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Development and Control of Honeyvine Milkweed

Published online by Cambridge University Press:  12 June 2017

H. D. Coble  and
F. W. Slife
H. D. Coble
Affiliation:
Department of Agronomy, University of Illinois at Urbana-Champaign, Urbana, Illinois
F. W. Slife
Affiliation:
Department of Agronomy, University of Illinois at Urbana-Champaign, Urbana, Illinois
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Abstract

Seeds of honeyvine milkweed [Ampelamus albidus (Nutt.) Britt.] planted immediately after extraction from mature seed pods germinated 84% and after burial overwinter germinated 97%. Seedling emergence was limited to depths of less than 4 inches. Seedling roots developed adventitious buds capable of producing new shoots about 5 weeks after emergence. Preemergence and early postemergence treatments with 2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine (atrazine) gave 100% control of seedlings in greenhouse experiments. Heavy natural infestations of honeyvine milkweed in corn (Zea mays L.) were controlled 95% with 2,4-(dichlorophenoxy)acetic acid (2,4-D) at 0.5 lb/A when treatments were made before the weed started climbing on corn stalks. Later treatments required higher rates of 2,4-D, the use of 2,4,5-(trichlorophenoxy)acetic acid (2,4,5-T), or the combination of 2,4-D plus 2,4,5-T for adequate control.

Type
Research Article
Information
Weed Science , Volume 18 , Issue 3 , May 1970 , pp. 352 - 356
Copyright
Copyright © 1970 Weed Science Society of America 

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References

Literature Cited

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