research article
New selective herbicide tested: CDEC applied in pre-emergence treatment of seeded lettuce shows promise for selective weed control without crop injury
authors
C. D. McCarty, University of California
D. C. Purnell, University of California
M. J. Garber, University of California
publication information
California Agriculture 12(10):8-15. DOI: 10.3733/ca.v012n10p8.
author affiliations
C. D. McCarty is Extension Field Technologist, University of California, Riverside. D. C. Purnell is Farm Advisor, San Bernardino County, University of California. M. J. Garber is Assistant Biometrician, University of California, Riverside.
abstract
Abstract Not Available – First paragraph follows:
Precision cultivation and hand hoeing—the methods now used for weed control in lettuce production—become difficult where weed growth is thick and rapid. The lettuce may be overgrown to the point where cultivation is difficult and the lettuce suffers heavily from weed competition.
author notes
The Fujiwara Brothers, ranchers in the Chino area, cooperated in the experiment with CDEC.
The above progress report is based on Agricultural Extension Service Project No. 4188.
H. F. Arle, Field Crops Research Branch, USDA, Phoenix, Arizona, and W. D. Pew, Arizona Agricultural Experiment Station, reported the experiments conducted in Arizona.
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