Diseases

Helminthosporium leaf blight of maize

Zea mays L.

A group of maize diseases caused by the fungi Helminthosporium maydis and Exserohilum turcicum, manifesting as specific leaf spots and ear rot.

In the reference 613 varieties crop Maize, where this is mentioned in the description.

Southern corn leaf blight is caused by the fungus Helminthosporium maydis and is characterized by spindle-shaped spots on the leaves with a dark brown center. Races O, T, and C are known, of which race T is considered the most aggressive, as it is capable of causing ear rot and infecting plants with CMS-type cytoplasm.

Northern corn leaf blight is caused by the pathogen Exserohilum turcicum and manifests as large, elongated necrotic spots up to 20 cm in length. When breeding for resistance to this disease, race-specific Ht genes (Ht1, Ht2, Ht3) are used, which provide qualitative protection, as well as the Htn1 gene, which suppresses the fungus sporulation process.

General information about the subject — on the page Helminthosporiosis.

Sources8

Varieties of Maize 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.

P9637

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

2 records

P8649

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

2 records

P0900y

Active

Zea mays L. · Maize

Pioneer Genetique SARL

3 records

Mostistea

Protection expired

Zea mays L. · Maize

ANTOHE ION

3 records

Mantikora

Active

Zea mays L. · Maize

Parii Myroslav Fedorovych, Parii IAroslav Fedorovych

3 records

MAS 140E

Active

Zea mays L. · Maize

Syngenta participation AG

2 records

Liperto

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

2 records

M14G90

Active

Zea mays L. · Maize

MAY AGRO SEED CORP.

3 records

Komodos

Terminated

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

2 records

Hran 310

Active

Zea mays L. · Maize

Parii Anna Fedorivna, Parii IAroslav Fedorovych, Parii Myroslav Fedorovych, Parii Fedir Mykytovych,

2 records

Hran 6

Active

Zea mays L. · Maize

Parii IAroslav Fedorovych, Parii Myroslav Fedorovych, Parii Fedir Mykytovych,

2 records

Haris NS

Active

Zea mays L. · Maize

INSTITUTE OF FIELD AND VEGETABLE CROPS

4 records

Kvitnevyi 187 MV

Active

Zea mays L. · Maize

Kravchenko Viktor Mykolaiovych, Mel`nychuk Ol`ha Serhiivna, Cherkashyna Hanna Volodymyrivna, Voskoboinyk Oleksandr Vasyl`ovych, Nehoda Tetiana Volodymyrivna, Borysov Viktor Mykolaiovych, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetsky

3 records

Fondari

Active

Zea mays L. · Maize

DOW AgroSciences

3 records

DM Dominanta

Active

Zea mays L. · Maize

Borysov Viktor Mykolaiovych, Halechko Ivan Dmytrovych, Fedko Mykola Mykolaiovych, Borysov Viktor Mykolaiovych, Bodenko Natalia Anatoliivna, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,

3 records