Diseases

Ergot of rye

Secale cereale L.

A fungal disease of rye caused by Claviceps purpurea, characterized by the replacement of grain in the ear with hard sclerotia. The infection manifests during flowering as the secretion of a sweet exudate, followed by the formation of dark ergot bodies protruding from the glumes.

In the reference 97 varieties crop Rye, where this is mentioned in the description.

The pathogen is the fungus Claviceps purpurea, which has an ascomycete stage of development and a conidial stage known as Sphacelia segetum. During the flowering period, a sticky liquid containing conidia is secreted from the infected florets, facilitating the further spread of the pathogen by insects.

Instead of normal grain, large, dark purple or black sclerotia form in the rye ear, which can reach 3–5 cm in length. The affected parts of the ear become sterile. Resistance genes to this disease in rye have not yet been identified, and breeding efforts are focused on reducing susceptibility and the accumulation of ergot alkaloids.

General information about the subject — on the page Ergot.

Sources8

Varieties of Rye 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.

Joniai

Active

Secale cereale L. · Rye

Lietuvos agrarinių ir miškų mokslų centras

4 records

Horyzo

Active

Secale cereale L. · Rye

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

4 records

Gambit

Terminated

Secale cereale L. · Rye

HYBRO SAATZUCHT| Hybro Saatzucht GmbH & Co. KG

4 records

Dańkowskie Alvaro

Active

Secale cereale L. · Rye

Danko Hodowla Roslin Sp.z.o.o.

5 records

Dańkowskie Kalcyt

Active

Secale cereale L. · Rye

Danko Hodowla Roslin Sp.z.o.o.

8 records

Canovus

Terminated

Secale cereale L. · Rye

Erich Knopf

4 records

Borellus

Terminated

Secale cereale L. · Rye

SCHMIECHEN| Dipl.Lw.Ulrich Schmiechen in Fa.Saatzucht Steinach GmbH & Co KG - Zuchtstation Bornhof - / HAAG| Franz Haag / MOELLER CHRISTA| Christa Moeller

4 records

Virgiai

Active

Secale cereale L. · Rye

Lietuvos agrarinių ir miškų mokslų centras

4 records

Peros

Protection expired

Secale cereale L. · Rye

KOECHLING| Dr. J. Koechling in Fa. Saatzucht Petkus GmbH / ERFURTH LUTZ| Lutz Erfurth in Fa. Saatzucht Petkus GmbH / SCHULZ R.| R. Schulz in Fa. Saatzucht Petkus GmbH

DE DK

4 records