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USDA National Plant Germplasm System
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2.3.12 [npgstest -- bhunt2312-0204]
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Descriptor:
ASTER YELLOWS (ASTERYEL)
Download list of accessions evaluated for this trait
Definition:
Resistance to aster yellows phytoplasma. Proportion of asymptomatic plants when grown under open field conditions (percentage from 0 to 100). 1 measure per row. 100 = resistant
Crop:
CALENDULA
Category:
Disease 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
CALENDULA.OBS.AMES.2007.AVERAGES
68 Accessions
Distribution of Values for
ASTER YELLOWS (ASTERYEL)
Range
Number of Accessions
30 - 37
0
37 - 44
0
44 - 51
5
51 - 58
7
58 - 65
9
65 - 72
9
72 - 79
5
79 - 86
15
86 - 93
5
93 - 100
21