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Effective Jan. 1, 2025, the U.S. National Plant Germplasm System will modify its SMTA acceptance policy to distinguish between propagative and non-propagative germplasm.
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USDA National Plant Germplasm System
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Descriptor:
Shoot Tip Hair Density (SHOOT_HAIR)
Download list of accessions evaluated for this trait
Definition:
Observation of the density of prostrate hairs on the tip of the young shoot.
Crop:
GRAPE-DAVIS
Category:
Morphological descriptors
Status:
Data Type:
Alpha/numeric descriptor
Maximum Length:
10
Responsible Site:
Natl. Germplasm Repository - Davis (
DAV
)
Studies or environments
GRAPE.CHAR.WEO.2002
142 Accessions
GRAPE.WEO.1992
360 Accessions
GRAPE.WEO.1993
361 Accessions
GRAPE.WEO.1994
25 Accessions
Distribution of Values for
Shoot Tip Hair Density (SHOOT_HAIR)
Code
Definition
Number of Accessions
1
None or very sparse
217
3
Sparse (scattered)
348
5
Medium
152
7
Dense (downy)
171
9
Very dense (felty)
33