MaltingBarley Breeding targets

Grainyield (high preferred to low)

Diseaseresistance (high preferred to low)

Micro-organisminfection (low preferred to high)

Grainshape (oval preferred to long)

Huskadherence (tight preferred to loose)

Proteincontent ( < 11% and > 9%)

Dormancy(none preferred)

Germination(rapid and even preferred to slow and erratic)

Rootgrowth (short preferred to long)

Respiration(low preferred to high)

Endospermhydration during steeping (rapid and uniform preferred to slow andlocalised)

Endospermdegrading enzymes (high content and rapid distribution and action)

Endospermstructure (loosely-packed starch-protein matrix preferred to compactassociation)

Endospermmodification (rapid and uniform preferred to slow and localised)

Polyphenols(low preferred to high

Flavourand colour compounds (controllable under malting and kilning conditions)

Foamstability (influenced by barley genotype)

Flavourstability (low-lox activity)

1. Recombinationbreeding

2. Mutagenbreeding
3. Anther& pollen culture breeding
4. Genetictransformation breeding