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.
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE and CO KGAA
Triticum aestivum L. · Bread wheat
Biogranum d.o.o. (RS)
Lolium multiflorum Lam. · Italian ryegrass
PHP PETERSEN
Triticum durum Desf. · Durum wheat
Eurodur S.A.
Lolium multiflorum Lam. · Italian ryegrass
João António da Costa Faria Medeiros Pereira
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Triticum aestivum L. · Bread wheat
SEMILLAS BATLLE S.A.
Phaseolus vulgaris L. · Common bean
WAVEREN| van Waveren Saaten GmbH
Medicago sativa L. · Alfalfa
SEMILLAS BATLLE, S.A.
Triticum durum Desf. · Durum wheat
Monsanto Agricultura España S.L.U.
Triticum aestivum L. · Bread wheat
SECOBRA RECHERCHES S.A.S
Triticum aestivum L. · Bread wheat
Todor Gubatov
Lolium x hybridum Hausskn. · Hybrid ryegrass
Llinos Jones c/o Welsh Plant Breeding Station
Hordeum vulgare L. · Barley
NORDSAAT SAATZUCHT
Triticum aestivum L. · Bread wheat
Florimond Desprez Veuve et Fils, FR
Lolium perenne L. · Perennial ryegrass
RAGT 2n, FR
x Triticosecale Wittm. ex A. Camus · Triticale
Stephanie Franck
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Abbott&Cobb, USA
Triticum aestivum L. · Bread wheat
LEMAIRE DEFFONTAINES SEMENCES
Triticum aestivum L. · Bread wheat
LIMAGRAIN EUROPE
Solanum tuberosum L. · Potato
Justus Böhm
Lolium multiflorum Lam. · Italian ryegrass
DLF Seeds A/S
Lolium perenne L. · Perennial ryegrass
Danko Hodowla Roslin Sp.z.o.o.
Helianthus annuus L. · Sunflower
DOW AgroSciences