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United States Department of Agriculture
Agricultural Research Service
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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:
Spike Type (SPIKETYPE)
Download list of accessions evaluated for this trait
Definition:
Shape characteristic of typical mature spikes.
Crop:
WHEAT-INTERGENERIC
Category:
Morphological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
3
Responsible Site:
National Small Grains Collection (
NSGC
)
Studies or environments
WHEAT.AGRON.ABERDEEN.14
5 Accessions
WHEAT.AGRON.ABERDEEN.23
35 Accessions
WHEAT.AGRON.PARLIER.15
13 Accessions
WHEAT-INT.AGRON.ABERDEEN.24
1 Accessions
WHEAT-INT.AGRON.ABERDEEN.25
209 Accessions
WHEAT-INT.AGRON.PARLIER.25
5 Accessions
WHEAT-INT.AGRON.PARLIER.26
6 Accessions
Distribution of Values for
Spike Type (SPIKETYPE)
Code
Definition
Number of Accessions
1
FUSIFORM
230
3
OBLONG
45
5
CLAVATE
1