Diseases
Pucciniales
Rust is a group of dangerous fungal diseases manifesting as pustules on plant organs. The disease significantly reduces yield by disrupting photosynthesis and increasing transpiration.
Mentioned in descriptions 14 859 varieties reference book.
Rust is a collective name for a group of fungal diseases whose pathogens belong to the order Pucciniales. Outwardly, the disease manifests as the formation of pustules on leaves, stems, and other parts of plants—cushions of orange, brown, or black color containing pathogen spores.
Active development of the disease depends on weather conditions, primarily high humidity in the form of dew, fog, or precipitation, and specific temperature ranges unique to each rust species. Additional risk factors include crop density, the presence of plant residues, and the proximity of alternate hosts necessary for the development of certain fungal species.
The evaluation of cultivar resistance in variety trials is carried out under natural or artificial infectious backgrounds during the milk stage by recording the percentage of infection on the flag leaf surface. Based on the data obtained, accessions are classified as immune, resistant, or susceptible, and molecular analysis methods are used to identify resistance genes, such as Lr34.
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.
Helianthus annuus L. · Sunflower
Lidea France SAS, F
Hordeum vulgare L. · Barley
W. von Borries-Eckendorf GmbH & Co.KG
Hordeum vulgare L. · Barley
SECOBRA RECHERCHES S.A.S
Festuca rubra L. · Red fescue
Blue Moon Farm
Helianthus annuus L. · Sunflower
ZOLOTAREV KONSTANTIN MITROFANOVICh / YaKOVENKO ANATOLIJ ALEKSANDROVICh
Triticum durum Desf. · Durum wheat
Eurodur S.A.
Vicia faba L. · Broad bean
Saatzucht Gleisdorf
Lolium multiflorum Lam. · Italian ryegrass
ROBERTO GUARNIERI
Lolium perenne L. · Perennial ryegrass
Euro Grass Breeding GmbH Co. KG
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
MoravoSeed, CZ
Lolium perenne L. · Perennial ryegrass
DEUTSCHE SAATVEREDELUNG AG
Triticum aestivum L. · Bread wheat
SAATEN UNION RECHERCHE
Triticum aestivum L. · Bread wheat
SELGEN A.S
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
HM Clause, USA
Lolium perenne L. · Perennial ryegrass
WEISHUT| G. Weishut C.V.
Hordeum vulgare L. · Barley
SARL ADRIEN MOMONT ET FILS, FR
Triticum aestivum L. · Bread wheat
Sejet Planteforaedling I,S
Festuca arundinacea Schreb. · Tall fescue
TURF MERCHANTS
Phaseolus vulgaris L. · Common bean
GEBR
Hordeum vulgare L. · Barley
SECOBRA RECHERCHES S.A.S
Triticum durum Desf. · Durum wheat
Südwestdeutsche Saatzucht GmbH&Co.KG
Lolium perenne L. · Perennial ryegrass
DLF Seeds A/S
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Lolium multiflorum Lam. · Italian ryegrass
PEDERSEN CHR.| Chr. Pedersen c/o Zuchtstation Daehnfeldt / ANDERSEN JOERN| Joern Skov Andersen c/o Prodana Seeds A/S