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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:
HEAD DIAMETER (HIGH RANGE) (HEADDIAMHI)
Download list of accessions evaluated for this trait
Definition:
HIGH RANGE FOR HEAD DIAMETER TAKEN AT R-9 STAGE AND MEASURED IN CM.
Crop:
SUNFLOWER
Category:
Morphological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
4
Responsible Site:
North Central Regional Plant Introduction Station (
NC7
)
Studies or environments
NC7.SUNFLOWER
1 Accessions
NC7.SUNFLOWER.50
1 Accessions
NC7.SUNFLOWER.60
12 Accessions
NC7.SUNFLOWER.61
4 Accessions
NC7.SUNFLOWER.62
7 Accessions
NC7.SUNFLOWER.63
30 Accessions
NC7.SUNFLOWER.64
19 Accessions
NC7.SUNFLOWER.65
41 Accessions
NC7.SUNFLOWER.66
34 Accessions
NC7.SUNFLOWER.67
22 Accessions
NC7.SUNFLOWER.68
19 Accessions
NC7.SUNFLOWER.69
36 Accessions
NC7.SUNFLOWER.70
17 Accessions
NC7.SUNFLOWER.71
82 Accessions
NC7.SUNFLOWER.72
6 Accessions
NC7.SUNFLOWER.73
31 Accessions
NC7.SUNFLOWER.74
36 Accessions
NC7.SUNFLOWER.75
58 Accessions
NC7.SUNFLOWER.76
53 Accessions
NC7.SUNFLOWER.77
88 Accessions
NC7.SUNFLOWER.78
2 Accessions
NC7.SUNFLOWER.79
54 Accessions
NC7.SUNFLOWER.80
18 Accessions
SUNFLOWER.AMES.SUN.INC.2016
44 Accessions
SUNFLOWER.AMES.SUN.INC.2017
30 Accessions
SUNFLOWER.AMES.SUN.INC.2018
37 Accessions
SUNFLOWER.AMES.SUN.INC.2019
100 Accessions
SUNFLOWER.AMES.SUN.INC.2020
74 Accessions
SUNFLOWER.AMES.SUN.INC.2021
43 Accessions
SUNFLOWER.AMES.SUN.INC.2022
54 Accessions
Distribution of Values for
HEAD DIAMETER (HIGH RANGE) (HEADDIAMHI)
Range
Number of Accessions
0 - 71
1008
71 - 141
1
141 - 212
0
212 - 282
0
282 - 353
0
353 - 423
0
423 - 494
0
494 - 564
0
564 - 635
0
635 - 705
1