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Characteristics and Herbicidal Control of Flat Pea

Published online by Cambridge University Press:  12 June 2017

W. C. Robocker  and
Harold D. Kerr
W. C. Robocker
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Washington State University, Pullman, Washington, and Beltsville, Maryland
Harold D. Kerr
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Washington State University, Pullman, Washington, and Beltsville, Maryland
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Abstract

Flat pea (Lathyrus sylvestris L.), previously investigated as a forage plant in the United States, is a perennial legume with undesirable qualities of low palatability, difficulty of establishment, and a toxic principle. Characteristically aggressive and tolerant to a wide range of growth conditions, it is a potentially serious weed in its area of adaptation. A related species, everlasting pea (L. latifolius L.), has similar characteristics. A 2-lb/A rate of 2,4-dichlorophenoxyacetic acid (2,4-D), 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), 2-(2,4,5-trichlorophenoxy)propionic acid (silvex), or 2,3,6-trichlorobenzoic acid (2,3,6-TBA) followed by 2-lb/A of silvex a year later gave complete control of established plants and seedlings of flat pea.

Type
Research Article
Information
Weeds , Volume 12 , Issue 1 , January 1964 , pp. 40 - 42
Copyright
Copyright © 1964 Weed Science Society of America 

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References

Literature Cited

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