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Tetraploid (2n = 4x = 40) races of Paspalum notatum Flüggé are important natural forage grasses for the tropical and subtropical areas of the Americas. Almost all natural accessions reproduce by obligate aposporous apomixis. Previous work on the species allowed the identification of several molecular markers completely linked to apospory, one component of apomictic reproduction. Moreover, after a...
Rapid sequence rearrangements along with alterations in cytosine-directed methylation patterns follow allopolyploid formation in several plant species. The occurrence of similar changes is yet to be examined in detail during the generation of autopolyploids. The objective of this work was to investigate the presence of nascent variation in genome sequence after autopolyploidization in two Paspalum...
Soybean cultivars carrying the `long juvenile trait' show a delayed flowering response under short day conditions. The incorporation of this character into genotypes of agronomic interest may allow a broader range of sowing dates and latitudes for a single cultivar adaptation. The objective of this work was to identify molecular markers linked to the juvenile locus in soybean. Experiments were carried...
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