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Methods for collecting ash (Fraxinus spp.) seeds

Author: Kathleen S Knight; Robert P Karrfalt; Mary E Mason; United States. Forest Service. Northern Research Station.
Publisher: Newtown Square, Pa. : United States Department of Agriculture, Forest Service, Northern Research Station, [2010]
Series: General technical report NRS, 55.
Edition/Format:   eBook : Document : National government publication : EnglishView all editions and formats
Summary:
The threat of emerald ash borer (Agrilus planipennis) has necessitated ash seed collection to preserve the ash genetic resource. For ash species found only in natural areas, we have developed seed collection methods that require no special training or certification. Collection techniques for natural areas include pole pruners for branches lower than 30 ft (9 m) and ropes or rope saws for higher branches. Seed  Read more...
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Additional Physical Format: Print version:
Knight, Kathleen S.
Methods for collecting ash (Fraxinus spp.) seeds
(OCoLC)703896160
Material Type: Document, Government publication, National government publication, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Kathleen S Knight; Robert P Karrfalt; Mary E Mason; United States. Forest Service. Northern Research Station.
OCLC Number: 703894675
Reproduction Notes: Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011. MiAaHDL
Description: 1 online resource (14 pages) : color illustrations.
Details: Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
Series Title: General technical report NRS, 55.
Responsibility: Kathleen S. Knight, Robert P. Karrfalt, Mary E. Mason.

Abstract:

The threat of emerald ash borer (Agrilus planipennis) has necessitated ash seed collection to preserve the ash genetic resource. For ash species found only in natural areas, we have developed seed collection methods that require no special training or certification. Collection techniques for natural areas include pole pruners for branches lower than 30 ft (9 m) and ropes or rope saws for higher branches. Seed collection must be timed correctly by examining samara color, seed coat color, and embryo size to be sure that seeds are fully mature. Documentation of seed identity and post-harvest handling of seeds are discussed.

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