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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
2Fruitbreedomics Stakeholder Day, EufrinMarkus Kellerhals
Agroscope apple breedingAgroscope 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
3Fruitbreedomics Stakeholder Day, EufrinMarkus Kellerhals
CH 101 – Galiwa®
ACW 3851 Ladina
4Fruitbreedomics Stakeholder Day, EufrinMarkus Kellerhals
‘CH 101’ GALIWA® (Gala x K1R20A44)cross 1992
Fruit• Size medium to large, globose,
green-yellow with ¾ darkorangered 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 severalharvests
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Storage trial ‘CH101 (Galiwa®)’ organic orchard (2°C, 3% CO2, 1% O2)
Firmness
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Storage trial ‘CH101 (Galiwa®)’ organic orchard
Sugar
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Storage trial ‘CH101 (Galiwa®)’ organic orchard
Acidity
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No storage disorders (June 11th, 2012)
Gala Galiwa
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Marketing: collaboration with VariComand FiBL
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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
11Fruitbreedomics Stakeholder Day, EufrinMarkus 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
12Fruitbreedomics Stakeholder Day, EufrinMarkus Kellerhals
Field test in southern Germany withartificial 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 youngshoot
■ 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
13Fruitbreedomics Stakeholder Day, EufrinMarkus Kellerhals
Consumer test Sept. 2012, Lausanne, 1= very bad, 9 = very good
Eating quality Appearance
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Breeder Danilo Christen with treeof ACW 3851 (cross by Charly Rapillard)
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ACW 3851 (Harrow Sweet x Verdi)
Fruit
Fruit• Size medium, pear-shaped,
yellow-green with ¾ darkred overcolour, 10 days after Conference
• Crisp, subacid, very juicy, goodstorage
Tree• Vigour: medium, moderate
tolerance to fire blight• Good and regular yields• Storage trial under way
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Güttingen, 2012 (first leaf)Quince C, interstem Conférence