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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:
Days to maturity (DAYS TO MATURITY)
Download list of accessions evaluated for this trait
Definition:
Actual days to average market maturity
Crop:
LETTUCE
Category:
Phenological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
4
Responsible Site:
Western Regional PI Station (
W6
)
Studies or environments
LETTUCE.OLD.DATA
219 Accessions
LETTUCE.PASSPORT.DATA
2 Accessions
Distribution of Values for
Days to maturity (DAYS TO MATURITY)
Range
Number of Accessions
16 - 23
4
23 - 30
18
30 - 37
55
37 - 44
35
44 - 52
3
52 - 59
32
59 - 66
45
66 - 73
8
73 - 80
15
80 - 87
6