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Longevity of Yellow Starthistle (Centaurea solstitialis) Achenes in Soil

Published online by Cambridge University Press:  12 June 2017

Robert H. Callihan ,
Timothy S. Prather  and
Francis E. Northam
Robert H. Callihan
Affiliation:
Dep. Plant, Soils and Entomol. Sci., Univ. Id., Moscow, ID 83843
Timothy S. Prather
Affiliation:
Dep. Plant, Soils and Entomol. Sci., Univ. Id., Moscow, ID 83843
Francis E. Northam
Affiliation:
Dep. Plant, Soils and Entomol. Sci., Univ. Id., Moscow, ID 83843
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Abstract

Yellow starthistle achenes were placed in 80-mesh nylon packets, buried in the field at depths of 2.5, 5, and 15 cm, and retrieved over 10 yr. No effects of burial depth on longevity were detected. Viability decreased faster for plumeless achenes than for plumed achenes. Average longevity of plumeless and plumed achenes was 6 and 10 yr, respectively.

Keywords

Yellow starthistle, Centaurea solstitialis L. # CENSOSeed burialseed viabilitydimorphic achenegermination
Type
Research
Information
Weed Technology , Volume 7 , Issue 1 , March 1993 , pp. 33 - 35
Copyright
Copyright © 1993 by the Weed Science Society of America 

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