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Wild Oat (Avena fatua) and Spring Barley (Hordeum vulgare) Interference in a Greenhouse Experiment

Published online by Cambridge University Press:  12 June 2017

Don W. Morishita ,
Donald C. Thill  and
John E. Hammel
Don W. Morishita
Affiliation:
Dep. Plant, Soil, Entomol. Sci., Univ. Idaho, Moscow, ID 83843
Donald C. Thill
Affiliation:
Dep. Plant, Soil, Entomol. Sci., Univ. Idaho, Moscow, ID 83843
John E. Hammel
Affiliation:
Dep. Plant, Soil, Entomol. Sci., Univ. Idaho, Moscow, ID 83843
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Abstract

Intraspecific and interspecific interference effects on growth, gas exchange, and water potential of wild oat and spring barley were measured under greenhouse conditions using a 1:1.06 barley to wild oat replacement series. Intraspecific barley interference affected barley growth more than interspecific wild oat interference. Interspecific wild oat interference with barley reduced wild oat growth more than intraspecific interference. Wild oat plant height surpassed barley plant height near barley anthesis. Growth and gas exchange of barley and wild oat responded the same to short-term water stress.

Keywords

Wild oat, Avena fatua L. # AVEFAspring barley, Hordeum vulgare L. ‘Advance’Replacement seriesinterferenceapparent photosynthesisstomatal diffusive resistancetranspirationgrowth analysisleaf water potentialwater stressAVEFA
Type
Weed Biology and Ecology
Information
Weed Science , Volume 39 , Issue 2 , June 1991 , pp. 149 - 153
Copyright
Copyright © 1991 Weed Science Society of America 

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