Abstract
It was assumed, on the basis of earlier findings, that the Sativa-type lodicule coupled with other morphological characters is diagnostic of Avena sativa L. and that the Fatua-type lodicule is indicative of A. fatua L. or of F 1 hybrids between these two taxa. Almost all of many samples of putative fatuoids that were collected in fields of cultivated oats proved to have Sativa-type lodicules and thus definitely were not of hybrid origin. Using this method, fatuoids can be recognized even when the variety from which they are supposed to have arisen is unknown. The lodicules of many chromosome aberrants were stunted but still conserved their Sativa-type configuration. The few cases of putative fatuoids with Fatua-type lodicules were interpreted as F 1 hybrids of A. fatua by Fatuoid and others of A. fatua by A. sativa, depending on gross morphological characters as well. The possibility that as a result of hybrid status of a variety, genetic instability becomes a major factor causing occurrence of fatuoids has been considered.
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Claims 4
Claim · model-written summary
Almost all putative fatuoid samples collected in cultivated oat fields had Sativa-type lodicules and were not of hybrid origin.
- Taxon
- cultivated oats
Avena sativae0 - Material
- putative fatuoidse0
- Outcome
- Sativa-type lodiculese0
- Value
- Almost alle0
- Qualifier
- definitely were not of hybrid origine0
- Setting
- fields of cultivated oatse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Almost all of many samples of putative fatuoids that were collected in fields of cultivated oats proved to have Sativa-type lodicules and thus definitely were not of hybrid origin”
Claim · model-written summary
The few putative fatuoids with Fatua-type lodicules were interpreted as F 1 hybrids of A. fatua.
- Taxon
- cultivated oatsAvena sativae0
- Material
- putative fatuoids with Fatua-type lodiculese1
- Outcome
- interpreted as F 1 hybrids of A. fatuae1
- Value
- few casese1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Almost all of many samples of putative fatuoids that were collected in fields of cultivated oats proved to have Sativa-type lodicules and thus definitely were not of hybrid origin”
e1“The few cases of putative fatuoids with Fatua-type lodicules were interpreted as F 1 hybrids of A. fatua by Fatuoid and others of A. fatua by A. sativa, depending on gross morphological characters as well”
Claim · model-written summary
The lodicules of chromosome aberrants in oats were stunted but still conserved their Sativa-type configuration.
- Taxon
- cultivated oatsAvena sativae0
- Material
- chromosome aberrantse2
- Organ / stage
- lodiculese2
- Outcome
- lodiculese2
- Qualifier
- stunted but still conserved their Sativa-type configuratione2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Almost all of many samples of putative fatuoids that were collected in fields of cultivated oats proved to have Sativa-type lodicules and thus definitely were not of hybrid origin”
e2“The lodicules of many chromosome aberrants were stunted but still conserved their Sativa-type configuration”
Claim · model-written summary
Genetic instability resulting from hybrid status of a variety may be a major factor causing the occurrence of fatuoids in oats.
- Taxon
- cultivated oatsAvena sativae0
- Outcome
- occurrence of fatuoidse3
- Qualifier
- as a result of hybrid status of a variety, genetic instabilitye3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Almost all of many samples of putative fatuoids that were collected in fields of cultivated oats proved to have Sativa-type lodicules and thus definitely were not of hybrid origin”
e3“The possibility that as a result of hybrid status of a variety, genetic instability becomes a major factor causing occurrence of fatuoids has been considered”