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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.

VT60788

Terminated

Solanum lycopersicum L. · Tomato

NL
2 records

Original

Application submitted

Solanum lycopersicum L. · Tomato

Manier Tohumculuk

PL
1 record

SOLOMUN

Application submitted

Solanum lycopersicum L. · Tomato

Harmoniz

ES
1 record

Solanum lycopersicum L. var. lycopersicum · Tomato

UNITED GENETICS ITALIA S.P.A

IT
1 record

Solanum lycopersicum L. var. lycopersicum · Tomato

UNITED GENETICS ITALIA S.P.A

IT
1 record

SV8320TD

Active

Solanum lycopersicum L. · Tomato

Amit Hotzev

UA
2 records

ROISIN

Application submitted

Solanum lycopersicum L. · Tomato

INTERSEMILLAS SAU

ES
1 record

Solanum lycopersicum L. var. lycopersicum · Tomato

S.A.I.S. Societa Agricola Italiana Sementi

IT
1 record

Pluto

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

MERIDIEM SEEDS S.L.

IT
1 record

Macconyto

Application submitted

Solanum lycopersicum L. · Tomato

Bayer Holland B.V.

NL
1 record

OPLOT

Application submitted

Solanum lycopersicum L. · Tomato

RAMIRO ARNEDO, S.A.

ES
1 record

Solanum lycopersicum L. var. lycopersicum · Tomato

ISI SEMENTI SPA

IT
1 record

Solanum lycopersicum L. var. lycopersicum · Tomato

ISI SEMENTI SPA

IT
1 record

CANTYNFLAS

Withdrawn

Solanum lycopersicum L. · Tomato

DIAMOND SEEDS S.L.

ES
1 record

CLAMOROSO

Application submitted

Solanum lycopersicum L. · Tomato

CAPITAL GENETIC EBT, S.L.

ES
1 record

Solanum lycopersicum L. · Tomato

Nunhems Netherlands B.V.

NL
1 record

Prunus persica (L.) Batsch · Peach

Sydorenko Mykhailo Fedorovych, Klochko Nataliia Mykolaivna,

UA
1 record

Xantorini

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Xolatyl XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Wacław

Withdrawn

Prunus persica (L.) Batsch · Peach

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

YPACARAI

Application submitted

Solanum lycopersicum L. · Tomato

MERIDIEM SEEDS S.L.

ES
1 record

Xylia XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Xombra

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Prunus persica (L.) Batsch · Peach

Silenko Volodymyr Oleksandrovych, Sherenhovyi Petro Zakharovych,

UA
2 records

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