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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.

Doña Pepa

Active

Hordeum vulgare L. · Barley

SEMILLAS BATLLE, S.A.

ES
4 records

DKC5110

Active

Zea mays L. · Maize

Monsanto Technology, USA

IT
4 records

Doblona

Active

Hordeum vulgare L. · Barley

SEMILLAS BATLLE, S.A.

ES
5 records

Dallia

Active

Lolium perenne L. · Perennial ryegrass

Semences De France (FR)

FR
3 records

Charlfield

Active

Lolium perenne L. · Perennial ryegrass

Teagasc

IE
4 records

Catanga

Active

Lolium perenne L. · Perennial ryegrass

Semences De France (FR)

FR
4 records

Bastille

Active

Hordeum vulgare L. · Barley

LEMAIRE DEFFONTAINES SEMENCES

IT
3 records

Agro King

Active

Zea mays L. · Maize

SAATBAU LINZ EGEN

SK
4 records

Agnes

Active

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

SEMO a.s

SK
3 records

75MAY75

Active

Zea mays L. · Maize

MAY AGRO SEED CORP.

IT
3 records

Alisa DS

Active

Hordeum vulgare L. · Barley

Lietuvos agrarinių ir miškų mokslų centras

LT
4 records

Aberforth

Active

Lolium perenne L. · Perennial ryegrass

Aberystwyth University (IBERS)

NL
4 records

Ph44a

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

3 records

ES Runway

Active

Zea mays L. · Maize

EURALIS SAATEN

AT UA
4 records

Starmas

Active

Zea mays L. · Maize

MAS SEEDS

IT UA
3 records

MAS 282K

Active

Zea mays L. · Maize

MAS SEEDS

IT UA
3 records

MAS 400D

Active

Zea mays L. · Maize

MAS SEEDS

IT UA
3 records

Codeos

Active

Zea mays L. · Maize

Pierre GARRAUD

IT UA
5 records

RGT Rulaxxo

Active

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

RAGT 2n, FR

CZ FR
3 records

Karedi CS

Active

Zea mays L. · Maize

CAUSSADE SEMENCES

PT SK
3 records

MAS 26K

Active

Zea mays L. · Maize

MAS SEEDS

PT UA
6 records

Kalzio

Active

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

MAS Seeds,FR

FR HR
3 records

Maskaret

Active

Zea mays L. · Maize

Syngenta participation AG

IT
5 records

KWS Seducto

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT SK
4 records

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