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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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Descriptor:
Total Cortical Area (ROOT-CORTICAL-AREA)
Download list of accessions evaluated for this trait
Definition:
Total cortical area (TCA), mm2
Crop:
MAIZE
Category:
Root Descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
5
Responsible Site:
North Central Regional Plant Introduction Station (
NC7
)
Studies or environments
MAIZE.ROOTS.BurtonEtAl2013
256 Accessions
Distribution of Values for
Total Cortical Area (ROOT-CORTICAL-AREA)
Range
Number of Accessions
.313 - .426
15
.426 - .539
29
.539 - .651
51
.651 - .764
80
.764 - .877
39
.877 - .99
24
.99 - 1.103
11
1.103 - 1.215
2
1.215 - 1.328
4
1.328 - 1.441
1