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Diseases

Alternaria Leaf Spot — White Cabbage

Brassica oleracea L. (White Cabbage Group)

A fungal disease of white cabbage caused by species of the genus Alternaria, which affects the plant at all stages of development, manifesting as necrotic spots with a sooty coating.

In the reference 19 varieties crop White cabbage, where this is mentioned in the description.

The disease is caused by the fungi Alternaria brassicae, Alternaria brassicicola, Alternaria raphani, and Alternaria japonica. In the conditions of the southern regions, particularly the Krasnodar Territory, Alternaria brassicicola is recognized as the most dangerous pathogen. In the life cycle of the species Alternaria brassicae, an ascomycete stage, Phleospora herbarum, is sometimes distinguished.

Symptoms on seedlings manifest as black necrotic streaks on cotyledons and hypocotyls. On adult plants, zonate spots with a yellow halo and sooty sporulation appear on the leaves; as they dry, the center of the spots falls out. During the storage of heads, the disease develops into a form of black rot.

Specific resistance genes to this disease in white cabbage have not yet been described. In breeding practice, the concept of tolerance is used, and the degree of hybrid infection is assessed by field methods on an infectious background, most often using a 4-point scale.

General information about the subject — on the page Alternaria blight.

Sources8

Varieties of White cabbage mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Galaxy

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

SVS HOLLAND BV , NL

CZ NL PL SI SK
8 records

Kronos

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Seminis Vegetable Seeds

CZ NL PL SK UA
6 records

Fundaxy

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

MONSANTO HOLLAND BV , NL

NL
4 records

Expectation

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

BEJO ZADEN B.V.

NL
4 records

Sheraton

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Bejo Zaden B.V.

NL
3 records

Marysia

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
3 records

Korund

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
2 records

Jasper

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
3 records

Besapara

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

A. Gioshev, T. Nikolova

BG
3 records

Alonsoma

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

MARNER GZG| Rijk Zwaan Marne Aktiengesellschaft

DE
2 records

Furios

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

NL
3 records

Wädenswil

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

NL
2 records

Korino

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

CZ
2 records

Futura

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

CZ
2 records

Budena

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

NL
2 records

Toskama

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

MARNER GZG| Rijk Zwaan Marne Aktiengesellschaft

DE
1 record

Sława z Enkhuizen GOF

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
1 record

Riteil

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

Naumov Ruslan Olehovych, Krasnok Viacheslav Anatoliiovych,

UA
2 records

Fundaxy F1

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

P.J. Struik

UA
2 records

Akvilon F1

Protection expired

Brassica oleracea L. (White Cabbage Group) · White cabbage

Monakhos Hryhorii Fedorovych

UA
2 records

Furios F1

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

P.J. Struik

UA
2 records

Expat

Withdrawn

Brassica oleracea L. (White Cabbage Group) · White cabbage

NL
2 records

Măgura

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

1 record