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

Tomato Leaf Curl 732 Peach leaf curl 283 Bean leaf curl 32 Squash Leaf Curl 24 Lettuce leaf curl 23 Tomato leaf curl 22 Cucumber leaf curl 19 Parsley leaf curl 12 Leaf curl — Kale 8 Pepper Leaf Curl 6 Peach leaf curl of nectarine 6 Curly Top — Sugar Beet 5 Melon Leaf Curl 4 Peach leaf curl of almond 4 Leaf curl — Savoy cabbage 4 Apricot leaf curl 3

Found in these crops

Tomato 942 Peach 280 Field pumpkin 33 Tomato 24 Cucumber 16 Lettuce 14 Nectarine 6 Melon 6 Bell pepper 5 hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner 4 Almond 4 Curly kale 3

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.

Sandoline

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

6 records

Rosalin

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation, JP

3 records

Royal Gem

Active

Prunus persica (L.) Batsch · Peach

6 records

Red machine

Active

Solanum lycopersicum L. · Tomato

Vilmorin, F

4 records

Retador

Active

Solanum lycopersicum L. · Tomato

HM.CLAUSE

5 records

Quaresma

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

6 records

Pink Dream

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation (SCC)

4 records

Palmos

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

5 records

Perseverance

Active

Cucurbita pepo L. · Field pumpkin

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

5 records

Pandie

Active

Cichorium endivia L. · Endive

Syngenta Seeds B.V.

6 records

OOM SAREL

Active

Prunus persica (L.) Batsch · Peach

3 records

Nun 3155 TO

Active

Solanum lycopersicum L. · Tomato

Nunhems B.V.

5 records

Nada

Active

Solanum lycopersicum L. · Tomato

SMEDEKS Co d.o.o

3 records

Moscatel

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

5 records

Monteliga

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

5 records

Minoprio

Active

Solanum lycopersicum L. · Tomato

HM.Clause S.A.S.

4 records

Montealto

Terminated

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

4 records

Mesias

Active

Solanum lycopersicum L. · Tomato

Scott Williams

5 records

Montenegro

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

5 records

Modykano

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

6 records

Mencius

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

5 records

Mirante

Active

Solanum lycopersicum L. · Tomato

RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.

5 records

Miko

Active

Solanum lycopersicum L. · Tomato

Sakata Vegenetics (Pty) Ltd (ZA)/Sakata Seed Sudamerica Ltd (BR)

3 records

Marvellance

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable IP Management B.V.

5 records

1 2 ... 7 8 9 10 11 12 13 ... 57 58 Next

Jump to page 17 20 25 33 41 50

Diseases

Powdery mildew 33 570
Fusarium wilt and blight 29 887
Viral mosaic diseases 22 022
Downy mildew 16 384
Leaf spot diseases 15 926
Rust 14 859
Verticillium wilt 12 175
Scab 12 064

All terms →

Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.