Genetic Resources

-without genetic resources there will be no gain

1.. Leaf rust resistance from T. monococcum

2.. Genetic Maps (several SNP, GBS link)

3. Physical Maps (several physical maps link).

4. Molecular markers for MAS. (Lr42,...)

Bi-parental mapping populations (many still under development)

Diploid wheat

A-genome

i)T.monococcum/T.boeoticum; 1453 RILs (Powdery mildew, Brittle rachis, stripe rust)

D-genome

i) Ae. tauschii (TA2450)/Ae. tauschii (AL8/78); stage F3; target 480 RILs (Leaf rust resistance Lr42, whole genome mapping)

ii) Ae. tauschii (TA2450)/Ae. tauschii (TA2433); stage F3; target 480 RILs (Leaf rust resistance Lr42)

iii) Ae. tauschii (525)/Ae. tauschii (AL8/78); stage F1; target 96 RILs

Tetraploid wheat

i) T.durum (Kronos)/T.dicoccoides1; stage under DH production;

ii) T.durum (Kronos)/T.dicoccoides2; stage under DH production;

iii) T.durum (Kronos)/T.dicoccoides3 (Source of substitution lines in Langdon);

iv) T.durum (Kronos)/T.dicoccoides4 (Source of substitution lines in Chinese Spring);

Hexaploid wheat

i) C306/Kukri; stage F6; target 670 RILs (drought tolerance)

ii) Chris(recessive genetic male sterile mutant)/Chris; stage F2 (male sterility ms5)

iii) Chinese Spring/Synthetic86;

iv) Chinese Spring/Synthetic89;

v) Chinese Spring/SyntheticW7984;

iv) Prelude 6X/Synthetic [TA8051( Prelude4X/TA1604)]; stage F6 184 RILs.

Germplasm

Six source of leaf rust resistance were identified after screening for 3 years

T. aestivum (cv Prelude extracted teteraploid AABB) x T. monococcum (AmAm) 6 amphiploids developed.

Many more in pipeline...........