National Seed Laboratory, Seed Testing
Tests offered are germination, purity, seed weight, moisture content, tetrazolium and excised embryo (for quick estimates of viability, and x-ray analysis of internal seed structures). Each year the FSNSL tests approximately 180 different species of seeds.Seed Test Request Sheet (PDF, 98 KB)Dickey John Tri-Grain Chart Dole Chart Dole Instructions Dear Customers:Thank you for using…
#NationalSeedLaboratory, #Science, #Seeds, #Genetics
National Seed Laboratory
USDA Forest Service photo.
Most native plants used for ecosystem conservation and restoration are propagated exclusively from seeds. Sufficient quantities of seeds are needed to restore and sustain native plant communities that are increasingly affected by invasive species, pest infestations…
#Science, #Biology, #NationalSeedLaboratory, #Seeds
Major Forest Insect and Disease Conditions in the United States: 2021
This annual report details impacts on forests from various insects and diseases. Compiled by Forest Health Protection staff, the report contains maps of damage (mortality and defoliation) and discusses recent trends in monitoring and management of forest pests.
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Moon trees splash down on Earth
Experts from the U.S. Navy, Air Force and Coast Guard practice Orion recovery techniques at NASA’s Johnson Space Center in Houston because Orion (and the moon tree seeds) will return to Earth by splashing into the Pacific Ocean. NASA photo by James Blair.
WASHINGTON, DC—Sunday, Dec. 11, tiny passengers on board the Orion Spacecraft will make a…
#Science, #Technology, #NASA, #MoonTrees
The Birds and the Bees
Pollen falling from a grass species. (Image © Jürgen Kottmann - stock.adobe.com)
Seed production for angiosperms begins with the flowering parts. Flowers must be pollinated in order to produce seeds and fruit.Self-PollinationSelf-pollinating species can reproduce even if animal pollinators are not present. However, reproduction through self-pollination reduces genetic diversity.The anther…
#Bees, #Pollination, #Pollinators, #Insects, #Science
A Perpetual Flow of Benefits: Wilderness Economic Values in an Evolving, Multicultural Society
The concept of wilderness evolves with time and changes in society. This report provides knowledge on societal and ecosystem benefits of wilderness areas, as well as suggests directions for continued research into how people understand and use those areas.