Alien Introgression in Wheat Cytogenetics, Molecular Biology, and Genomics

(Barry) #1
255

Table 10.1

Selected examples of recent advances in the characterization, and exploitation of

Ae. tauschii

, SHW and SYN-DER

Group

Trait

Germplasm

Genotyping

Phenotyping

Summary

Reference

Biotic stresses

Stem rust

456

Ae. tauschii
accessions





UG-99 races

12 accessions resistant to all Ug99 races

Rouse et al. (

2011

)

Stem rust

267

Ae. tauschii
accessions





Seedling

239 resistant to local Sr races

Vikas et al. (

2014

)

Yellow rust

SHW

SNP 9K

Seedling, adult (2 locations)

Nine genomic regions identifi

ed

Zegeye et al. (

2014

)

Pest resistance

SHW

DArT

Field trials

26 QTLs identifi

ed for resistance

to fi

ve major pests.

Joukhadar et al. (2013)

Pest resistance SHW





Field trials

15 resistant to Hessian fl

y, 1

resistant to Russian wheat aphid, and 21 resistant to Sunn pest

El Bouhssini et al. (

2013

)

Leaf rust

267

Ae. tauschii
accessions





Seedling

All resistant to local

Lr

races

Vikas et al. (

2014

)

Bird cherry- oat aphid and green bug

SYN-DER RILs

GBS

Evaluations for resistance

QTL on 2DL

Crespo-Herrera et al. (^2014

)

Spot blotch

SYN1xOcoroni86

GBS and SSRs Two years fi

eld

screening

3 QTLs identifi

ed on 1B, 3B and

5A contributed by SYN1

Zhu et al. (

2014

)

Yield

TKW

231 SHW

DArT

Grain size and weight

31 loci identifi

ed for grain size,

weight and shape

Rasheed et al. (

2014

)

TKW, GS

4 SYN-DER F2 populations

DArT

Grain size and weight

18 QTLs for grain size and shape identifi

ed

Okamoto et al. (

2013

)

Yield

SYN-DER





Field trials

SYN-DER cultivars prove superior to bread wheat cultivars

Tang et al. (

2014

)

Wax

210

Ae. tauschii

and

3 SYN-DER mapping populations

Genotyping Iw2

locus







Nishijima et al. (

2014

)

(continued)

10 Aegilops tauschii Introgressions in Wheat

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