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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:
FIRST BLOOM DEGREE DAYS (FIRSTBLMDD)
Download list of accessions evaluated for this trait
Definition:
Number of degree days when first bloom appears on plant
Crop:
RIBES
Category:
Phenological descriptors
Status:
Data Type:
Numeric descriptor
Maximum Length:
4
Responsible Site:
National Clonal Germplasm Repository (
COR
)
Studies or environments
RIBES.CORVALLIS.1999.HUMMER
404 Accessions
RIBES.CORVALLIS.2007.DALTON
333 Accessions
RIBES.CORVALLIS.2008.DALTON
492 Accessions
Distribution of Values for
FIRST BLOOM DEGREE DAYS (FIRSTBLMDD)
Range
Number of Accessions
33 - 116
3
116 - 199
14
199 - 282
139
282 - 365
296
365 - 448
160
448 - 530
348
530 - 613
90
613 - 696
28
696 - 779
11
779 - 862
2