Yellow starthistle infestations are on the increase

Maddox, D; Mayfield, A

Yellow starthistle infestations are on the increase

Authors

Donald M. Maddox, U.S. Department of Agriculture, Biological Control of Weeds Laboratory and Agricultural Experiment Station, University of California

Aubrey Mayfield, U.S. Department of Agriculture, Biological Control of Weeds Laboratory

Publication Information

California Agriculture 39(11):10-12.

Published November 01, 1985

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Summary

This thorny pest has spread from an estimated 1.2 million acres in 1958 to 7.9 million in 1985, much of it in northern California.

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Author notes

The authors thank the county agricultural commissioners and their staffs and the U.C. Cooperative Extension farm advisors for their cooperation. The authors also wish to thank Noah Poritz and Jerry Johnson for their assistance.

Yellow starthistle infestations are on the increase

Donald M. Maddox, Aubrey Mayfield