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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:
Maturity Date (DAY MATURE)
Download list of accessions evaluated for this trait
Definition:
Day of year when seed maturity is reached
Crop:
GRASS-COOLSEASON
Category:
Phenological descriptors
Status:
Data Type:
Numeric descriptor
Maximum Length:
4
Responsible Site:
Western Regional PI Station (
W6
)
Studies or environments
GRASS.1995.JOHNSON
228 Accessions
GRASS.2007.YEAR1.JOHNSON.ACHNATHERUM
106 Accessions
GRASS.2008.YEAR2.JOHNSON.ACHNATHERUM
109 Accessions
GRASS.2010.BRADLEY.BRACHYPODIUM
31 Accessions
GRASS.2017.JOHNSON.POA.SECUNDA
40 Accessions
Distribution of Values for
Maturity Date (DAY MATURE)
Range
Number of Accessions
163 - 171
143
171 - 179
89
179 - 188
115
188 - 196
38
196 - 204
46
204 - 212
39
212 - 220
24
220 - 229
20
229 - 237
4
237 - 245
1