HortScience (2000) 35, 1089-1091

Carl E. Bell, Brent E. Boutwell, Edmund J. Ogbuchiekwe and Milton E. McGiffen Jr. (2000)
Weed control in carrots: The efficacy and economic value of linuron
HortScience 35 (6), 1089-1091
Abstract: Application of linuron was compared with hand-weeding and a nontreated control (= control) for weed control in carrots. Linuron, applied pre- or postemergent, was slightly less effective than the 100% weed control obtained by hand-weeding. Carrot yields were similar for all treatments, and were at least six times as great as in the control. In 1996, linuron treatments returned net profits ranging from $980 to $1887 per ha, compared to $740 for hand-weeding and -$2975 for the control. In 1997, return on linuron treatments was greater, ranging from $5326 to $6426, compared with $2852 for hand-weeding. Marginal rates of return ranged from 21% to 86% in 1996. In 1997, rates of return for every dollar invested in linuron were over 59%. Chemical name used: N '-(3,4-dichlorophenyl)-N-methoxy-N-methylurea (linuron).
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)

Research topic(s) for pests/diseases/weeds:
control - general
damage/losses/economics

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Phalaris minor (weed)	Carrot (Daucus carota)
	Chenopodium murale (weed)	Carrot (Daucus carota)
	Malva parviflora (weed)	Carrot (Daucus carota)