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Silverleaf Nightshade (Solanum elaeagnifolium) Control with Foliar Herbicides

Published online by Cambridge University Press:  12 June 2017

Ilias G. Eleftherohorinos
Laboratory of Agronomy, Univ. Thessaloniki, Thessaloniki, Greece
Carl E. Bell
Univ. California Coop. Ext., Holtville, CA 92250
Eleni Kotoula-Syka
Plant Protection Institute, Thessaloniki, Greece


Four experiments (three in Macedonia, Greece and one in Holtville, CA) were conducted in 1988 and 1989 to evaluate foliar applications of picloram, glyphosate alone and with adjuvant, and triclopyr for the control of established silverleaf nightshade. Silverleaf nightshade control was determined by comparing stem population at the time of herbicide application to stem population 6 to 11 mo after application. Picloram, averaged over rate and location, controlled silverleaf nightshade consistently, restricting regrowth to less than 5%. Silverleaf nightshade control with glyphosate alone or with adjuvant varied with location, regrowth ranged from 0 to 69%. Regrowth of silverleaf nightshade treated with triclopyr approached that of the untreated control.

Copyright © 1994 by the Weed Science Society of America 

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