Agriculture Reference
In-Depth Information
Table 8.1
Principal sources of genes used to breed wheat for resistance to the cereal cyst nematode
Heterodera avenae
[
Ha
], unless stated otherwise.
Cereal Species
Cultivar or Line
Origin
Resistance Gene(s)
a,b
Response to Pathotypes
b,c
Use in Cultivars
Wheat
Triticum aestivum
Loros, AUS10894
?
d
Cre1
e
(formerly
Ccn1
), on chromosome
2BL
pR to several pathotypes
NW Europe, Australia; NW
US under evaluation
Katyil
Australia
Ccn1
S, India
Australia
Festiguay
Australia
Cre8
(formerly
CreF
) on chromosome 7L?
Recent analysis suggests 6B
pR to Ha13
Australia
AUS4930
=
Iraq 48
Iraq
Possibly identical genetic location as
Cre1
;
also resistant to
P. thornei
R to several pathotypes and
Heterodera
species and
P.
thornei
Australia, France,
CIMMYT; under
evaluation
Molineux
Australia
Chromosome 1B (14% resistance)
R to Ha13
Australia
Raj MR1 (Raj Molya
Rodhak1)
Landrace from
Nidge, Turkey
AUS 15854
One dominant gene
R only to some populations of
H. avenae
, appears S to
Indian
H. fi lipjevi
Released cultivar in
northern India in 2002
×
J-24
Triticum durum
Psathias 7654, 7655,
Sansome, Khapli
?
?
S to some pathotypes, pR to
others
Triticale and rye
Triticosecale
T701-4-6
Australia
CreR
on chromosome 6RL
R to Ha13
Australia
Drira (
=
Ningadhu)
Australia
?
R to Ha13
Australia
Tahara
Australia
?
R to Ha13
Salvo
Poland
?
UK
Secale cereale
R173 Family
CreR
on chromosome 6RL
R to Ha13
Australia
Wild grass relatives of wheat
Aegilops tauschii
CPI 110813
Central Asia
Cre4
on chromosome 2DL
R to Ha13
Australian synthetic
hexaploid lines
Aegilops tauschii
AUS18913
?
Cre3
on chromosome 2DL
R to Ha13
Australian advanced
breeding lines
Aegilops peregrina
(
1
Cre(3S) with Rkn2
on chromosome 3S;
CreX,
not yet located
=
Ae. variabilis)
Aegilops
longissima
18
?
?
R to four French pathotypes
and
Meloidogyne naasi
France
Aegilops
geniculata
79; MZ1, MZ61,
MZ77, MZ124
?
R and pR to several pathotypes
France—under evaluation
Aegilops triuncialis
TR-353
?
Cre7 (
formerly
CreAet)
R and pR to several pathotypes
France—under evaluation
Aegilops
ventricosa
VPM 1
Cre5
(formerly
CreX
), on chromosome 2AS
R to several pathotypes
Spain—under evaluation
11; AP-1, H-93-8
Cre2
(formerly
CreX
) on genome N
v
11; AP-1, H-93-8,
H-93-35
Cre6,
on chromosome 5N
v
a
Sources:
Reviews and references in Rivoal and Cook (1993), Cook and Rivoal (1998), McDonald and Nicol (2005), and Nicol and Rivoal (2007).
b
Characterized single-gene resistance to cereal cyst nematode.