Abstract
Saprophytic mycelium of the rust fungus Melampsora lini (Ehrenb.) Lév., race 3, invaded the wounded ends of detached cotyledons of Bison variety flax placed on suitable agar media. A normal parasitic relationship was established within 4 weeks, as shown by the presence of numerous haustoria. The rust mycelium invaded intercellular spaces in the cotyledons as well as in well-established adventitious roots. Uredosori formed mainly on thickened parts of the cotyledons, adjacent to callus tissue. Nuclei in uredospores were difficult to observe but in general there seemed to be two per spore. Teliosori formed infrequently under the conditions used but in some cultures they did develop on the cotyledons and on the oldest parts of adventitious roots. Teliospores were uninucleate.
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Claims 7
Claim · model-written summary
Rust mycelium invaded wounded flax cotyledon ends.
- Taxon
- flax
Linum usitatissimume0 - Material
- Bisone0
- Organ / stage
- detached cotyledonse0
- Interactor
- Melampsora lini
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Melampsora linie0pathogen - Outcome
- invaded the wounded endse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“Saprophytic mycelium of the rust fungus Melampsora lini (Ehrenb.) Lév., race 3, invaded the wounded ends of detached cotyledons of Bison variety flax”
Claim · model-written summary
Numerous haustoria indicated parasitism within four weeks.
- Taxon
- flax cotyledonst0
- Interactor
- Melampsora liniMelampsora linie1pathogene0
- Outcome
- normal parasitic relationshipe0
- Value
- 4 weekse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A normal parasitic relationship was established within 4 weeks, as shown by the presence of numerous haustoria.”
e1“Saprophytic mycelium of the rust fungus Melampsora lini (Ehrenb.) Lév., race 3, invaded the wounded ends of detached cotyledons of Bison variety flax”
t0“flax cotyledons”
Claim · model-written summary
Rust mycelium invaded cotyledon intercellular spaces and adventitious roots.
Verbatim
e0“The rust mycelium invaded intercellular spaces in the cotyledons as well as in well-established adventitious roots.”
t0“flax cotyledons”
Claim · model-written summary
Uredosori formed mainly on thickened cotyledon parts by callus.
Verbatim
e0“Uredosori formed mainly on thickened parts of the cotyledons, adjacent to callus tissue.”
t0“flax cotyledons”
Claim · model-written summary
Uredospores generally seemed to have two nuclei, though hard to observe.
Verbatim
e0“Nuclei in uredospores were difficult to observe but in general there seemed to be two per spore.”
t0“flax cotyledons”
Claim · model-written summary
Teliosori formed infrequently, sometimes on cotyledons and older adventitious roots.
Verbatim
e0“Teliosori formed infrequently under the conditions used but in some cultures they did develop on the cotyledons and on the oldest parts of adventitious roots.”
t0“flax cotyledons”
Claim · model-written summary
Teliospores had one nucleus.
Verbatim
e0“Teliospores were uninucleate.”
t0“flax cotyledons”