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Effects of 2,3,6–Trichlorobenzoic Acid and Cultural Treatments on Survival of Dalmatian Toadflax and Establishment of Siberian Wheatgrass

Published online by Cambridge University Press:  12 June 2017

W. C. Robocker ,
Dillard H. Gates  and
Harold D. Kerr
W. C. Robocker
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Pullman, Washington
Dillard H. Gates
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Pullman, Washington
Harold D. Kerr
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Pullman, Washington
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Extract

Dalmatian toadflax (Linaria dalmatica (L.) Mill.), a native of southeast Europe, has acquired a firm position in some plant communities in northeastern Washington. The first herbarium specimen for Washington State University was collected in 1926 on the Little Spokane River near the city of Spokane. Since that time, it has invaded a considerable area of northeastern Washington, and scattered patches appear over much of the eastern half of the State. In 1954 the estimated acreage was 30,000. Dalmatian toadflax has now spread into Idaho, western Montana, and Oregon. It also occurs in the prairie provinces and inter-mountain regions of Canada and has been reported near Flagstaff, Arizona.

Type
Research Article
Information
Weeds , Volume 9 , Issue 4 , October 1961 , pp. 620 - 625
Copyright
Copyright © 1961 Weed Science Society of America 

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References

Literature Cited

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