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Diseases

Rust of Italian Ryegrass

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart

The main types of rust affecting Italian ryegrass are crown rust, caused by Puccinia coronata, and stem rust, caused by Puccinia graminis ssp. graminicola. These diseases significantly reduce forage yield and seed quality.

In the reference 70 varieties crop Italian ryegrass, where this is mentioned in the description.

Crown rust manifests primarily on leaf blades and is one of the most damaging foliar diseases of Italian ryegrass. Stem rust affects leaf sheaths, stems, and spikes, including glumes and the rachis, which is particularly critical for seed crops.

Genetic control of resistance to both rust types is based on quantitative trait loci (QTL). Breeding research involves the introgression of resistance genes from other species, such as meadow fescue; however, in variety descriptions, resistance is more often indicated by a general rating on a scale of 1 to 9.

General information about the subject — on the page Rust.

Sources8

Varieties of Italian ryegrass 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.

Agraco 811

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

AGRAR SEMILLAS, S.A.

ES
2 records

Cusmi

Withdrawn

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

Semences De France (FR)

CZ FR
2 records

Rosmaro

Terminated

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ EE
3 records

Thunder

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
2 records

Numida

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

2 records

Song

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
2 records

Nana

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
2 records

Protektor

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
3 records

Kenobyl

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
2 records

Camomyl

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
2 records

Adhyl

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
2 records

Kigezi 1

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

DK
2 records

Tympan

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

CZ
3 records

Toto

Withdrawn

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

Deutsche Saatveredelung AG - DSV (DE)

FR
1 record

GRASSLANDS TAMA

Terminated

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

GRASSLANDS DIVISION

ES
1 record

Beltoise

Application submitted

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

DLF Seeds A-S, DK

HR
1 record

Bormitra

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

1 record

ANGUS

Withdrawn

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

DK
1 record

Baukis

Terminated

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

1 record

POLLANUM

Terminated

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

HR
1 record