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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 Oat 12 Kentucky bluegrass 12 Perennial ryegrass 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.

POEMA

Terminated

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

HILLESHOG - NK SPA

ES
1 record

Perouso

Terminated

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

KWS SAAT SE&CO.KGaA, DE

FR
1 record

Parkowa

Withdrawn

Poa pratensis L. · Kentucky bluegrass

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

PL
1 record

NORD 16/2321

Terminated

Hordeum vulgare L. · Barley

LISSY KUNTZE

UA
2 records

Nezabudka

Terminated

Hordeum vulgare L. · Barley

Romanenko Mykola Maksymovych, Betsenko Liudmyla Bronislavivna, Nahorna Svitlana Petrivna, Doroshcuk Vasyl Oleksiiovych, Avramchuk Nina Havrylivna,

UA
2 records

MUASON

Active

Zea mays L. · Maize

Stots`kyi Viktor Pavlovych

UA
1 record

Mv 218-88

Terminated

Triticum aestivum L. · Bread wheat

Balla Laszlo / Bedoe Zoltan / Lang Laszlo / Szunics Laszlo / Szunics Laszlone

HU
1 record

Mégane

Terminated

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

MBS Europe (FR)

FR
1 record

MAS40306

Withdrawn

Zea mays L. · Maize

MAS SEEDS

IT
1 record

MDM2503

Withdrawn

Zea mays L. · Maize

MAS SEEDS

IT
1 record

MAS 440WX

Active

Zea mays L. subsp. Mays · Corn

Maisadour Semences

UA
1 record

MDM3403

Active

Zea mays L. · Maize

MAS SEEDS

IT
1 record

MAS 36M

Application submitted

Zea mays L. · Maize

MAS SEEDS

IT
1 record

Maczo

Terminated

Avena sativa L. · Oat

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

PL
1 record

Lorna

Terminated

Hordeum vulgare L. · Barley

CIV (NL)

FR
1 record

LMF48

Terminated

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

Maisadour Societe Cooperative Agricole (FR)

FR
1 record

LEJ44

Terminated

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

Maisadour Societe Cooperative Agricole (FR)

FR
1 record

Lusitano

Active

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

KWS SAAT SE&CO.KGaA, DE

FR
1 record

LDD 06

Terminated

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

Maisadour Societe Cooperative Agricole (FR)

FR
1 record

Landmark F1

Terminated

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

Archipiano Murielle

UA
1 record

KXC1370

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
1 record

KX0551

Terminated

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
1 record

KX 6381

Withdrawn

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

KWS SAAT SE & CO.KGAA

ES
1 record

LID4409

Active

Zea mays L. · Maize

Lidea France SAS, FR

BG
1 record

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