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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 Naked oat 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.

118 NS

Active

Zea mays L. · Maize

Mile Ivanovich

UA
4 records

TIFT 8

Active

Cenchrus purpureus x Cenchrus squamulatus

Brian M. Schwartz^^^Wayne W. Hanna^^^S. Kristine Braman

2 records

PR39F83

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

3 records

DKC3795

Active

Zea mays L. · Maize

Ekhard Holzhausen

UA
4 records

KWS Florento

Active

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

KWS SAAT SE&CO.KGaA, DE

FR
2 records

MAS 409H

Active

Zea mays L. · Maize

MAS SEEDS

IT UA
3 records

LID3130C

Active

Zea mays L. · Maize

Laurent BETTINGER

SK UA
3 records

MAS 14B

Terminated

Zea mays L. · Maize

Maisadour Semences

LT SK
2 records

MAS 377V

Active

Zea mays L. · Maize

MAS SEEDS

IT
2 records

MAS 56WX

Terminated

Zea mays L. · Maize

MAS SEEDS

IT
2 records

MAS 54H

Active

Zea mays L. · Maize

MAS SEEDS

IT
3 records

KWS Vocaliso

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

AT
3 records

MAS 26R

Active

Zea mays L. · Maize

MAS SEEDS

IT
2 records

Fulgor

Active

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

MAS Seeds,FR

HR
2 records

ES Moskito

Protection expired

Zea mays L. · Maize

EURALIS SAATEN

AT SK
2 records

ES Ultrastar

Active

Zea mays L. · Maize

Euralis Semences

AT IT
2 records

Gunnar

Terminated

Hordeum vulgare L. · Barley

Lantmännen SW Seed

DK SE
4 records

Es Cirrus

Active

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

Euralis Semences FR

FR NL
3 records

Fatale

Active

Zea mays L. · Maize

Joel Meunier

UA
2 records

Concorde

Protection expired

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

Coop de Pau SCA (FR)

ES FR
3 records

Trimaran

Active

Zea mays L. · Maize

MAS SEEDS

IT
2 records

Tentaxion

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

MAS 275L

Active

Zea mays L. · Maize

MAS SEEDS

IT
2 records

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