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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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2.3.12
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Descriptor:
Spike Density (SPIKEDENS)
Download list of accessions evaluated for this trait
Definition:
Visual measure of spike density.
Crop:
BARLEY
Category:
Morphological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
National Small Grains Collection (
NSGC
)
Studies or environments
BARLEY.AGRON.ABERDEEN.23
997 Accessions
BARLEY.AGRON.ABERDEEN.24
45 Accessions
BARLEY.AGRON.ABERDEEN.25
473 Accessions
BARLEY.AGRON.PARLIER.23
905 Accessions
BARLEY.AGRON.PARLIER.25
275 Accessions
BARLEY.AGRON.PARLIER.26
104 Accessions
BARLEY.LAB.ABERDEEN.19
15934 Accessions
Distribution of Values for
Spike Density (SPIKEDENS)
Code
Definition
Number of Accessions
1
LAX (RACHIS INTERNODE LENGTH = OR > 4 MM.)
6800
5
INTERMEDIATE
8743
9
DENSE (RACHIS INTERNODE LENGTH < OR = 2 MM.)
3944