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THE INCIDENCE OF CERTAIN SEED‐BORNE DISEASES IN COMMERCIAL SEED SAMPLES
Author(s) -
MARSHALL GILLIAN M.
Publication year - 1960
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1960.tb03499.x
Subject(s) - biology , claviceps purpurea , contamination , agronomy , relative humidity , poaceae , botany , ecology , physics , thermodynamics
The incidence of ergot, Claviceps purpurea (Fr.) Tul., in commercial cereal seed samples submitted to the Official Seed Testing Station from 1918 to 1957 has been examined. Rye samples were more frequently contaminated than wheat or barley and no cereal ergots were recorded in oats. A relatively high proportion of ergot‐contaminated rye samples occurred every 8–10 years. This appeared to be associated with high relative humidity and low maximum temperature during June. Similar trends were found for wheat and barley. No varietal differences in susceptibility to ergot contamination were found for rye or barley, but there was some evidence that spring wheat varieties were more frequently contaminated than winter ones.