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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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2.3.12
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Descriptor:
Stem Diameter (STEM DIAMETER)
Download list of accessions evaluated for this trait
Definition:
Stem diameter measured on the lowest exposed internode after heading measured in centimeters.
Crop:
GRASS-COOLSEASON
Category:
Morphological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
6
Responsible Site:
Western Regional PI Station (
W6
)
Studies or environments
GRASS.PASSPORT.DATA
33 Accessions
GRASS.STEMDIAM.1994.CASLER.FESTUCA
197 Accessions
Distribution of Values for
Stem Diameter (STEM DIAMETER)
Range
Number of Accessions
1.9 - 2.2
140
2.2 - 2.5
50
2.5 - 2.8
7
2.8 - 3.1
18
3.1 - 3.5
0
3.5 - 3.8
0
3.8 - 4.1
12
4.1 - 4.4
0
4.4 - 4.7
0
4.7 - 5
3