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A peach tree in the garden impresses with its blossom in spring and the delicious peaches in summer. The trouble is all the greater when the peach tree is attacked by the curling disease. The harvest fails and in the worst case the whole peach tree has to be cleared. Unfortunately, none of the more than 3,000 peach varieties is completely resistant to the disease. However, there are peach varieties that are quite resistant to the fungus.
frizz disease
Curl disease, also known as blister and curl disease, is widespread. The cause of the disease is the fungus Taphrina deformans. From June to February, the sac fungus feeds exclusively on dead plant material. As soon as the bud scales open slightly, there is a risk of infection in damp weather, as the fungal spores are washed between the young leaves by the rain. When parts of the leaf are affected by the fungus, they become thick, curl, and develop light green and/or red blisters. As the disease progresses, the leaves become white-greenish. They appear enlarged, brittle, and rubbery, and are eventually shed. The tree is weakened by the severe loss of leaves, which leads to reduced bud formation.
So far, there is no real remedy for the fungus when the leaves are already beginning to curl. Likewise, there are no varieties that are completely resistant. Therefore, the tree must be treated preventively. The ideal time to do this is when the buds start to swell. The exact timing of bud swell depends on the region and weather conditions. This can happen as early as January in mild, sheltered regions. Even a cold snap afterwards does not kill the fungus. It can happen that the peach tree has to be treated three times before the buds open completely. If the infection was overlooked, affected leaves and shoot tips must be removed immediately in order to at least contain the spread of the fungus.
tip: To make it easier for you to see when the buds start to swell, it is recommended that you spray individual shoots with a waterproof color spray as early as December. When the buds begin to swell, the paint flakes off, and you can start treatment.
Resistant Varieties
White-fleshed peach varieties
White-fleshed peaches are considered to be less susceptible to leaf curl than yellow-fleshed ones.
From A - F
Amsterdam
- botanical name: Prunus persica 'Amsden'
- Flowering time: mid - late March
- Harvest time: July - August
- Growth height: 400 - 500 centimeters
- Fruit: medium-sized peach, juicy, sweet, yellow-red skin, white flesh
- Soil: normal, permeable
- Location: sun
- Special features: uncomplicated, bee-friendly, red foliage in autumn
benedict
- botanical name: Prunus persica "Benedicte"
- Flowering time: April
- Harvest time: early - mid August
- Growth height: 300 - 500 centimeters
- Fruit: white, medium-firm flesh with red skin, sweet
- Soil: normal garden soil
- Location: sun to semi-shade
- Special features: self-pollinating, high yields, good stone removal
Fidelia
- botanical name: Prunus persica "Fidelia"
- Flowering time: April
- Harvest time: early - mid August
- Growth height: 400 - 500 centimeters
- Fruit: large, white flesh, light red skin, sweet, very juicy
- Soil: normal, permeable
- Location: sun
- Features: self-pollinating, low susceptibility of the buds to
- Winter frost, small stone, very good stone dissolving
Formerly Alexander
- botanical name: Prunus persica var. persica "Formerly Alexander"
- Flowering time: March - April
- Harvest time: late July - early August
- Growth height: 300 - 400 centimeters
- Fruit: medium-sized to large fruits with white flesh, sweet and juicy, yellow-red skin
- Soil: normal, permeable
- Location: sun
- Special features: easy-care peach variety, autumn colours, self-fertile, popular variety
Francis
- botanical name: Prunus persica "Francis"
- Flowering time: April
- Harvest time: early - late August
- Growth height: 200 - 300 centimeters
- Fruit: white-fleshed, medium-sweet
- Soil: normal, permeable
- Location: sun to semi-shade
- Special features: Can also be cultivated on a trellis
From K - S
Kernechter from the foothills
- botanical name: Prunus persica "Kernechter from the foothills"
- Flowering time: April - May
- Harvest time: mid-September
- Growth height: 300 - 450 centimeters
- Fruit: medium-sized peach, white and firm flesh, green-yellow skin
- aromatic, sour to sweet
- Soil: normal, permeable
- Location: sun to semi-shade
- Special features: suitable for transport, limited shelf life, good stone removal
PiattaforTWO
- botanical name: Prunus persica "PiattaforTWO"
- Flowering time: April - May
- Harvest time: late July - early August
- Growth height: 300 - 400 centimeters
- Fruit: large, plate-like, sweet, white flesh, yellow-red skin
- Soil: permeable, nutrient-rich, sandy, humic
- Location: sun
- Special features: self-pollinating, very small seed, high yield, easily stone-dissolving,
Alfter's record
- botanical name: Prunus persica "Record of Alfter"
- Flowering time: April - May
- Harvest time: end of August
- Growth height: 400 - 500 centimeters
- Fruit: medium-sized peach, juicy, slightly tart, green-yellow skin, yellowish-white flesh
- Soil: normal, well-drained, fresh, moist, humic
- Location: sun to semi-shade
- Special features: easily removes stones, crown close to the ground, bee-friendly
Revita
- botanical name: Prunus persica "Revita"
- Flowering time: April - May
- Harvest time: mid - late August
- Growth height: 300 - 500 centimeters
- Fruit: large, yellow skin, red cheeks, white flesh, juicy, sweet, medium-firm
- Soil: normal, permeable
- Location: sun to semi-shade
- Special features: easy to care for, robust, very easy to remove stones
Red Ellerstadter
- Botanical name: Prunus persica "Red Ellerstadter"
- Flowering time: April - May
- Harvest time: mid-September
- Growth height: 350 - 450 centimeters
- Fruit: medium-sized peach, juicy, tart, dark red skin, white-green to red flesh
- Soil: normal garden soil
- Location: sun
- Special features: self-fertile, stone-dissolving
Saturn
- botanical name: Prunus persica "Saturne"
- Flowering time: April - May
- Harvest time: August
- Growth height: 300 - 400 centimeters
- Fruit: flat, white, medium-firm flesh, yellow-red skin, fruity
- Soil: permeable, loose, rich in humus
- Location: sun to semi-shade
- Special features: Fruits with an intense fragrance, good at removing stones, self-pollinating
Yellow and red fleshed peaches
Although yellow-fleshed peaches are far more susceptible to leaf curl, there are a few cultivars that are highly resistant to the fungus.
bero
- botanical name: Prunus persica "Bero"
- Flowering time: April - May
- Harvest time: late August - early September
- Growth height: 300 - 400 centimeters
- Fruit: medium-sized peach, yellow flesh, very juicy, moderately sweet
- Soil: normal, well drained, fresh
- Location: sun
- Special features: self-pollinating, also suitable for less favorable locations
Harrow Beauty
- botanical name: Prunus persica 'Harrow Beauty'
- Flowering time: March - April
- Harvest time: mid-July - mid-August
- Growth height: 200 - 250 centimeters
- Fruit: juicy, aromatic, fruity-sweet, yellow-fleshed, yellow-red skin
- Soil: normal, well drained, rich in nutrients
- Location: sun to semi-shade
- Special features: fruit must not remain on the tree for too long, easy to care for, good frost hardiness
Honeysun
- botanical name: Prunus persica "Honeysun"
- Flowering time: April - May
- Harvest time: mid-August
- Growth height: 400 - 450 centimeters
- Fruit: yellow flesh, sweet, juicy
- Soil: normal, well drained, rich in nutrients
- Location: sun
- Special features: self-pollinating, red-orange autumn colour,
- Curl disease: low to moderate susceptibility
pilot
- botanical name: Prunus persica "Pilot"
- Flowering time: April - May
- Harvest time: August - September
- Growth height: 350 - 400 centimeters
- Fruit: large to very large, yellow skin, greenish-yellow flesh, sweet and sour, juicy,
- Soil: normal, permeable
- Location: sun to semi-shade
- Special features: undemanding, robust, very good frost hardiness
Red vineyard peach (blood peach)
- Botanical name: Prunus persica "red vineyard peach"
- Flowering time: March - April
- Harvest time: September
- Growth height: 250 - 400 centimeters
- Fruit: medium-sized, red fruits with red flesh, furry skin, bitter taste
- Soil: normal, well drained, light
- Location: sun
- Special features: good stone removal, self-fertile, high yields, fiery red autumn colours
- Curl disease: low to moderate susceptibility
Suncrest
- botanical name: Prunus persica 'Suncrest'
- Flowering time: April - May
- Harvest time: late August - mid-September
- Growth height: 300 - 400 centimeters
- Fruit: large, juicy, sweet, golden-yellow flesh, yellow to orange-red skin
- Soil: normal, permeable
- Location: sun
- Features: robust, self-pollinating, bee and butterfly friendly