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.
Phaseolus vulgaris L. · Common bean
SAATZUCHT QUEDLINBURG GMBH
Allium porrum L. · Leek
Graines Gautier SA (FR)
Triticum aestivum L. · Bread wheat
SELGEN A.S
Allium porrum L. · Leek
BEJO ZADEN
Raphanus sativus L. var. sativus · Radish
Hazera Seeds B.V.
Helianthus annuus L. · Sunflower
Pioneer Hi-Bred International Inc (US)
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Raphanus sativus L. var. sativus · Radish
Hazera Seeds B.V.
Triticum aestivum L. · Bread wheat
Secobra Saatzucht
Triticum aestivum L. · Bread wheat
Saatzucht Engelen-Büchlign e.K.
Chrysanthemum L. · Chrysanthemum
SPARKES ALEC GRAHAM
Lolium perenne L. · Perennial ryegrass
PENDING
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Zea mays L. · Maize
Rustica Prograin Genetique
Zea mays L. · Maize
Szundy Tamas, Geza Hadi, Csaba L. Marton,
Hordeum vulgare L. · Barley
Syngenta Participations AG
Lolium multiflorum Lam. · Italian ryegrass
FORSCHUNGSANSTALT AGROSCOPE RECKENHOLZ
Triticum durum Desf. · Durum wheat
Groupement Agricole Essonnois (FR)
Avena sativa L. · Oat
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass
ILVO-PLANT 39
Festuca arundinacea Schreb. · Tall fescue
University of Missouri
Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass
RAGT 2N S.A.S
Hordeum vulgare L. · Barley
SEMILLAS BATLLE, S.A.
Hordeum vulgare L. · Barley
Abed Founden