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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:
Midrib Color (COLORMID)
Download list of accessions evaluated for this trait
Definition:
Color of the midrib on lower leaf surface
Crop:
TOBACCO
Category:
Morphological descriptors
Status:
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
US Nicotiana Germplasm Collection (
TOB
)
Studies or environments
TOBACCO.UPOV.CLAYTON.2016
6 Accessions
TOBACCO.UPOV.CLAYTON.2017
1 Accessions
TOBACCO.UPOV.OXFORD.2009
51 Accessions
Distribution of Values for
Midrib Color (COLORMID)
Code
Definition
Number of Accessions
1
6
2
22
3
9
4
20