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Diseases

Peach leaf curl

Taphrina deformans

Peach leaf curl is a dangerous stone fruit disease caused by the fungus Taphrina deformans. It manifests as blistering and deformation of leaves, shoots, and fruits, leading to mass defoliation and a yield loss of up to 80%.

Mentioned in descriptions 3 891 varieties reference book.

The disease affects peach, nectarine, apricot, and almond, appearing immediately after bud break. Blisters of a pale green, yellow, or scarlet red color form on the leaves, and a whitish waxy coating eventually appears on their undersides. Shoots thicken and become twisted, while affected fruits develop a smooth surface, become covered in cracks, and drop off.

Pathogen development depends on weather conditions: the critical infection period is a cool and humid spring with temperatures between +6 and +15°C. The fungus overwinters on the surface of branches, in bark crevices, and within bud scales. Upon the arrival of dry and hot weather with temperatures above +26°C, infection activity ceases.

The concept of complete resistance to the disease does not exist; however, varietal resistance is often linked to differences in bud break timing: late-maturing varieties are less likely to encounter the peak of pathogen activity. Resistance evaluation in variety testing is conducted visually using a point scale in collection orchards under comparative monitoring in identical conditions.

Sources10

Breakdown by crop

Found in these crops

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Solanum lycopersicum L. · Tomato

UA
1 record

Solanum lycopersicum L. · Tomato

IT
1 record

Endevory

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Isyde

Active

Solanum lycopersicum L. · Tomato

IT
1 record

FTI035

Application submitted

Solanum lycopersicum L. · Tomato

HU
1 record

Eracle

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Èrino

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Estefano

Application submitted

Solanum lycopersicum L. · Tomato

HU
1 record

Prunus persica (L.) Batsch · Peach

EE
1 record

Early King

Terminated

hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner

HU
1 record

Deca

Application submitted

Solanum lycopersicum L. · Tomato

HU
1 record

Botticino

Application submitted

Solanum lycopersicum L. · Tomato

HU
1 record

Clizia

Active

Solanum lycopersicum L. · Tomato

IT
1 record

BRIVIO

Application submitted

Solanum lycopersicum L. · Tomato

UA
1 record

CLOTO

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

HU
1 record

CHEREZA

Active

Solanum lycopersicum L. · Tomato

UA
1 record

Bryllo

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Anahita

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Adelante

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Brivido rosso

Application submitted

Solanum lycopersicum L. · Tomato

HU
1 record

Bacco

Active

Solanum lycopersicum L. · Tomato

IT
1 record

VT 60774

Terminated

Solanum lycopersicum L. · Tomato

1 record

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