 35 root pieces on CMA”
Claim · model-written summary
The identified Pythium species were P. splendens, P. irregulare, P. dissimile, a species resembling P. aristosporum and a species resembling P. ultimum.
- Outcome
- Identified speciese1
Not reportedTaxon
Verbatim
e1“Identified species were P. splendens, P. irregulare, P. dissimile, a species resembling P. aristosporum and a species resembling P. ultimum”
Claim · model-written summary
Pathogenicity of P. splendens and P. irregulare isolates to the tested cereals was high.
- Taxon
- winter rye, spring wheat, oats and barley
Avena sativa.jpg?width=60)
Hordeum vulgareSecale cereale
Triticum aestivume2 - Interactor
- P. splendens
Globisporangium splendense1pathogen - Second interactor
- P. irregularee1pathogen
- Outcome
- pathogenicitye1
- Value
- highe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e1“the pathogenicity of some Pythium isolates varied from high (P. splendens, P. irregulare)”
e2“the cereals winter rye, spring wheat, oats and barley”
Claim · model-written summary
Pathogenicity of P. irregulare and P. dissimile isolates to the tested cereals was moderate.
- Taxon
- winter rye, spring wheat, oats and barleyAvena sativaHordeum vulgareSecale cerealeTriticum aestivume2
- Interactor
- P. irregularee1pathogen
- Second interactor
- P. dissimilePythium dissimilee1pathogen
- Outcome
- pathogenicitye1
- Value
- moderatee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“pathogenicity of some Pythium isolates varied from high (P. splendens, P. irregulare) to moderate (P. irregulare, P. dissimile)”
e2“the cereals winter rye, spring wheat, oats and barley”
Claim · model-written summary
Pathogenicity of the isolate resembling P. ultimum to the tested cereals was low.
- Taxon
- winter rye, spring wheat, oats and barleyAvena sativaHordeum vulgareSecale cerealeTriticum aestivume2
- Interactor
- a species resembling P. ultimume1pathogen
- Outcome
- pathogenicitye1
- Value
- lowe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“pathogenicity of some Pythium isolates varied from high (P. splendens, P. irregulare) to moderate (P. irregulare, P. dissimile) and low (a species resembling P. ultimum)”
e2“the cereals winter rye, spring wheat, oats and barley”