1. Federal Department of Economic Affairs,
Education and Research EAER
Agroscope
February 20, 2013
The new apple varieties ‘CH 101-
Galiwa®’, ‘Ladina’ and the new pear
selection ‘ACW 3851’ from the
Agroscope breeding program
Markus Kellerhals

2. 2Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Agroscope apple breeding
Agroscope Wädenswil site: fruit, vegetables, viticulture,
Staff: about 150
Step 1: about 4000 selections
12’000 seedlings/ year, 2’000-3’000 MAB Container field: about 6000 seedlings

3. 3Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
CH 101 – Galiwa®
ACW 3851 Ladina

4. 4Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
‘CH 101’ GALIWA® (Gala x K1R20A44)
cross 1992
Fruit
• Size medium to large, globose,
green-yellow with ¾ dark
orangered over colour
• Firm, sweet and low acid apple,
juicy, good texture, long storage
Tree
• Scab resistant (Vf)
• Vigour: weak to medium
• Good yields, slight tendency to
alternate bearing, requires several
harvests

5. 5Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Storage trial ‘CH101 (Galiwa®)’
organic orchard (2°C, 3% CO2, 1% O2)
Firmness

6. 6Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Storage trial ‘CH101 (Galiwa®)’
organic orchard
Sugar

7. 7Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Storage trial ‘CH101 (Galiwa®)’
organic orchard
Acidity

8. 8Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
No storage disorders (June 11th,
2012)
Gala Galiwa

9. 9Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Marketing: collaboration with VariCom
and FiBL

10. 10Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Ladina (Topaz x Fuji)
cross 1999
Fruit
• Size medium, globouse, green-
yellow with ¾ red over colour
• Crisp, subacid, very juicy, typical
flavour, good storage
Tree
• Scab resistant (Vf), fire blight
tolerant
• Vigour: medium
• Good and regular yields

11. 11Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Harvest time and storage
Sept Oct Nov Dec Jan Feb March April May June July
Harvest Cold store CA (ULO) in trial
Sept Oct Nov Dec Jan Feb March April May June July
Harvest Cold store CA (ULO) store
CH 101-Galiwa®
Ladina

12. 12Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Field test in southern Germany with
artificial fire blight infection
Class Description
■ 1-2 No symptoms
■ 3 Flower infection (< 1/3 petiole length)
■ 4 Flower infection (≥ 1/3 petiole length)
■ 5 Inflorescence and petiole
■ 6 Inflorescence, petiole and young
shoot
■ 7 Necrosis in wood (< 5 cm)
■ 8 Necrosis in wood (> 5 cm)
0 20 40 60 80 100
T8
T15
T22
T29
Ladina
0 20 40 60 80 100
T8
T15
T22
T29
Gala
Gala 29 dai Ladina 29 dai

13. 13Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Consumer test Sept. 2012, Lausanne,
1= very bad, 9 = very good
Eating quality Appearance

14. 14Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Breeder Danilo Christen with tree
of ACW 3851 (cross by Charly Rapillard)

15. 15Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
ACW 3851 (Harrow Sweet x Verdi)
Fruit
Fruit
• Size medium, pear-shaped,
yellow-green with ¾ darkred over
colour, 10 days after Conference
• Crisp, subacid, very juicy, good
storage
Tree
• Vigour: medium, moderate
tolerance to fire blight
• Good and regular yields
• Storage trial under way

16. 16Fruitbreedomics Stakeholder Day, Eufrin
Markus Kellerhals
Güttingen, 2012 (first leaf)
Quince C, interstem Conférence