Event Name: GA21
Event Code : MON-ØØØ21-9
Trade Name: Roundup Ready™ Maize, Agrisure™GT
Crop: Zea mays L. - Maize, Corn
Developer: Monsanto Company (including fully and partly owned companies)
Method of Trait Introduction: Microparticle bombardment of plant cells or tissue
GM Trait: Glyphosate herbicide tolerance
Commercial Trait: (Singular) Herbicide Tolerance (HT)
Basic Genetic Modification
| Gene Introduced | Gene Source | Product | Function |
| mepsps | Zea mays | modified 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) enzyme | confers tolerance to glyphosate herbicides |
Regulatory Approvals: Country, Year and Type of Approval
| Country | Food direct use or processing |
Feed direct use or processing |
Cultivation domestic or non-domestic use |
| Argentina | |||
| Australia | |||
| Brazil | |||
| Canada | |||
| China | |||
| Colombia | |||
| European Union | |||
| Indonesia | |||
| Iran | |||
| Japan | |||
| Malaysia | |||
| Mexico | |||
| New Zealand | |||
| Paraguay | |||
| Philippines | |||
| Russia | |||
| Singapore | |||
| South Africa | |||
| South Korea | |||
| Taiwan | |||
| Thailand | |||
| Turkey | |||
| United States | |||
| Uruguay | |||
| Vietnam |
* point mouse arrow over year for notes
Last updated: October 24, 2023
Documents and Links
Event Description
Regulatory and Biosafety Information
- Agri-Food and Veterinary Authority of Singapore
- Brazil CTNBio
- Bureau of Plant Industry - Philippines
- Canadian Food Inspection Agency
- European Commission
- European Food Safety Authority
- Food Standards Australia New Zealand
- Japan Biosafety Clearing House
- Malaysia Biosafety Clearing House
- Singapore Food Agency
- US Department of Agriculture - APHIS
- US Food and Drug Administration
- USDA-FAS GAIN Report - China 2018
Detection Methods
The GM Approval Database, or GMAD, is one of ISAAA’s unique features that compiles all the available information about biotech/GM crops that have been approved for planting and importation for food and feed, and commercialization. ISAAA sources out the information from publicly available decision documents per country, Biosafety Clearing Houses and peer-reviewed scholarly articles to maintain the credibility of the database. Your contribution can help expand and maintain the GMAD and make useful information more available to researchers, students, and the general public. You can help by donating as little as $10.