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Variation Within Pure Lines of Wild Oats (Avena fatua) in Relation to Temperature of Development

Published online by Cambridge University Press:  12 June 2017

Stephen W. Adkins ,
Mary Loewen  and
Stephen J. Symons
Stephen W. Adkins
Affiliation:
Dep. Crop Sci. and Plant Ecol., Dep. Biol., Univ. Saskatchewan, Saskatoon, Sask., S7N OWO, Canada
Mary Loewen
Affiliation:
Dep. Crop Sci. and Plant Ecol., Dep. Biol., Univ. Saskatchewan, Saskatoon, Sask., S7N OWO, Canada
Stephen J. Symons
Affiliation:
Dep. Crop Sci. and Plant Ecol., Dep. Biol., Univ. Saskatchewan, Saskatoon, Sask., S7N OWO, Canada
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Abstract

Plants of dormant and nondormant wild oat (Avena fatua L. # AVEFA) lines were grown under temperatures of 15, 20, and 25 C. A number of physiological and morphological characters in the plants and seed of both lines were influenced by temperature. Duration of dormancy in the progeny seed increased in both lines that had experienced low temperatures (15 C) during development, and decreased in seed of both lines that had experienced high temperatures (25 C) during development. High, compared to low, temperatures of development decreased plant height, vegetative and seed development time, seed numbers per plant, seed dry weight, and seed water content.

Keywords

DormancygerminationgrowthAVEFA
Type
Weed Biology and Ecology
Information
Weed Science , Volume 35 , Issue 2 , March 1987 , pp. 169 - 172
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

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