annals-of-botany
Decoupled variation in floral and vegetative traits
In flowering plants with specialized pollination, a tight fit is expected between floral and pollinator morphologies, and variation in flower size is likely to be maladaptive
annals-of-botany
para-Aminobenzoic acid elicits induced resistance against pathogens
para-Aminobenzoic acid has potential as a water-soluble and safe application for crop protection under field conditions.
annals-of-botany
Biological nitrogen fixation in non-legume plants
A review of current knowledge concerning associations between nitrogen-fixing bacteria and non-legumes, with an emphasis on recent advances.
annals-of-botany
Time and temperature wait for no seed
Thermal quantification of physical dormancy-break in Geranium.
annals-of-botany
Peroxidase allows germination of proanthocyanidin-deficient arabidopsis seeds
A comparison of wild-type Arabidopsis thaliana and PA-deficient mutants finds that peroxidase activity is significantly over-activated in mutant seeds.
annals-of-botany
Plant hormones in arbuscular mycorrhizal symbioses (Research in Context)
Although >80% of species form arbuscular mycorrhizal symbioses, the roles of plant hormones in the associations are still being determined. Foo et al. critically review
annals-of-botany
More boys than girls
Sex-based differences in reproductive costs & non-equilibrium conditions both play important roles in affecting flowering sex ratios in angiosperm species.
annals-of-botany
How do you make a flower? Who cares? Hummingbirds.
El Ottra et al. conclude that the degree and diversity of fusions of floral organs in Galipeinae is unique within the order Sapindales.
annals-of-botany
Shade-avoidance syndrome in Arabidopis thaliana
This study finds that the ERECTA gene is implicated in the shade-avoidance signalling in a background-dependent manner.
annals-of-botany
Conservative shoot P content under varying supply
The Australian legume Viminaria juncea forms both cluster roots and mycorrhizal associations. de Campos et al. manipulate P supply over a range of 0 to 50
annals-of-botany
Flowering time control by miR159 in gloxinia
Gloxinia (Sinningia speciosa) is a popular ornamental plant with attractive, colourful flowers, but the genetic mechanisms that regulate flowering are largely unknown. Li et al. generate
annals-of-botany
Maternal cuticle protects moss offspring from dehydration
Funaria hygrometrica calyptra may represent the earliest occurrence of maternal protection via structural provisioning of a cuticle in green plants.