Tree Planters' Notes, 2025 anniversary
Tree Planters' Notes celebrates its 75th anniversary with some retrospectives from retired Forest Service nursery specialists. It also includes articles on restoring landscapes for private landowners through partnerships, how trees in the Pacific Northwest respond to different stock type sizes, creating an in-school nursery program for technical education, using social media to generate interest in planting and nurseries, and a simple strategy to protect seedlings from inclement weather.
#Reforestation, Nurseries, Genetic Resources, #Partnerships, #Genetics, #Education
Genetic Conservation - Seed Lot Instructions
INSTRUCTIONS FOR SUBMITTING SEEDS TO THE NATIONAL SEED LABORATORYPrinter Friendly Version (DOCX, 14.82 MB)How should seed lot data be submitted?Three formats are available for submitting data: Excel spreadsheet, Access database and a pdf form (electronic or hardcopy). GENDAT data can be used to populate the Excel spreadsheet using copy/paste. You may use whichever format you prefer. Paper copies…
#NationalSeedLaboratory, #Science, #Biology, #Seeds, #Genetics
Genetic Conservation - Five Needle Pine Conservation
Pinus flexilis-limber pine (Photo by R.A. Howard, USDA-NCRS Plants Database)
Five needle pines are pines whose needles are mostly in bundles of 5. They are also called white pines. The Flora of North America lists 9 species of five needle pines in North America. Except for Pinus strobus, eastern white pine…
#NationalSeedLaboratory, #Science, #Biology, #Seeds, #Genetics, #Conservation
Genetic Conservation - Ash Germplasm
An ash tree that has not been protected with insecticide (left) versus ash trees that have been protected (right). (Courtesy photo by Jeff Hafner)
IntroductionIn response to extensive tree mortality by the Emerald Ash Borer (EAB), ash seeds are being collected for long term storage to…
#NationalSeedLaboratory, #Science, #Biology, #Seeds, #Genetics
Resistance breeding: Emerging tool protects future forests against pests, pathogens
This fog chamber is used to inoculate seedlings with blister rust spores for resistance screening of five-needle pines. USDA Forest Service photo by Carrie Pike.
MARYLAND—Scientists with the USDA Forest Service and their state counterparts in Forest Health Protection are integrating…
#PlantPathogens, #Pests, #Genetics, #ForestHealthProtection
National Seed Laboratory - Genetic Conservation
USDA Forest Service photo.
Exotic diseases (sudden oak death, white pine blister rust and chestnut blight), insects (emerald ash borer and wooly adelgid), invasive weeds (cheat grass), fires and changing land use patterns threaten the existence of many native US trees and other native plants…