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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.

ES Garant

Active

Zea mays L. · Maize

Euralis Semences, F

AT BG DE SI UA
13 records

Clarine

Terminated

Hordeum vulgare L. · Barley

SECOBRA RECHERCHES S.A.S

BG DK ES FR SE
14 records

Christelle

Protection expired

Hordeum vulgare L. · Barley

Nordsaat Saatzuchtgesellschaft mbH

AT DE FR HU PL
11 records

P9175

Active

Zea mays L. · Maize

Pioneer Overseas Corporation, USA

AT BG HU UA
14 records

Hipast

Active

x Festulolium Aschers. et Graebn. · Festulolium

Plant Breeding Hladke Zivotice, s.r.o. (CZ)

CZ DK FR NL
14 records

Cerbinetta

Active

Hordeum vulgare L. · Barley

Claus Einfeldt

AT FI SK UA
11 records

Iliade

Active

Festuca arundinacea Schreb. · Tall fescue

Vincent Beguier

FR PL UA
11 records

LG Zorica

Active

Hordeum vulgare L. · Barley

Limagrain Europe S.A.S. (FR)

AT BG CZ FR HU SK
11 records

Datcha

Active

Hordeum vulgare L. · Barley

Secobra Saatzucht

AT DE FR UA
11 records

KWS Vermont

Active

Hordeum vulgare L. · Barley

SCHINKEL BURKHARD

DE DK PL UA
11 records

SY Telias

Active

Zea mays L. · Maize

Syngenta France SAS

AT DE LU UA
9 records

Hulk

Active

Zea mays L. · Maize

MAS Seeds,FR

BG IT LT SI SK UA
8 records

Cisko

Protection expired

Zea mays L. · Maize

SYNGENTA SEEDS AG, CH

BG HU IT SI UA
10 records

SY Abelardo

Active

Zea mays L. · Maize

Syngenta Participations AG c/o Syngenta International AG

AT DE DK LT
10 records

Sundance

Active

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

HM Clause, INC. (SAD)

FR HR HU NL SK
7 records

PR39B76

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

AT IT RO SI UA
10 records

P9400

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

AT HU IT SK UA
11 records

ES Method

Active

Zea mays L. · Maize

Pierre CAROLO

AT BG HU SK UA
9 records

Challenger

Active

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

Seminis Vegetables (NL)

BG HU SI SK
8 records

SY Scorpius

Active

Zea mays L. · Maize

Syngenta Participations,CH

AT HU IT UA
10 records

P9944

Active

Zea mays L. · Maize

Pioneer Overseas Corporation, USA

AT HU IT UA
11 records

Jubilee

Active

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

Syngenta Seeds B.V.

HU NL PL SK
9 records

Reptans

Active

Festuca rubra L. · Red fescue

W WEIBULL

DE DK SE
8 records

P9721

Active

Zea mays L. · Maize

Pioneer Overseas Corporation, USA

HU RO UA
13 records

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