Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Roundup - - a new perennial weed killer

Authors

A. Lange
H. Kempen
W. McHenry
O. Leonard

Authors Affiliations

A. Lange is Extension Weed Control Specialist, San Joaquin Valley Agricultural Research and Extension Center; H. Kempen is Farm Advisor, Kern County; W. McHenry is Extension Weed Control Specialist, Department of Agricultural Botany, University of California, Davis; O. Leonard is Lecturer and Botanist, Department of Agricultural Botany, University of California, Davis.

Publication Information

Hilgardia 27(2):6-7. DOI:10.3733/ca.v027n02p6. February 1973.

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Abstract

Perennial weeds are an increasingly important problem in California. This may be due in part to the increased use of preemergence herbicides which reduce the competition to perennial weeds from the normally more prevalent, faster growing, annual weed species. In the process we have increased the relative influence of perennial weeds. Perennial weeds are usually deep rooted; and most often regenerate themselves by growing from underground rootstocks (rhizomes and stolons). Preemergence weed killers are usually ineffective against such large underground storage organs because they are designed to kill only newly germinating weed seedlings close to the surface of the soil.

Lange A, Kempen H, McHenry W, Leonard O. 1973. Roundup - - a new perennial weed killer. Hilgardia 27(2):6-7. DOI:10.3733/ca.v027n02p6
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