Global 5-methylcytosine alterations in DNA during ageing of seeds
This study finds that DNA methylation and 5-methylcytosine play key roles in determining the ageing and viability of stored recalcitrant seeds.
annals-of-botany
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Diversity and relationships of Crocus sativus and its relatives
High levels of polymorphism exist within and between sexually reproducing Crocus species except 17 C. sativus accessions, where polymorphisms are absent.
Arabidopsis semi-dwarf root systems and gibberellin biosynthesis
Semi-dwarf phenotypes are not responsible for the observed diversity in the root system growth and architecture seen in Arabidopsis thaliana.
Evolution of reproductive isolation in Dendrobium
Evolutionary changes in reproductive compatibility is an important process contributing to the high levels of species diversity in Dendrobium.
Pollination of Specklinia by nectar feeding Drosophila
Aggregation pheromones released by the flowers of Specklinia orchids attract flies from the Drosophila genus for pollination.
Saprotrophic fungi and fully mycoheterotrophic orchids
This study identifies saprotrophic mycorrhizal fungi for seven mycoheterotrophic orchid species growing in four humid and warm subtropical forests in Taiwan
Mycorrhizal fungi and distribution of specialized orchids
The use of a widespread fungal operational taxonomic unit in P. deformis enables a broad distribution despite high mycorrhizal specificity.
Abscisic acid and seed development in a lady’s slipper orchid
Abscisic acid concentration and distribution during seed development of Cypripedium formosanum serves as the key inhibitor of germination.
Complexities of orchid seedling establishment (Viewpoint)
A better understanding of germination and seedling establishment is needed for the conservation of vulnerable or threatened orchid populations.
Polyphyletic relationships in Sorghum
Phylogenetic reconstruction techniques reveal evidence for a two-lineage polyphyletic ancestry of Sorghum within the larger Andropogoneae.
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