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…
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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…
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Tree Planters' Notes, fall 2024
This biannual publication provides information about nurseries and nursery production, including seed sourcing, seedling care, and transplanting seedlings for reforestation and related activities. The fall 2024 issue includes a look at a black walnut tree farm in Vermont 30 years after planting, cold storage effects on big sagebrush, how color-coating seeds improves nursery productions, and using Ellepots instead of Styroblocks at Pacific Northwest Nurseries. Finally, it includes the annual nursery seedling production report.
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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…
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National Seed Laboratory - Frequently Asked Questions
We have compiled some of the most frequently asked questions with their answers below. If you need more information that what is posted here, please feel free to contact us for more specific information.How should I package seed to be sent to the National Seed Lab?How much seed do I need to send?How long does it take to test tree seed?How do I pay for seed tests?Does the NSL accept…
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National Seed Laboratory - Training & Technology Transfer
Seed Collection Workshop
USDA Forest Service photo.
If you have these questions or similar ones, this workshop is for you.When should I collect seeds?What do I collect?How should I gather the seeds?How do I know if I collected viable seeds?How many seeds should I collect?Where should I collect my seeds?How…