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Diseases

Sunflower rust

Helianthus annuus L.

A fungal disease caused by the autoecious obligate parasite Puccinia helianthi. The disease affects the vegetative organs of the plant throughout the entire growing season, leading to a reduction in oil content by up to 15% and yield losses of up to 45%.

In the reference 362 varieties crop Sunflower, where this is mentioned in the description.

The pathogen completes its full life cycle exclusively on sunflower. Symptoms appear as light green spots with pycnidia on the upper side of the leaf, orange aecia on the lower side, followed by the development of rusty-brown urediniopustules. By the end of the growing season, dark teliospores form within the pustules, ensuring the pathogen's overwintering.

Puccinia helianthi populations are characterized by high variability. A set of differential lines, such as SM 90, SM 29, P-386, and HA-R1–R5, is used to identify physiological races. In Russia, the presence of both old and aggressive new races is noted, including 700, 710, 722, and 772.

Crop resistance is determined by dominant genes, among which R1 and Radv are known. In total, about 19 resistance genes have been described; however, many of them are losing their effectiveness due to the constant evolution of the pathogen. Breeding is aimed at the introgression of new genes, for which molecular markers are used to monitor them.

General information about the subject — on the page Rust.

Sources8

Varieties of Sunflower mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

P 64 LE 25

Active

Helianthus annuus L. · Sunflower

Revol Benua

BG HR IT RO UA
16 records

LG 50689 SX

Active

Helianthus annuus L. · Sunflower

Remy ROUANET

BG ES HU IT RO UA
11 records

MAS 91 G

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

BG IT RO UA
10 records

DEL'TASOL

Active

Helianthus annuus L. · Sunflower

Semences Cargill SA (FR)

AT BG FR IT RO
12 records

MAS 98 M

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

BG IT UA
9 records

MAS 92 B

Terminated

Helianthus annuus L. · Sunflower

MAS SEEDS

AT ES FR HR IT
9 records

P 64LP140

Active

Helianthus annuus L. · Sunflower

Sadik El Sayed

ES RO UA
12 records

MAS 85 SU

Active

Helianthus annuus L. · Sunflower

Maisadour Semences, F

RO UA
8 records

Hysun 158 IT

Active

Helianthus annuus L. · Sunflower

PHILIPPE JOUVE

PT RO SK UA
7 records

Hysun 180 IT

Active

Helianthus annuus L. · Sunflower

Advanta Seed International

PT SK UA
7 records

SY LASCALA

Active

Helianthus annuus L. · Sunflower

SYNGENTA FRANCE S.A.S.

PT SK UA
6 records

Hysun 33

Active

Helianthus annuus L. · Sunflower

Pacific Seeds Pty Ltd

ES HR IT
9 records

Hysun 238 IT

Active

Helianthus annuus L. · Sunflower

Roberto Reid

PT RO UA
8 records

NS H 7749

Active

Helianthus annuus L. · Sunflower

Jockovic Milan, Imerovski Ivana, Miladinovic Dragana, Cvejic Sandra, Jocic Sinisa,

RO UA
9 records

LID 5038H

Active

Helianthus annuus L. · Sunflower

Jean Pierre Dufourcq

BG IT UA
6 records

Hysun 195 IT

Active

Helianthus annuus L. · Sunflower

UPL FRANCE

PT RO UA
7 records

SR 6890 IM

Active

Helianthus annuus L. · Sunflower

Lidea France S.A.S

BG UA
6 records

LG 5370

Active

Helianthus annuus L. · Sunflower

LIMAGRAIN EUROPE

SK UA
6 records

NS H 8005

Active

Helianthus annuus L. · Sunflower

Institut za ratarstvo i povrtarstvo, Novi Sad

RO UA
8 records

LG50559 SX

Active

Helianthus annuus L. · Sunflower

Remy ROUANET

IT SK UA
8 records

LG50541 CLP

Active

Helianthus annuus L. · Sunflower

Remy ROUANET

FR IT UA
8 records

NS H 8002

Active

Helianthus annuus L. · Sunflower

Institut za ratarstvo i povrtarstvo, Novi Sad

RO UA
8 records

Nutrisun S 06

Active

Helianthus annuus L. · Sunflower

Roberto Juan Reid

IT UA
7 records

MAS 880 SU

Active

Helianthus annuus L. · Sunflower

Joel Meunier

RO UA
6 records

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