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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.

MAS 36A

Active

Zea mays L. · Maize

MAS SEEDS

IT RO SI UA
8 records

RGT Axxional

Active

Zea mays L. · Maize

Stephane Melkior

IT UA
8 records

DKC5206

Active

Zea mays L. · Maize

Monsanto Technology, USA

AT HU UA
9 records

Cuneo

Active

Zea mays L. · Maize

SEMILLAS FITÓ S.A

IT SK UA
6 records

Casandro

Active

Zea mays L. · Maize

TAUCHER ROBERT

DE UA
6 records

Trilogi CS

Active

Zea mays L. · Maize

Philippe Moreau

IT PT UA
7 records

Torbellino

Terminated

Hordeum vulgare L. · Barley

Syngenta Seeds SAS, FR

DE FR UA
8 records

Volraxx

Active

Zea mays L. · Maize

Tovarystvo z obmezhenoiu vidpovidalnistiu "Korteva Ahrisaiens Ukraina"

IT SK UA
6 records

Splendis

Active

Zea mays L. · Maize

Rustica Prograin Genetique

AT DE IT
8 records

Danubio

Active

Zea mays L. · Maize

SAATBAU LINZ EGEN

AT DE UA
8 records

ES Asteroid

Active

Zea mays L. · Maize

Pierre CAROLO

AT DE UA
7 records

RGT Beauval

Active

Lolium perenne L. · Perennial ryegrass

RAGT 2N S.A.S

DE FR
7 records

NS 444

Active

Zea mays L. · Maize

NS ratarstvo (YU)

BG SI
7 records

ES Creative

Active

Zea mays L. · Maize

Pierre CAROLO

AT UA
6 records

LG30223

Terminated

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

Limagrain Verneuil Holding (FR)

BE FR NL
6 records

LID2020C

Active

Zea mays L. · Maize

LIDEA FRANCE SAS

IT UA
6 records

Luigi CS

Active

Zea mays L. · Maize

Rene Baratin

DE UA
6 records

Yogi CS

Active

Zea mays L. · Maize

CAUSSADE SEMENCES

DE IT UA
6 records

SY Gordius

Active

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

Syngenta Crop Protection Lda.

BE CZ NL
4 records

RGT Trapixx

Active

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

RAGT 2n, FR

CZ FR PL
4 records

RGT Exxact

Active

Zea mays L. · Maize

Stephane Melkior

AT IT UA
7 records

ES Fieldgold

Active

Zea mays L. · Maize

LIDEA FRANCE SAS

AT UA
5 records

Antaro

Active

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

SAATBAU LINZ EGEN

CZ ES PL
4 records

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