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Selective Chemical Control of Cocklebur in Cottonseed

Published online by Cambridge University Press:  12 June 2017

James E. Smith  and
A. W. Cole
James E. Smith
Affiliation:
Dep. of Plant Path, and Weed Sci., Mississippi State Univ., State College, Mississippi
A. W. Cole
Affiliation:
Dep. of Plant Path, and Weed Sci., Mississippi State Univ., State College, Mississippi
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Abstract

Several chemicals were evaluated for their potential use in selectively killing cocklebur (Xanthium pensylvanicum Wallr.) seed in cocklebur-cottonseed (Gossypium hirsutum L.) mixtures. Reduction in cocklebur embryo viability from 64 to 100%, without injury to cottonseed, resulted from soaking seed in: (a) 20% ethyl or methyl acetate and 80% water for 3 to 15 min; (b) 35% methanol, 15% glacial acetic acid, and 50% water for 3 to 15 min; or (c) 50% methanol or ethanol, 20% glacial acetic acid, and 30% water for 15 to 30 sec. Evaluations of injury were based on tetrazolium tests, standard germination, germination in soil, and seedling dry weight.

Type
Research Article
Information
Weed Science , Volume 19 , Issue 4 , July 1971 , pp. 346 - 349
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

1. Arthur, J. C. 1895. Delayed germination of the cocklebur and other paired seed. Soc. Prom. Agr. Sci. Proc. 16:70–79.Google Scholar
2. Delouche, James C., Still, Wayne, Raspet, Mabel, and Lienhard, Myrta. 1962. The tetrazolium test for seed viability. Mississippi Agr. Exp. Sta. Tech. Bull. 51. 63 p.Google Scholar
3. Shull, C. A. 1913. Semi-permeability of the seed coat. Bot. Gaz. 56:169.Google Scholar