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Allelopathic Potential of Wheat (Triticum aestivum) Straw on Selected Weed Species

Published online by Cambridge University Press:  12 June 2017

James W. Steinsiek ,
Lawrence R. Oliver  and
Fred C. Collins
James W. Steinsiek
Affiliation:
Dep. Agron., Univ. of Arkansas, Fayetteville, AR 72701
Lawrence R. Oliver
Affiliation:
Dep. Agron., Univ. of Arkansas, Fayetteville, AR 72701
Fred C. Collins
Affiliation:
Dep. Agron., Univ. of Arkansas, Fayetteville, AR 72701
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Abstract

The allelopathic potential of wheat [Triticum aestivum (L.) ‘Doublecrop′] straw residue was evaluated on weed-seed germination and seedling growth. The inhibition of weed-seed germination and seedling growth was extract-, species-, and temperature-dependent. The extracts prepared by agitating and soaking caused greater inhibition than those obtained by leaching. The descending order of species susceptibility was ivyleaf morningglory [Ipomoea hederacea (L.) Jacq.], velvetleaf (Abutilon theophrasti Medic.), pitted morningglory (Ipomoea lacunosa L.), hemp sesbania [Sesbania exaltata (Raf.) Cory], sicklepod (Cassia obtusifolia L.), and Japanese barnyard millet [Echinochloa crus-galli var. frumetaceae (Roxb.) Link]. Incubation at 35 C caused the greatest inhibition of germination and growth.

Keywords

Seed germinationgermination temperaturephytotoxicityseedling growth
Type
Research Article
Information
Weed Science , Volume 30 , Issue 5 , September 1982 , pp. 495 - 497
Copyright
Copyright © 1982 by the Weed Science Society of America 

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References

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