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Diseases

Sunflower Powdery Mildew

Helianthus annuus L.

The disease is represented by true powdery mildew, caused by ascomycetes, and downy mildew (peronosporosis), the causal agent of which is the oomycete Plasmopara halstedii.

In the reference 68 varieties crop Sunflower, where this is mentioned in the description.

True powdery mildew of sunflower is caused by the fungi Erysiphe cichoracearum f. helianthi, Leveillula compositarum f. helianthi, and Sphaerotheca fuliginea. The disease manifests in the second half of the growing season as a white felty coating on the leaves or angular spots, and the formation of cleistothecia is possible at the end of the season.

Downy mildew is caused by the obligate parasite Plasmopara halstedii, which infects plants at early stages, leading to stunting, leaf crinkling, and a characteristic coating on the underside of the leaves. The pathogen population is highly variable and includes a number of races, such as 330, 334, 710, and 730.

To control downy mildew, genetic resistance determined by the Pl series genes (e.g., Pl6, Pl8, Plarg) is used. Identification of pathogen races is carried out using an international set of differential lines, which allows for the breeding of hybrids resistant to a complex of pathotypes.

General information about the subject — on the page Powdery mildew.

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.

MAS 97 A

Active

Helianthus annuus L. · Sunflower

Oliv"ie Ladsus

BG ES FR HR HU IT +1
19 records

MAS 89M

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

FR IT RO UA
12 records

MAS 87 IR

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

ES IT RO UA
11 records

Paraiso 102 CL

Active

Helianthus annuus L. · Sunflower

Saaten Union Romania, RO

RO
12 records

MAS 96 P

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

BG ES IT UA
8 records

MAS 95 IR

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

IT RO UA
7 records

MAS 92 B

Terminated

Helianthus annuus L. · Sunflower

MAS SEEDS

AT ES FR HR IT
9 records

MAS 81 C

Active

Helianthus annuus L. · Sunflower

Zhoel` Meun`er

BG ES UA
7 records

MAS 93 CP

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

IT UA
6 records

MAS 96OL

Terminated

Helianthus annuus L. · Sunflower

MAS SEEDS

FR IT UA
6 records

Nutrisun S 06

Active

Helianthus annuus L. · Sunflower

Roberto Juan Reid

IT UA
7 records

Solarni CS

Active

Helianthus annuus L. · Sunflower

Rene Baratin

FR IT SK UA
9 records

KWS Amores CL

Active

Helianthus annuus L. · Sunflower

KWS, D

IT RO SK UA
11 records

Sunflora CL

Active

Helianthus annuus L. · Sunflower

Saaten Union Romania, RO

RO UA
9 records

Lucia CL Plus

Protection expired

Helianthus annuus L. · Sunflower

Nidera S.A.

AT RO UA
6 records

Neta SU

Active

Helianthus annuus L. · Sunflower

Saaten Union Romania, RO

RO UA
7 records

Driver CL

Active

Helianthus annuus L. · Sunflower

Pablo Bergada

RO UA
7 records

Alexa SU

Active

Helianthus annuus L. · Sunflower

Saaten Union, RO

RO UA
8 records

Santos

Active

Helianthus annuus L. · Sunflower

NOVARTIS SEEDS

ES FR IT UA
7 records

ES Hudson SU

Active

Helianthus annuus L. · Sunflower

Euralis Semences

IT SK UA
6 records

RGT Tallisman

Active

Helianthus annuus L. · Sunflower

RAGT 2N S.A.S

IT UA
6 records

Hysun 162 IT

Active

Helianthus annuus L. · Sunflower

PHILIPPE JOUVE

PT SK UA
6 records

N4hm340

Active

Helianthus annuus L. · Sunflower

NUSEED EUROPE

IT SK
5 records