The information in this profile may be out-of-date. It was last revised in 1996. EXTOXNET no longer updates this information, but it may be useful as a reference or resource.

Please visit the National Pesticide Information Center (NPIC) to find updated pesticide fact sheets. If you don't find a fact sheet related to your question, feel free to call 1-800-858-7378. NPIC is open five days a week from 8:00am to 12:00pm Pacific Time.





E X T O X N E T

Extension Toxicology Network

Pesticide Information Profiles

A Pesticide Information Project of Cooperative Extension Offices of Cornell University, Oregon State University, the University of Idaho, and the University of California at Davis and the Institute for Environmental Toxicology, Michigan State University. Major support and funding was provided by the USDA/Extension Service/National Agricultural Pesticide Impact Assessment Program.

EXTOXNET primary files maintained and archived at Oregon State University

Revised 9/95.


AMETRYN


TRADE OR OTHER NAMES: Product names include Evik, Ametryne, Ametrex, Gesapax (48), G34162, Trinatox-D (a combination with 2,4-D), Crisazina-Crisatrina Kombi (a combination with atrazine)(49), Doruplant, Mebatryne, and Amephyt (50).

REGULATORY STATUS: Ametryn is an unrestricted or General Use Pesticide (GUP). In Florida and Texas, ametryn may be applied alone on grapefruit and orange trees. In Florida, it may be applied with simazine for common bermuda grass and annual grasses and broadleaf weeds. In Hawaii, a mixture with diuron may be used on sugarcane (51).

INTRODUCTION: Ametryn, a member of the Triazine chemical family, is a herbicide which inhibits photosynthesis and other enzymatic processes. It is used to control broadleaf weeds and annual grasses in pineapple, sugarcane and bananas. It is used on corn and potato crops for general weed control (48). It is also used as a vine desiccant on dry beans and potatoes (50). Ametryn is available as an emulsifiable concentrate, flowable wettable powder and a wettable powder. Products containing ametryn should bear the SIGNAL WORD: CAUTION. The EPA classifies it as Toxicity Class III, slightly toxic (49).

TOXICOLOGICAL EFFECTS

ECOLOGICAL EFFECTS

ENVIRONMENTAL FATE

PHYSICAL PROPERTIES AND GUIDELINES:

Physical Properties:

Exposure Guidelines:

BASIC MANUFACTURER:

CIBA
Agricultural Division
P.O. Box 18300
Greensboro, NC 27419-8300
Telephone: 919-632-6000

REFERENCES

References for the information in this PIP can be found in Reference List Number 8


DISCLAIMER: The information in this profile does not in any way replace or supersede the information on the pesticide product label/ing or other regulatory requirements. Please refer to the pesticide product label/ing.