Results 31 to 40 of about 455 (164)
Background Apomixis, an asexual mode of plant reproduction, is a genetically heritable trait evolutionarily related to sexuality, which enables the fixation of heterozygous genetic combinations through the development of maternal seeds.
Maricel Podio +4 more
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Apospory in Pteris sulcata L. [PDF]
1. The gametophyte generation of Pteris sulcata L. is ordinarily produced by the germination of a spore. 2. The embryo sporophyte is of apogamous origin. 3. The gametophyte generation of Pteris sulcata under certain conditions was produced aposporously. 4.
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Gametophyte and sporophyte of tree ferns in vitro culture
Experiments had been carried out on gametophytes and very young fronds of sporophytes with application of Murashige and Skoog (1962) medium. The paper described the results of 15 years in vitro experiments on 16 species of tree ferns belonging to various
Katarzyna Goller, Jan J. Rybczyński
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ABSTRACT Although most plants produce all of their fruits (seeds) aboveground, amphicarpic species produce fruits (seeds) both above‐ and belowground. Our primary aims were to determine the number of reported amphicarpic species and their taxonomic, geographic, life form and phylogenetic distribution, to evaluate differences in the life history of ...
Keliang Zhang +5 more
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Embryological studies on Fragaria x ananassa Duch. after pollination by three species of Potentilla
Embryological studies were carried out after pollinating four female varieties of Fragaria ananassa Duch. (Freja, Sonja, Mieze Schindler, Reine des Precoce) with three species of Poteiatilla (P. geoides, P. rupestris, P. fruticosa).
Katarzyna Niemirowicz-Szczytt
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In Silico and Fluorescence In Situ Hybridization Mapping Reveals Collinearity between the Pennisetum squamulatum Apomixis Carrier-Chromosome and Chromosome 2 of Sorghum and Foxtail Millet. [PDF]
Apomixis, or clonal propagation through seed, is a trait identified within multiple species of the grass family (Poaceae). The genetic locus controlling apomixis in Pennisetum squamulatum (syn Cenchrus squamulatus) and Cenchrus ciliaris (syn Pennisetum ...
Sirjan Sapkota +7 more
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Studies in Apospory and Apogamy in Ferns [PDF]
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Farmer, J. Bretland, Digby, L.
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Apomixis in Anthoxanthum nitens and A. repens (Poaceae L.) in the Saratov region flora [PDF]
The article presents the results of cytoembryological analysis of four cenopopulations of two Anthoxanthum L. species from the fl ora of the Saratov region: A. nitens (Weber) Y.Schouten & Veldkamp and A. repens (Host) Veldkamp.
Kaybeleva, Elmira I. +1 more
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Embryo sac development in some representatives of the tribe Cynodonteae (Poaceae)
Chloris virgata Sw., Cynodon dactylon (L.) Pers., Harpochloa falx (L. f.) Kuntze, and Tragus berteronianus Schult. have a Polygonum type of embryo sac development.
A. Strydom, J. J. Spies
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