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The Potential of Sulfosulfuron to Control Troublesome Weeds in Tomato

Published online by Cambridge University Press:  20 January 2017

Hanan Eizenberg ,
Yaakov Goldwasser ,
Gai Achdary  and
Joseph Hershenhorn
Hanan Eizenberg
Affiliation:
Department of Weed Research, Agricultural Research Organization, Newe Ya'ar Research Center, P.O. Box 1021, Ramat Yishay, Israel
Yaakov Goldwasser
Affiliation:
Department of Weed Research, Agricultural Research Organization, Newe Ya'ar Research Center, P.O. Box 1021, Ramat Yishay, Israel
Gai Achdary
Affiliation:
Department of Weed Research, Agricultural Research Organization, Newe Ya'ar Research Center, P.O. Box 1021, Ramat Yishay, Israel
Joseph Hershenhorn
Affiliation:
Department of Weed Research, Agricultural Research Organization, Newe Ya'ar Research Center, P.O. Box 1021, Ramat Yishay, Israel
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Abstract

There are few efficient and cost-effective methods for controlling weeds in processing tomatoes. Sulfosulfuron is a sulfonylurea herbicide developed for controlling weeds in wheat. In previous studies, we have demonstrated the efficacy of sulfosulfuron in selectively controlling Orobanche aegyptiaca in tomato. The objective of the present study was to elucidate the potential of sulfosulfuron to selectively control troublesome, nonparasitic weeds in tomato. In the greenhouse, sulfosulfuron efficacy at 37.5, 75.0, and 112.5 g ai/ha applied preplant incorporated (PPI), preemergence (PRE), and postemergence (POST) was tested. Sulfosulfuron when applied PPI and POST was highly selective in controlling weeds without causing injury to tomato. The weeds that were efficiently controlled, even at low rates of application, included purple nutsedge, black nightshade, mustard, pigweed, and bindweed. PRE application resulted in the most efficient weed control but was phytotoxic to tomato at high rates.

Keywords

Sulfosulfuronblack nightshade, Solanum nigrum L. #3 SOLNIfield bindweed, Convolvulus arvensis L., # CONARpurple nutsedge, Cyperus rotundus L. # CYPROredroot pigweed, Amaranthus retroflexus L. # AMAREtomato, Lycopersicon esculentum Mill. # LYPESwheat, Triticum aestivum L.wild mustard, Sinapis arvensis L. # SINARAcetolactate synthase inhibitorssulfonylurea herbicidesweed managementALS, acetolactate synthaseDAA, days after applicationDAP, days after plantingPOST, postemergencePPI, preplant incorporatedPRE, preemergence
Type
Research
Information
Weed Technology , Volume 17 , Issue 1 , March 2003 , pp. 133 - 137
Copyright
Copyright © Weed Science Society of America 

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