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Diseases

Helminthosporiosis

Bipolaris, Drechslera

Helminthosporiosis is a complex of plant diseases caused by fungi of various genera, manifested in the form of leaf spots, root rots, and seed infection. The disease leads to a significant reduction in the yield and quality of agricultural crops.

Mentioned in descriptions 3 441 varieties reference book.

Helminthosporiosis represents a group of diseases that manifest through the formation of leaf spots, the color and shape of which vary from light gray to dark brown with a distinct border. Under severe infection, spots coalesce, causing necrosis and drying of the leaf blade, and can also affect roots, stems, and grain, causing rots and darkening of the embryo.

Disease development is most intense in the presence of droplet moisture and air temperatures ranging from +20 to +30 degrees Celsius. The level of infection depends on the climatic conditions of the specific region, the degree of variety susceptibility, and the overall infectious background in the fields.

Variety resistance is ensured by the genetically determined ability of the plant to limit pathogen development, with resistance in some crops being directly linked to the cytoplasm type. During variety trials, resistance is assessed using scoring scales under field conditions, as well as by biotesting methods on selective media using fungal toxins.

Sources10

Breakdown by crop

Helminthosporium leaf blight of maize 613 Helminthosporium Leaf Blight of Maize 244 Helminthosporium leaf spot of barley 147 Helminthosporium leaf blight — sweet corn 134 Rice Helminthosporium Leaf Spot 31 Helminthosporium leaf blotch of oats 23 Helminthosporium leaf spot of perennial ryegrass 17 Helminthosporium leaf blight — common wheat 16 Helminthosporium leaf spot of Kentucky bluegrass 11 Sorghum Helminthosporium Leaf Blight 9 Helminthosporiosis of Opium Poppy 8 Helminthosporium leaf spot — Popcorn 7 Helminthosporium leaf spot of triticale 4 Helminthosporiosis in naked oats 4 Helminthosporium Leaf Blight of Maize 4 Helminthosporium leaf spot of tall fescue 3

Found in these crops

Maize 452 Maize 184 Barley 64 Sweet corn 34 Rice 17 Bread wheat 15 Perennial ryegrass 12 Oat 12 Kentucky bluegrass 12 Sorghum 9 Opium poppy 7 Popcorn 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.

Kreator

Active

Avena sativa L. · Oat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
3 records

Komodos

Terminated

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
2 records

KWS Armoris

Active

Zea mays L. subsp. mays (Maize Group) · Maize

KWS SAAT SE, DE

FR
2 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

UA
3 records

Hran 310

Active

Zea mays L. · Maize

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

UA
2 records

Hoxegor Waxy

Active

Zea mays L. subsp. mays (Maize Group) · Maize

Monsanto Technology LLC, US

FR
2 records

Hran 6

Active

Zea mays L. · Maize

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

UA
2 records

Halychanyn

Active

Hordeum vulgare L. · Barley

Stepanchuk Volodymyr Volodymyrovych, Babash Andrii Borysovych, Perekhrest Valentyna Arkhypivna, Tarasiuk Vasyl` Prokopovych, Linchevskyi Anatolii Adamovych,

UA
3 records

Haris NS

Active

Zea mays L. · Maize

INSTITUTE OF FIELD AND VEGETABLE CROPS

GR
4 records

GSS1477S

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Syngenta Seeds B.V.

NL
2 records

G 4740

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

FUNK SEED

ES
2 records

GH 6462

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

NL
2 records

Fondari

Active

Zea mays L. · Maize

DOW AgroSciences

IT
3 records

ES Method

Active

Zea mays L. subsp. mays (Maize Group) · Maize

Euralis Semences FR

FR
2 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,

UA
3 records

DKC3990

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

DKC3440

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

DANNY

Terminated

Lolium perenne L. · Perennial ryegrass

L. DÆHNFELDT A/S

DK
4 records

Chalenger

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Asgrow France SA (FR)

FR
2 records

Baltuso

Active

Zea mays L. subsp. mays (Maize Group) · Maize

KWS SAAT SE&CO.KGaA, DE

FR
2 records

Ardash

Active

Zea mays L. · Maize

Rysin Leonid Mykhailovych

UA
3 records

Ambrosia

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

IT
2 records

Amarok 300

Active

Zea mays L. · Maize

Stepanov IEvhenii Olehovych, Parii IUliia Oleksandrivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych, Parii Fedir Mykytovych,

UA
5 records

Alva

Active

Oryza sativa L. · Rice

Lugano Leonardo SRL (IT)

BG
3 records

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