New hypothesis proposed on why some seeds are hard
Hard seeds are prevented from germinating by a water-impermeable seed coat, and for many years this has been considered to be a dormancy mechanism. Scientists from Kew, the University of Bergen and the University ...
Reliably higher levels of healthy compound in Beneforte broccoli
Field trials and genetic studies have shown that a new variety of broccoli reliably yields higher levels of a health-promoting compound.
Perks of parasitic plants revealed
Parasitic plants, sworn enemy of many a farmer, can carry surprising benefits for wildlife, according to new research.
A tale of two fungi
(Phys.org) —In the February issue of New Phytologist, Tulane University biologists examine why leaf-cutting ants target some plants and avoid others, concluding that high levels of friendly fungi in the ...
Certain Australian native flowers have evolved their flower colour to red hues favoured by birds
(Phys.org)—In a study just published in New Phytologist, researchers from RMIT and Monash universities have shown for the first time that Australian native flowers exclusively pollinated by birds have e ...
Ancient wood from La Brea tar pits shows how trees respond to long-term carbon dioxide change
(Phys.org)—Say "La Brea Tar pits," and most people imagine the saber-tooth cats and woolly mammoths that were trapped on sticky asphalt (now in modern-day Los Angeles), only to have their bones preserved for the ages. But ...
Wetland trees a significant overlooked source of methane, study finds
Wetlands are a well-established and prolific source of atmospheric methane. Yet despite an abundance of seething swamps and flooded forests in the tropics, ground-based measurements of methane have fallen well short of the ...
Do Australia's giant fire-dependent trees belong in the rainforest?
Australia's giant eucalyptus trees are the tallest flowering plants on earth, yet their unique relationship with fire makes them a huge puzzle for ecologists. Now the first global assessment of these giants, published in ...
Pollution makes carnivorous plants go vegetarian
How drought-tolerant grasses came to be