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The Effects of 2,4–D and 2,4,5–T Applications on the Stand Density of Canada Thistle (Cirsium arvense Scop.)

Published online by Cambridge University Press:  12 June 2017

Lowell W. Rasmussen
Lowell W. Rasmussen*
Affiliation:
Agr. Exp. Sta. formerly Agronomist (Weed Research)
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Extract

Canada thistle has been considered a serious weed to agriculture in the northern parts of this country since its introduction. The plant characteristics and growth habits are described by Detmers (3) and Rogers (5) who also point out the seriousness of this weed to agriculture.

Type
Research Article
Information
Weeds , Volume 4 , Issue 4 , October 1956 , pp. 343 - 348
Copyright
Copyright © 1956 Weed Science Society of America 

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References

Literature Cited

1. Aslander, Alfred. Experiments on the eradication of Canada thistle with chlorates and other herbicides. Journal Agr. Res. 36:915–934. 1928.Google Scholar
2. Cox, H. R. Controlling Canada thistle. U. S. Dept. of Agr. Farmers' Bul. 545. 1913.Google Scholar
3. Detmers, Freda. Canada thistle (Cirsium arvense). Ohio Agr. Exp. Sta. Bul. 414. 1927.Google Scholar
4. Robbins, W. W., Crafts, A. S., Raynor, R. N. Weed control. First edition 1942. McGraw-Hill Book Co., Inc., New York, N. Y. Google Scholar
5. Rogers, C. Canada thistle and russian knapweed and their control. Colorado Agr. Exp. Sta. Bul. 348. 1928.Google Scholar
6. Tingey, D. C. The comparative cost and effectiveness of tillage and of chlorates in the control of morning glory, Canada thistle, and perennial sow thistle. Jour. Am. Soc. of Agron. 26:864–876. 1934.Google Scholar