STOCK LISTS
TGC REPORT 52, 2002
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61
Table 2. Definition of phenotypic classes of mutants. The primary phenotypic category of each
allele is indicated by a ‘*’ in Table 1.
CLASS DESCRIPTION
A
Anthocyanin modifications: intensification, reduction, elimination
B
Chlorophyll deficiency: white or whitish
C
Chlorophyll deficiency: yellow or yellowish
D
Chlorophyll deficiency: light, grey, or dull green
E
Chlorophyll deficiency: yellow-green
F
Virescent: chlorophyll deficiency localized at growing point
G
Variegation, flecking or striping
H
Leaf necrosis
I
Hair modifications: augmentation, reduction, distortion, elimination
J
Leaf form and size
K
Plant habit and size
L
Flower form and color
M
Inflorescence (exclusive of L)
N
Sterility: any condition leading to partial or complete unfruitfulness
O
Fruit form and surface texture
P
Fruit color and flavor, ripening modification
Q
Disease resistance
R
Root modification
S
Seed
T
Foliage color: dark
U
Foliage color, miscellaneous: olive, brown, blue-green
V
Allozyme variant
W
Overwilting stomatal defect
X
Vascular modification
Y
Nutritional or hormonal disorder
Z
Precocious development
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