1935
DOI: 10.1007/bf01910989
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Über die Fortpelanzungsverhältnisse der Gattung Potentilla

Abstract: Das Vorhandensein yon hybriden Formen in der freien Natur ist ein klarer Beweis, dab einige Artender Gattung Potentilla sich geschlechtlieh fortpflanzen. Schon FOCKE (1881) bemerkte, dab eine kfinstliehe Kreuzung der Arten dieser Gattung sehr schwer erreiehbar sei und in den meisten F~llen fehlsehlage. Die yon JOttANSSON (1905) beobachtete Konstanz der Nachkommenschaft einiger in der Natur vorkommender hybrider Formen kann als Beweis fiir das Vorhandensein yon apomiktischer Fortpflanzung dieser Gattung gelten… Show more

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Cited by 25 publications
(4 citation statements)
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“…Apomixis was suggested for P. aurea (Shimotomai, ; Shimotomai, ) and Drymocallis arguta (Pursh) Rydb. (Popoff, ) based on crossing experiments, whereas regular sexuality was suggested by FCSS (present study; Dobeš et al ., ). Although progeny tests and controlled pollination are a valid approach (Czapik, ), false results may be obtained because of pollen dependence of the realized reproductive mode (Müntzing & Müntzing, ; Rutishauser, ; Rutishauser, ), unintended self‐pollination (Schwendener, ) or the dominance of maternal markers (Nosrati et al ., ).…”
Section: Discussionmentioning
confidence: 48%
See 1 more Smart Citation
“…Apomixis was suggested for P. aurea (Shimotomai, ; Shimotomai, ) and Drymocallis arguta (Pursh) Rydb. (Popoff, ) based on crossing experiments, whereas regular sexuality was suggested by FCSS (present study; Dobeš et al ., ). Although progeny tests and controlled pollination are a valid approach (Czapik, ), false results may be obtained because of pollen dependence of the realized reproductive mode (Müntzing & Müntzing, ; Rutishauser, ; Rutishauser, ), unintended self‐pollination (Schwendener, ) or the dominance of maternal markers (Nosrati et al ., ).…”
Section: Discussionmentioning
confidence: 48%
“…Alternatively, taxonomic misidentification may explain the discrepancies. The cases of P. aurea and D. arguta are particularly critical because both species are diploid (Popoff, ; Dobeš & Vitek, ), a condition not considered to occur in association with apomixis in Potentilleae (Holm & Ghatnekar, ; Holm, Ghatnekar & Bengtsson, ).…”
Section: Discussionmentioning
confidence: 99%
“…The chromosome pairing is normal in interracial hybrids of P. glandulosa,12 and an interspecific hybrid was fertile. 27 Forms of Potentilla arguta Pursh are considered to be the immediate ancestors of P. glandulosa. On the North American continent, arguta is probably the oldest species of the Drymocallis complex.…”
Section: Genetic Structure Of Wild Racesmentioning
confidence: 99%
“…Bisher sind unter den agamogonischen Pflanzen A h u s rugosa ( WOODWORTH, 19301, Potentilla spp. (MUNTZING, 1928, 1931POPOFF, 1935;RUTISHAUSER, 1943) und Hieracium umhellatum (GENTSCHEFF, 1941 ) ( ? ) (SCHRADER, 1925).…”
unclassified