Biology Reference
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Table 9.2. Genes conditioning resistance to specific races or isolates of C. lindemuthuanum described in common bean.
Bean genotype where the resistance genes was described and the isolates or races used in the genetic analysis are also
indicated.
Gene Symbols
Bean
Gene
Isolates or races used
First Reference
New
Original
Genotype
pool
in genetic analysis
A 11 ,F
A
Wells Red Kidney
Burkholder 1918
Co-1
A
MDRK
AND
alpha, beta, gamma
Cardenas et al. 1964
Co-1 2
Kaboon
AND
7, 73
Melotto and Kelly 2000
Co-1 3
Perry Marrow
AND
7, 73
Melotto and Kelly 2000
Co-1 4
AND 277
65, 81, 453
Alzate-Marin et al. 2003
Co-1 5
Widusa
7, 65, 73, 453
Gon¸alves-Vidigal et al.
2006
Co-2
Are
Cornell 49242
MA
alpha, beta, gamma
Mastenbroek 1960
Co-3
Mexique 1
Mexico 222
MA
14, 51
Bannerot et al. 1971
Co-3 2
Mexico 227
MA
gamma, delta 2
Fouilloux 1976
Co-3 3
A493
38
Mendez de Vigo et al.
2005
Co-4
Mexique 2
TO
MA
gamma, delta 2
Fouilloux 1976
Co-4 2
SEL1308
64, 73, 521
Young et al. 1998
Co-4 3
PI 207262
MA
65, 73, 79
Alzate-Marin et al. 2002
Co-5
Mexique 3
TU
MA
gamma, delta 2
Fouilloux 1976
Co-5 2
SEL1360
7, 23, 64, 73,
3481
Young and Kelly 1996b
Vallejo and Kelly 2009
Co-6
Q
Catrachita
MA
23, 64, 73
Gon¸alves-Vidigal et al.
1997
Co-7
NA
G2333
MA
521, 1545
Young et al. 1998
co-8
NA
AB 136
MA
64, 89, 73
Alzate Marin et al. 1997
Co-9
NA
BAT 93
MA
38, C531, E29b E33c
Geffroy et al. 1999
Co-10
NA
Ouro Negro
MA
23, 64, 73, 81, 89
Alzate-Marin et al. 2003
Co-11
NA
Michelite
MA
8, 64
Gon¸alves-Vidigal et al.
2007
Co-12
NA
Jalo Vermelho
AND
23, 55, 89, 453
Gon¸alves-Vidigal et al.
2008
Co-13
NA
Jalo Listras Pretas
AND
9, 64, 65, 73
Gon¸alves-Vidigal et al.
2009
Co-14
NA
Pitanga
AND
2047
Gon¸alves-Vidigal et al.
2012
Co-u
NA
BAT93
MA
E4, E42b
Geffroy et al. 2008
Co-v
NA
BAT93
MA
Geffroy 1997
Co-w
NA
JaloEEP558
AND
E25
Geffroy 1997; Geffroy
et al. 2008
Co-x
NA
JaloEEP558
AND
100, 40, 3616, 82
Geffroy 1997; Geffroy
et al. 2008
Co-y
NA
JaloEEP558
MA
38, C531, E29b, E33c
Geffroy et al. 1999
Co-z
NA
JaloEEP558
MA
38, C531, E29b, E33c
Geffroy et al. 1999
C. lindemuthianum . He found 362 resistant F 2
plants and 111 susceptible plants suggesting that
a single dominant gene was involved in resis-
tance (named as A factor).
Results observed in R x R crosses are used to
identify the specific genes involving in the reac-
tion to pathogen. Genotype (A) with unknown
resistance gene(s) is crossed with genotypes
with known resistance genes (B, C, D, . . . )
and the respective progenies evaluated against
an avirulent race. The resistance genes pos-
sessed by genotype A are deduced from observed
 
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