Skip to content
agronom.cc cultivar database

Diseases

Septoria leaf blotch

Septoria

Septoria leaf blotch is a complex fungal disease of cereal crops, manifesting as leaf and glume blotch, leading to tissue necrosis and yield reduction.

Mentioned in descriptions 4 644 varieties reference book.

The disease is caused by fungi of the genus Septoria and related species, which infect all above-ground parts of plants. Light beige or grey-brown spots form on leaves and stems, and black dots, known as pycnidia, develop on their surface over time. The disease is dangerous in temperate climates with high humidity and frequent rainfall.

Pathogen development depends on weather factors, particularly temperatures in the range of +15…+25 °C and air humidity above 80%. The disease leads to a reduction in the photosynthetic area, grain shriveling, and a decline in baking quality. The level of loss varies from 10–15% in normal years to 50% during epiphytotics.

Varietal resistance is divided into vertical, based on specific Stb genes, and horizontal, which is considered more long-lasting. Horizontal resistance is determined by morphological characteristics: cuticle density, pubescence, the presence of a waxy bloom, and lack of sensitivity to fungal toxins.

Resistance evaluation in variety trials is conducted using infectious-provocative backgrounds, visual assessment of the degree of infection, and laboratory methods, including molecular diagnostics. The obtained data are compared with reference indicators to determine the effectiveness of variety protection under specific conditions.

Sources10

Breakdown by crop

Septoria blotch — soft wheat 945 Septoria blotch of triticale 147 Septoria tritici blotch — durum wheat 128 Septoria blotch of oats 30 Septoria Leaf Blotch of Rye 26 Septoria Leaf Spot of Sunflower 23 Septoria Brown Spot — Soybean 21 Septoria Leaf Spot — Celeriac 21 Gooseberry Septoria Leaf Spot 21 Septoria blotch of barley 20 Septoria Blotch of Spelt 17 Septoria Blotch — Common Wheat 16 Septoria Leaf Spot of Black Currant 15 Septoria Leaf Spot — Celery 14 Septoria leaf spot of red currant 12 Septoria Blight of Wheat 9 Pear Septoria Leaf Spot 9 Parsley Septoria leaf spot 9 Tomato Septoria Leaf Spot 7 Septoria Blight of Pea 5 Celery Septoria Blight 4 Septoria Leaf Spot of Lettuce 3 Septoria Leaf Blotch of Naked Oats 3

Found in these crops

Bread wheat 933 Triticale 143 Durum wheat 127 Oat 30 Rye 26 Celeriac 25 Sunflower 23 Soybean 22 Gooseberry 21 Barley 20 Blackcurrant 16 Celery 16

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.

Claretta

Active

Avena sativa L. · Oat

GENETIC SERVICES S.R.L.

IT
2 records

CHIEFTAIN

Terminated

Triticum aestivum L. · Bread wheat

Nickerson Seeds Ltd (GB)/Nickerson SA (FR)

FR
3 records

Capuchon 4

Active

Triticum aestivum L. · Bread wheat

SEMILLAS BATLLE, S.A.

ES
3 records

Calgary

Active

Apium graveolens L. var. rapaceum (Mill.) Gaud. · Celeriac

Semsearch B.V.

CZ
3 records

CARIBO

Protection expired

Triticum aestivum L. · Bread wheat

TONI HEIDENREICH VORM

DK
3 records

BT64

Active

Triticum aestivum L. · Bread wheat

SEMILLAS BATLLE, S.A.

ES
2 records

BHW23BW0020

Active

Triticum aestivum L. · Bread wheat

BASF SE (DE)

FR
2 records

Axe

Active

Triticum aestivum L. · Bread wheat

Nickerson SA (FR)

FR
2 records

Badiel

Active

Triticum aestivum L. · Bread wheat

AGROSA SEMILLAS SELECTAS, S.A.

ES
3 records

Armstrong

Terminated

Triticum aestivum L. · Bread wheat

Nickerson SA (FR)

FR
3 records

Aronio

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT
3 records

Artengo

Terminated

Triticum aestivum L. · Bread wheat

DEUTSCHE SAATVEREDELUNG AG

DE
3 records

Avalon RM

Terminated

Helianthus annuus L. · Sunflower

EURALIS GENETIQUE

IT
2 records

Armand

Active

Secale cereale L. · Rye

VERA-AGRA SP. Z.O.O.

PL
3 records

Agent

Active

Avena sativa L. · Oat

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

PL
3 records

Absint

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

DE
3 records

LG Illuminate

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.S

3 records

KWS Cranium

Active

Triticum aestivum L. · Bread wheat

KWS UK LTD

3 records

Chaucer

Terminated

Triticum aestivum L. · Bread wheat

Elsoms Seeds

3 records

Cantata

Terminated

Triticum aestivum L. · Bread wheat

PLANT BREEDING INTERNATIONAL CAMBRIDGE

3 records

WPB Pebbles

Active

Triticum aestivum L. · Bread wheat

Wiersum Plantbreeding B.V.

PL
3 records

LG Litopys

Active

Triticum aestivum L. · Bread wheat

Mike Taylor

UA
3 records

Kruhozir

Active

Triticum aestivum L. · Bread wheat

Babiants Lazar Tyhranovych, Lyfenko Lina Semenivna, Fedchenko Volodymyr Pavlovych, Rodenko Halyna Anatoliivna, Shpykuliak IEvhenii Anatoliiovych, Narhan Tetiana Pavlivna, Nakonechnyi Mykola IUriiovych, Yeryniak Mykola Ivanovych, Lyfenko Savelii Pylypovych

UA
3 records

Acuna

Active

Triticum aestivum L. · Bread wheat

APSOVSEMENTI SRL

ES
4 records

Jump to page 9 19 28 37 56 57