Boron (B) is essential for plant growth, but hazardous when present in excess. Hydrogen gas (H2) possesses antioxidant properties. Wang et al. investigate B-induced biological responses during rice (Oryza sativa) seed...
Tag - seed germination
botanyone
Reproductive traits affect the rescue of valuable and endangered multipurpose tropical trees
Conservation strategies are urgently needed for widely used tree species. Increasing numbers of species are threatened by overexploitation and their recovery might be poor due to low reproductive success and poor...
AoBPLANTS
Germination responses to pre-dispersal light and post-dispersal cues
Should seeds respond to their parents’ environments or their own? Leverett et al. hypothesize that germination would respond more strongly to a post-dispersal vegetative canopy than a pre-dispersal canopy, because a...
Seed dormancy changes of snowbed species under climate warming
Parental plant growth environment could alter the state of seed dormancy, affecting the timing of emergence and seedling survival. In the context of climate warming, Bernareggi et al. investigate the effects of pre- and...
Breaking dormancy in Persoonia longifolia endocarps
Germination of species with hard woody indehiscent endocarps has troubled seed scientists for many years. To understand how germination is regulated in such species Chia et al. show that the conditions required for...
Plant injury can reset the ageing clock in plants but only slightly alleviates senescence
Senescence is the process of losing fitness when growing old, and is shaped by the trade-off between maintenance and reproduction that makes reproduction more unsure with age. Injury to the plant body, however, provides...
Climate warming and recruitment success in glacier forelands
Glacier foreland plants are highly threatened by global warming. Regeneration from seeds on deglaciated terrain will be crucial for successful migration and survival of these species, and hence a better understanding of...
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.
Intra-population variation in physical dormancy
Differences at the individual plant level contributes to physical dormancy-breaking thresholds for five dormant shrub species from fire-prone vegetation
Sediment seed banks in freshwater sandstone rock pools
Results suggest that sediment seed banks may represent a significant driver of species persistence in these ecosystems.
Seed dormancy cycling in a halophytic shrub
Kalidium gracile has 3 life history traits to help ensure persistence at a site: polycarpic perennial life cycle, persistent seed bank and dormancy cycling.
Tumbleweed hedges its bets
A cold desert tumbleweed trades-off seed dispersal and dormancy.
AJ Cann
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.
The role of ROS in soybean seed germination
Reactive oxygen species (ROS), such as hydrogen peroxide (H2O2), can promote seed germination in a number of species but their role in soybean has not been fully determined. Ishibashi et al. use the anti-oxidant N...
